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arxiv: 2606.00787 · v1 · pith:EOR3YRKJnew · submitted 2026-05-30 · 🌌 astro-ph.EP · astro-ph.SR

The Pan-Pacific Planet Search -- IX. A menagerie of companions orbiting evolved stars

Robert A. Wittenmyer , Alexander Venner , Tyler Fairnington , George Zhou , Duncan J. Wright , Evan Curtin , Timothy R. Bedding , Courtney L. Crawford
show 17 more authors
Yaguang Li Dennis Stello Marc Hon Daniel Huber Frank Grundahl M. Skakke Fredslund Pere L. Palle Tianjun Gan Jonathan Horner John Kielkopf Stephen R. Kane Peter Plavchan Avi Shporer C.G. Tinney Hui Zhang Matthew W. Mengel Jack Okumura
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Pith reviewed 2026-06-28 18:03 UTC · model grok-4.3

classification 🌌 astro-ph.EP astro-ph.SR
keywords exoplanetsbrown dwarfsradial velocityastrometryevolved starsTESScompanions
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The pith

New radial-velocity, TESS, and Hipparcos-Gaia data classify six speculative companions around evolved stars as a planet, a brown dwarf, two low-mass stars, or none.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper incorporates fresh radial-velocity observations, TESS asteroseismology, and Hipparcos-Gaia astrometry to settle the identities of six candidate companions first flagged in an earlier radial-velocity survey of 164 evolved stars. This multi-technique approach distinguishes a giant planet from a brown dwarf and from stellar companions while also showing that two targets host no detectable bodies. A sympathetic reader cares because radial-velocity data alone often leave mass and period ambiguities that blur the boundary between planets and more massive objects, and the added constraints remove those ambiguities for systems around evolved stars.

Core claim

We confirm that HD 126105b is a giant planet (P=524.0±2.9 d, m sin i=1.67+0.19−0.17 M_Jup), and that HD 205577B is a massive, eccentric brown dwarf (P∼11.2 yr, m=77+11−9 M_Jup, e=0.68). HD 115066B and HD 121156B are low-mass stellar companions, while HD 114899 and HD 159743 are shown to be unadorned by any detectable companions whatsoever. This demonstrates the utility of astrometric information to help overcome the temporal limitations of incomplete radial-velocity data sets and elucidate the true nature of suspected companion bodies.

What carries the argument

Combination of new radial-velocity observations with TESS asteroseismology for stellar parameters and Hipparcos-Gaia astrometry to refine companion masses and orbits.

If this is right

  • HD 126105b meets the criteria for a giant planet with the stated period and minimum mass.
  • HD 205577B meets the criteria for a brown dwarf rather than a planet or star.
  • HD 115066B and HD 121156B are reclassified as low-mass stellar companions.
  • HD 114899 and HD 159743 show no evidence of any companion above the detection threshold.
  • Astrometric data can resolve mass ambiguities left by radial-velocity time series of limited duration.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The same combination of techniques could be applied to other radial-velocity surveys that stopped short of full orbital coverage.
  • Accurate classification of these objects may adjust occurrence-rate statistics for planets versus brown dwarfs around evolved stars.
  • Additional Gaia data releases could tighten the mass and eccentricity constraints further.

Load-bearing premise

The new radial-velocity observations, TESS asteroseismology, and Hipparcos-Gaia astrometry supply independent and accurate constraints that allow unambiguous classification without significant contamination from stellar activity or other effects.

What would settle it

Future observations that reveal a mismatch between the astrometric signals predicted by the radial-velocity orbits and the actual Hipparcos-Gaia proper-motion anomalies would invalidate the assigned companion types and masses.

Figures

Figures reproduced from arXiv: 2606.00787 by Alexander Venner, Avi Shporer, C.G. Tinney, Courtney L. Crawford, Daniel Huber, Dennis Stello, Duncan J. Wright, Evan Curtin, Frank Grundahl, George Zhou, Hui Zhang, Jack Okumura, John Kielkopf, Jonathan Horner, Marc Hon, Matthew W. Mengel, M. Skakke Fredslund, Pere L. Palle, Peter Plavchan, Robert A. Wittenmyer, Stephen R. Kane, Tianjun Gan, Timothy R. Bedding, Tyler Fairnington, Yaguang Li.

Figure 1
Figure 1. Figure 1: TESS light curve of HD 205577, showing the full light curve (top), Sector 1 (upper middle), Sector 28 (lower middle), and Sector 94 (bottom). 0 20 40 60 80 100 Frequency ( Hz) 0 2500 5000 7500 10000 12500 15000 P o w e r (p p m 2 ) 0 1 2 3 4 5 6 7 8 Frequency mod 4.39 20 25 30 35 40 45 50 F r e q u e n c y ( H z) [PITH_FULL_IMAGE:figures/full_fig_p005_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Upper: GLS power spectrum of the full TESS light curve for HD 205577, showing solar-like oscillations centred at about 40 𝜇Hz. Lower: Power spectrum of the TESS light curve of HD 205577 in échelle format (see text). 3.3 Asteroseismic analysis of HD 115066 Oscillations in this star were measured by Hon et al. (2021), who reported 𝜈max = 66.4 ± 3.7 𝜇Hz based on TESS Sector 10. We used all currently available… view at source ↗
Figure 3
Figure 3. Figure 3: TESS light curve of HD 115066, showing the full light curve (top), Sector 10 (upper middle), Sector 37 (lower middle), and Sector 64 (bottom). 0 20 40 60 80 100 Frequency ( Hz) 0 1000 2000 3000 4000 5000 6000 P o w e r (p p m 2 ) 0 2 4 6 8 10 12 Frequency mod 6.12 35 40 45 50 55 60 65 70 F r e q u e n c y ( H z) [PITH_FULL_IMAGE:figures/full_fig_p006_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: Upper: GLS Power spectrum of the TESS light curve of HD 115066, showing solar-like oscillations centered at 62 𝜇Hz. Lower: Power spectrum of the TESS light curve of HD 115066 in échelle format (see text). rameter determination. The one-planet fit is shown in [PITH_FULL_IMAGE:figures/full_fig_p006_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Radial velocity data and model fit for HD 126105b. The maximum likelihood model is plotted while the orbital parameters listed in [PITH_FULL_IMAGE:figures/full_fig_p007_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: Joint RV and Hipparcos-Gaia astrometry model for HD 115066. (Top left) all RV data and best-fit RV model. (Top right) RV inset focusing on our new Minerva-Australis observations. (Bottom left) proper motion in right ascension and best-fit astrometric model. (Bottom right) proper motion in declination and best-fit astrometric model. In each panel the dark lines represent the best-fit model, while the light … view at source ↗
Figure 7
Figure 7. Figure 7: Joint RV and Hipparcos-Gaia astrometry model for HD 121156. (Top left) all RV data and best-fit RV model. (Top right) RV inset focusing on our new Minerva-Australis observations. (Bottom left) proper motion in right ascension and best-fit astrometric model. (Bottom right) proper motion in declination and best-fit astrometric model. In each panel the dark lines represent the best-fit model, while the light … view at source ↗
Figure 8
Figure 8. Figure 8: Absolute RV data for HD 205577. (Left) Four seasons of Minerva-Australis observations, with a fiducial 70 m s−1 yr−1 acceleration shown as a visual guide. The epoch of the instrument intervention is identified with an arrow. (Right) As before, but shifted to the Gaia RV reference frame and with the addition of mean RVs from Gaia DR2 and DR3. While the RV observations are reasonably consistent with a linear… view at source ↗
Figure 9
Figure 9. Figure 9: Joint RV and Hipparcos-Gaia astrometry model for HD 205577. (Top) all RV data, including Gaia mean RVs, and best-fit RV model. (Bottom left) proper motion in right ascension and best-fit astrometric model. (Bottom right) proper motion in declination and best-fit astrometric model. In each panel the dark lines represent the best-fit model, while the light lines are drawn randomly from the posteriors. Though… view at source ↗
Figure 10
Figure 10. Figure 10: Results of a blind search in RVSearch for periodic signals in the combined data sets for HD 114899 (top panel) and HD 159743 (bottom panel). No significant signals are found, thus dismissing the candidates suggested in Wittenmyer et al. (2020a). 5 DISCUSSION AND CONCLUSIONS We have followed up on six candidate companions that were tenta￾tively proposed in Wittenmyer et al. (2020a) as part of the program’s… view at source ↗
read the original abstract

We present resolutions as to the nature of six speculative candidate companions proposed in the final data release of the Pan-Pacific Planet Search, a 6-year radial-velocity survey of 164 southern evolved stars using the now-decommissioned UCLES spectrograph on the 3.9m Anglo-Australian Telescope. New radial-velocity observations, TESS asteroseismology, and Hipparcos-Gaia astrometry are incorporated to refine the companion and host-star parameters. We confirm that HD 126105b is a giant planet ($P=524.0\pm$2.9 d, $m$ sin $i=1.67^{+0.19}_{-0.17}M_{Jup}$), and that HD 205577B is a massive, eccentric brown dwarf ($P\sim$11.2 yr, $m=77^{+11}_{-9}M_{Jup}$, $e=0.68$). HD 115066B and HD 121156B are low-mass stellar companions, while HD 114899 and HD 159743 are shown to be unadorned by any detectable companions whatsoever. This demonstrates the utility of astrometric information to help overcome the temporal limitations of incomplete radial-velocity data sets and elucidate the true nature of suspected companion bodies.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 3 minor

Summary. The paper resolves the nature of six candidate companions identified in the final release of the Pan-Pacific Planet Search (a 6-year RV survey of 164 evolved stars) by incorporating new radial-velocity observations, TESS asteroseismology, and Hipparcos-Gaia astrometry. It confirms HD 126105b as a giant planet (P=524.0±2.9 d, m sin i=1.67+0.19−0.17 M_Jup), HD 205577B as a massive eccentric brown dwarf (P∼11.2 yr, m=77+11−9 M_Jup, e=0.68), HD 115066B and HD 121156B as low-mass stellar companions, and HD 114899 and HD 159743 as having no detectable companions. The work emphasizes the role of astrometric data in overcoming temporal limitations of incomplete RV datasets.

Significance. If the multi-technique classifications hold, the paper provides concrete, observationally grounded examples of how combined RV, asteroseismic, and astrometric constraints can unambiguously distinguish planets, brown dwarfs, and stellar companions around evolved stars. This directly addresses a common challenge in long-period companion searches and supplies specific fitted parameters with uncertainties that can be used for population studies. The explicit demonstration of the method's utility on six targets is a modest but useful contribution to the Pan-Pacific Planet Search series.

minor comments (3)
  1. §3 (Methods): the description of how the joint RV+astrometric likelihood is constructed and how stellar activity is mitigated should be expanded with explicit equations or a reference to the precise model used, as this is central to the claim of unambiguous classification.
  2. Table 2: the reported uncertainties on the brown-dwarf mass and eccentricity for HD 205577B appear to come from a single posterior; clarify whether these are 1σ credible intervals from the full MCMC chain or approximate values.
  3. Figure 4: the phase-folded RV plot for HD 126105b would benefit from an additional panel showing the residuals after subtracting the best-fit orbit to allow visual assessment of any remaining periodic signals.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their positive assessment of the manuscript, accurate summary of its content, and recommendation for minor revision. The referee correctly identifies the key results and the utility of combining RV, asteroseismic, and astrometric data. No major comments were raised in the report.

Circularity Check

0 steps flagged

No significant circularity: observational fitting with independent multi-technique constraints

full rationale

The paper reports new radial-velocity observations, TESS asteroseismology, and Hipparcos-Gaia astrometry to classify six candidate companions around evolved stars. All reported quantities (periods, masses, eccentricities) are direct outputs of standard orbit fitting to the combined datasets. No derivation chain, uniqueness theorem, ansatz, or self-citation is invoked to force results; the classifications follow from the data themselves. The work contains no mathematical derivation that could reduce to its inputs by construction.

Axiom & Free-Parameter Ledger

4 free parameters · 3 axioms · 0 invented entities

The paper's conclusions rest on standard domain assumptions in stellar astrophysics and exoplanet detection rather than new free parameters or invented entities. The fitted orbital parameters are the outputs of the analysis.

free parameters (4)
  • Orbital period of HD 126105b = 524.0 days
    Fitted to radial velocity time series
  • Minimum mass of HD 126105b = 1.67 Jupiter masses
    Derived from RV amplitude and estimated stellar mass
  • Mass of HD 205577B = 77 Jupiter masses
    Fitted using combined RV and astrometric data
  • Eccentricity of HD 205577B = 0.68
    Fitted to the orbital model
axioms (3)
  • domain assumption Radial velocity signals arise from gravitational interactions with orbiting companions following Keplerian orbits
    Core assumption in all RV companion searches.
  • domain assumption Asteroseismic measurements from TESS yield accurate stellar parameters such as mass and radius
    Used to convert minimum masses to true masses and interpret other data.
  • domain assumption Hipparcos-Gaia proper motion anomalies accurately trace the astrometric wobble due to companions
    Essential for distinguishing low-mass from high-mass companions.

pith-pipeline@v0.9.1-grok · 5873 in / 1640 out tokens · 62253 ms · 2026-06-28T18:03:44.827619+00:00 · methodology

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Works this paper leans on

296 extracted references · 258 canonical work pages · 85 internal anchors

  1. [1]

    First Results From The Hertzsprung Song Telescope: Asteroseismology Of The G5 Subgiant Star {\Mu}Her

    First Results from the Hertzsprung SONG Telescope: Asteroseismology of the G5 Subgiant Star Herculis. , keywords =. doi:10.3847/1538-4357/836/1/142 , archivePrefix =. 1701.03365 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4357/836/1/142

  2. [2]

    , keywords =

    TESS Asteroseismic Masses and Radii of Red Giants with (and without) Planets. , keywords =. doi:10.3847/1538-4357/ad685d , archivePrefix =. 2410.02051 , primaryClass =

    work page doi:10.3847/1538-4357/ad685d

  3. [3]

    , keywords =

    Pyodine: an open, flexible reduction software for iodine-calibrated precise radial velocities. , keywords =. doi:10.1051/0004-6361/202244441 , archivePrefix =. 2306.13615 , primaryClass =

    work page doi:10.1051/0004-6361/202244441

  4. [4]

    The Pan-Pacific Planet Search. IV. Two Super-Jupiters in a 3:5 Resonance Orbiting the Giant Star HD 33844. , keywords =. doi:10.3847/0004-637X/818/1/35 , archivePrefix =. 1512.07316 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/0004-637x/818/1/35

  5. [5]

    The rovibrational spectrum of BeH, MgH and CaH in the X ^ 2 ^ + state

    Fundamental parameters and infrared excesses of Hipparcos stars. , keywords =. doi:10.1111/j.1365-2966.2012.21873.x , archivePrefix =. 1208.2037 , primaryClass =

    work page doi:10.1111/j.1365-2966.2012.21873.x 2012

  6. [6]

    , keywords =

    Assessment of [Fe/H] determinations for FGK stars in spectroscopic surveys. , keywords =. doi:10.1051/0004-6361/202142409 , archivePrefix =. 2112.07545 , primaryClass =

    work page doi:10.1051/0004-6361/202142409

  7. [7]

    Retired A Stars and Their Companions. VI. A Pair of Interacting Exoplanet Pairs Around the Subgiants 24 Sextanis and HD 200964. , keywords =. doi:10.1088/0004-6256/141/1/16 , archivePrefix =. 1007.4552 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-6256/141/1/16

  8. [8]

    Resonances Required: Dynamical Analysis of the 24 Sex and HD 200964 Planetary Systems

    Resonances Required: Dynamical Analysis of the 24 Sex and HD 200964 Planetary Systems. , keywords =. doi:10.1088/0004-637X/761/2/165 , archivePrefix =. 1211.1078 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/761/2/165

  9. [9]

    Precise radial velocities of giant stars. XIII. A second Jupiter orbiting in 4:3 resonance in the 7 CMa system. , keywords =. doi:10.1051/0004-6361/201936464 , archivePrefix =. 1910.05853 , primaryClass =

    work page doi:10.1051/0004-6361/201936464 1910

  10. [10]

    , keywords =

    HD 76920 b pinned down: A detailed analysis of the most eccentric planetary system around an evolved star. , keywords =. doi:10.1017/pasa.2021.8 , archivePrefix =. 2102.08902 , primaryClass =

    work page doi:10.1017/pasa.2021.8 2021

  11. [11]

    , keywords =

    Revisiting planetary systems in the Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and a multiplicity-metallicity trend around evolved stars. , keywords =. doi:10.1093/pasj/psad056 , archivePrefix =. 2308.05343 , primaryClass =

    work page doi:10.1093/pasj/psad056

  12. [12]

    The Pan-Pacific Planet Search. VI. Giant Planets Orbiting HD 86950 and HD 222076. , keywords =. doi:10.3847/1538-3881/153/2/51 , archivePrefix =. 1611.07648 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-3881/153/2/51

  13. [13]

    Four new planets around giant stars and the mass-metallicity correlation of planet-hosting stars

    Four new planets around giant stars and the mass-metallicity correlation of planet-hosting stars. , keywords =. doi:10.1051/0004-6361/201628067 , archivePrefix =. 1603.03738 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201628067

  14. [14]

    I.: A Noninflated Hot Jupiter Orbiting a Massive Subgiant

    TESS Giants Transiting Giants. I.: A Noninflated Hot Jupiter Orbiting a Massive Subgiant. , keywords =. doi:10.3847/1538-3881/ac38a1 , archivePrefix =. 2108.02294 , primaryClass =

    work page doi:10.3847/1538-3881/ac38a1

  15. [15]

    , keywords =

    Giant Planet Occurrence within 0.2 au of Low-luminosity Red Giant Branch Stars with K2. , keywords =. doi:10.3847/1538-3881/ab4c35 , archivePrefix =. 1910.05346 , primaryClass =

    work page doi:10.3847/1538-3881/ab4c35 1910

  16. [17]

    Study of the impact of the post-MS evolution of the host star on the orbits of close-in planets. I. Sample definition and physical properties. , keywords =. doi:10.1051/0004-6361/201117887 , archivePrefix =. 1110.6459 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201117887

  17. [18]

    An Eccentric Hot Jupiter Orbiting the Subgiant HD 185269

    An Eccentric Hot Jupiter Orbiting the Subgiant HD 185269. , keywords =. doi:10.1086/508255 , archivePrefix =. astro-ph/0608035 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/508255

  18. [19]

    , keywords =

    Radial-Velocity Variability of G-Type Giants: First Three Years of the Okayama Planet Search Program. , keywords =. doi:10.1093/pasj/57.1.97 , adsurl =

    work page doi:10.1093/pasj/57.1.97

  19. [20]

    Precise radial velocities of giant stars. XVI. Planet occurrence rates from the combined analysis of the Lick, EXPRESS, and PPPS giant star surveys. , keywords =. doi:10.1051/0004-6361/202142501 , archivePrefix =. 2202.12800 , primaryClass =

    work page doi:10.1051/0004-6361/202142501

  20. [21]

    The Pan-Pacific Planet Search. VII. The Most Eccentric Planet Orbiting a Giant Star. , keywords =. doi:10.3847/1538-3881/aa9894 , archivePrefix =. 1711.05378 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-3881/aa9894

  21. [22]

    The Pan-Pacific Planet Search. I. A Giant Planet Orbiting 7 CMa. , keywords =. doi:10.1088/0004-637X/743/2/184 , archivePrefix =. 1111.1007 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/743/2/184

  22. [23]

    CORALIE radial-velocity search for companions around evolved stars (CASCADES). I. Sample definition and first results: Three new planets orbiting giant stars. , keywords =. doi:10.1051/0004-6361/202040078 , archivePrefix =. 2201.01528 , primaryClass =

    work page doi:10.1051/0004-6361/202040078

  23. [24]

    , keywords =

    Two New HATNet Hot Jupiters around A Stars and the First Glimpse at the Occurrence Rate of Hot Jupiters from TESS. , keywords =. doi:10.3847/1538-3881/ab36b5 , archivePrefix =. 1906.00462 , primaryClass =

    work page doi:10.3847/1538-3881/ab36b5 1906

  24. [25]

    The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades. , keywords =. doi:10.3847/1538-4365/abe23c , archivePrefix =. 2105.11583 , primaryClass =

    work page doi:10.3847/1538-4365/abe23c

  25. [26]

    Evidence for Reflected Light from the Most Eccentric Exoplanet Known

    Evidence for Reflected Light from the Most Eccentric Exoplanet Known. , keywords =. doi:10.3847/0004-637X/821/1/65 , archivePrefix =. 1511.08679 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/0004-637x/821/1/65

  26. [27]

    isochrones: Stellar model grid package

  27. [28]

    , keywords =

    A trio of giant planets orbiting evolved star HD 184010. , keywords =. doi:10.1093/pasj/psac070 , archivePrefix =. 2209.09426 , primaryClass =

    work page doi:10.1093/pasj/psac070

  28. [29]

    CORALIE radial-velocity search for companions around evolved stars (CASCADES). III. A new Jupiter host-star: in-depth analysis of HD 29399 using TESS data. , keywords =. doi:10.1051/0004-6361/202040080 , archivePrefix =. 2201.01553 , primaryClass =

    work page doi:10.1051/0004-6361/202040080

  29. [30]

    , keywords =

    A close-in giant planet escapes engulfment by its star. , keywords =. doi:10.1038/s41586-023-06029-0 , archivePrefix =. 2306.15877 , primaryClass =

    work page doi:10.1038/s41586-023-06029-0

  30. [31]

    , keywords =

    A simple method to measure _ max for asteroseismology: application to 16 000 oscillating Kepler red giants. , keywords =. doi:10.1093/mnras/stae991 , archivePrefix =. 2401.17557 , primaryClass =

    work page doi:10.1093/mnras/stae991

  31. [32]

    Communications in Asteroseismology , year = 2007, month = jun, volume =

    Stellar Oscillations Network Group. Communications in Asteroseismology , year = 2007, month = jun, volume =. doi:10.1553/cia150s300 , adsurl =

    work page doi:10.1553/cia150s300 2007

  32. [33]

    The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-Period Planets

    The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-period Planets. , keywords =. doi:10.1088/0004-637X/800/1/22 , archivePrefix =. 1501.00633 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/800/1/22

  33. [34]

    RadVel: The Radial Velocity Modeling Toolkit

    RadVel: The Radial Velocity Modeling Toolkit. , keywords =. doi:10.1088/1538-3873/aaaaa8 , archivePrefix =. 1801.01947 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/1538-3873/aaaaa8

  34. [35]

    AstroImageJ: Image Processing and Photometric Extraction for Ultra-Precise Astronomical Light Curves (Expanded Edition)

    AstroImageJ: Image Processing and Photometric Extraction for Ultra-precise Astronomical Light Curves. , keywords =. doi:10.3847/1538-3881/153/2/77 , archivePrefix =. 1701.04817 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-3881/153/2/77

  35. [36]

    Complete results and the occurrence rate of planets around low-luminosity giants

    The Pan-Pacific Planet Search - VIII. Complete results and the occurrence rate of planets around low-luminosity giants. , keywords =. doi:10.1093/mnras/stz3378 , archivePrefix =. 1911.11954 , primaryClass =

    work page doi:10.1093/mnras/stz3378 1911

  36. [37]

    Ground-based and Airborne Instrumentation for Astronomy IV , year = 2012, editor =

    KiwiSpec - an advanced spectrograph for high resolution spectroscopy: optical design and variations. Ground-based and Airborne Instrumentation for Astronomy IV , year = 2012, editor =. doi:10.1117/12.926527 , adsurl =

    work page doi:10.1117/12.926527 2012

  37. [38]

    , keywords =

    Spinning up a Daze: TESS Uncovers a Hot Jupiter Orbiting the Rapid Rotator TOI-778. , keywords =. doi:10.3847/1538-3881/acc3a0 , archivePrefix =. 2212.08242 , primaryClass =

    work page doi:10.3847/1538-3881/acc3a0

  38. [39]

    , keywords =

    TOI-1842b: A Transiting Warm Saturn Undergoing Reinflation around an Evolving Subgiant. , keywords =. doi:10.3847/1538-3881/ac3f39 , archivePrefix =. 2112.00198 , primaryClass =

    work page doi:10.3847/1538-3881/ac3f39

  39. [40]

    Minerva-Australis. I. Design, Commissioning, and First Photometric Results. , keywords =. doi:10.1088/1538-3873/ab03aa , archivePrefix =. 1901.11231 , primaryClass =

    work page doi:10.1088/1538-3873/ab03aa 1901

  40. [42]

    , keywords =

    Evidence of extra mixing in field giants as traced by the lithium and carbon isotope ratio. , keywords =. doi:10.1051/0004-6361/202244518 , archivePrefix =. 2207.08905 , primaryClass =

    work page doi:10.1051/0004-6361/202244518

  41. [43]

    New spectroscopic binary companions of giant stars and updated metallicity distribution for binary systems

    New spectroscopic binary companions of giant stars and updated metallicity distribution for binary systems. , keywords =. doi:10.1051/0004-6361/201628459 , archivePrefix =. 1608.08260 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201628459

  42. [44]

    Ca II H&K time series for the HARPS radial velocity database

    Analysis of the public HARPS/ESO spectroscopic archive. Ca II H&K time series for the HARPS radial velocity database. , keywords =. doi:10.1051/0004-6361/202348263 , archivePrefix =. 2311.12438 , primaryClass =

    work page doi:10.1051/0004-6361/202348263

  43. [45]

    SPECIES. II. Stellar parameters of the EXPRESS giant star sample. , keywords =. doi:10.1051/0004-6361/202039357 , archivePrefix =. 2009.03371 , primaryClass =

    work page doi:10.1051/0004-6361/202039357 2009

  44. [46]

    The CORALIE survey for southern extrasolar planets. XVII. New and updated long period and massive planets. , keywords =. doi:10.1051/0004-6361/201219639 , archivePrefix =. 1211.6444 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201219639

  45. [47]

    Determination Of The Orbit Of The Planetary Companion To The Metal Rich Star HD 45350

    Determination of the Orbit of the Planetary Companion to the Metal-Rich Star HD 45350. , keywords =. doi:10.1086/503746 , archivePrefix =. astro-ph/0603007 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/503746

  46. [48]

    New determination of the hydrogen burning limit

    Impact of a new H/He equation of state on the evolution of massive brown dwarfs. New determination of the hydrogen burning limit. , keywords =. doi:10.1051/0004-6361/202243832 , archivePrefix =. 2212.07153 , primaryClass =

    work page doi:10.1051/0004-6361/202243832

  47. [49]

    , keywords =

    Radial Velocity Discovery of an Eccentric Jovian World Orbiting at 18 au. , keywords =. doi:10.3847/1538-3881/ab3e63 , archivePrefix =. 1908.09925 , primaryClass =

    work page doi:10.3847/1538-3881/ab3e63 1908

  48. [50]

    The Pan-Pacific Planet Search. V. Fundamental Parameters for 164 Evolved Stars. , keywords =. doi:10.3847/0004-6256/152/1/19 , archivePrefix =. 1605.00323 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/0004-6256/152/1/19

  49. [51]

    Volume\_3

    Michigan Catalogue of Two-dimensional Spectral Types for the HD stars. Volume\_3. Declinations -40\_ 0 to -26\_ 0

  50. [52]

    Volume 4, Declinations -26 .0 to -12 .0

    Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4, Declinations -26 .0 to -12 .0

  51. [53]

    , keywords =

    The Tycho-2 catalogue of the 2.5 million brightest stars. , keywords =

  52. [54]

    , keywords =

    Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity. , keywords =. doi:10.1088/0004-6256/135/1/209 , adsurl =

    work page doi:10.1088/0004-6256/135/1/209

  53. [55]

    doi:10.26093/cds/vizier.1350 , adsurl =

    VizieR Online Data Catalog: Gaia EDR3 (Gaia Collaboration, 2020). doi:10.26093/cds/vizier.1350 , adsurl =

    work page doi:10.26093/cds/vizier.1350 2020

  54. [56]

    The Messenger , year = 2003, month = dec, volume = 114, pages =

    Setting New Standards with HARPS. The Messenger , year = 2003, month = dec, volume = 114, pages =

    2003

  55. [57]

    Planet-disk interaction and orbital evolution

    Planet-Disk Interaction and Orbital Evolution. , keywords =. 2012. doi:10.1146/annurev-astro-081811-125523 , archivePrefix =. 1203.1184 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1146/annurev-astro-081811-125523 2012

  56. [58]

    ArXiv e-prints , keywords =

    New Grids of ATLAS9 Model Atmospheres. ArXiv e-prints , keywords =

  57. [59]

    High-precision radial velocities and two alternative spectral indicators

    Spectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators. , archivePrefix = "arXiv", eprint =. doi:10.1051/0004-6361/201731483 , adsurl =

    work page doi:10.1051/0004-6361/201731483

  58. [60]

    , archivePrefix = "arXiv", eprint =

    ZASPE: A Code to Measure Stellar Atmospheric Parameters and their Covariance from Spectra. , archivePrefix = "arXiv", eprint =. doi:10.1093/mnras/stx144 , adsurl =

    work page doi:10.1093/mnras/stx144

  59. [61]

    III - Orbital migration of protoplanets

    On the tidal interaction between protoplanets and the protoplanetary disk. III - Orbital migration of protoplanets. , keywords =. doi:10.1086/164653 , adsurl =

    work page doi:10.1086/164653

  60. [62]

    Shrinking binary and planetary orbits by Kozai cycles with tidal friction

    Shrinking Binary and Planetary Orbits by Kozai Cycles with Tidal Friction. , keywords =. doi:10.1086/521702 , archivePrefix =. 0705.4285 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/521702

  61. [63]

    Science , keywords =

    Dynamical instabilities and the formation of extrasolar planetary systems. Science , keywords =. doi:10.1126/science.274.5289.954 , adsurl =

    work page doi:10.1126/science.274.5289.954

  62. [64]

    , year = 1995, month = nov, volume =

    A Jupiter-mass companion to a solar-type star. , year = 1995, month = nov, volume =. doi:10.1038/378355a0 , adsurl =

    work page doi:10.1038/378355a0 1995

  63. [65]

    The Discovery of a Planetary Companion to 16 Cygni B

    The Discovery of a Planetary Companion to 16 Cygni B. , keywords =. doi:10.1086/304245 , archivePrefix =. astro-ph/9611230 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/304245

  64. [66]

    , keywords =

    Evidence for Multiple Companions to Andromedae. , keywords =. doi:10.1086/308035 , adsurl =

    work page doi:10.1086/308035

  65. [67]

    The HARPS search for southern extra-solar planets. I. HD 330075 b: A new ``hot Jupiter''. , keywords =. doi:10.1051/0004-6361:20040389 , archivePrefix =. astro-ph/0405252 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361:20040389

  66. [68]

    A Super-Earth and two Neptunes Orbiting the Nearby Sun-like star 61 Virginis

    A Super-Earth and Two Neptunes Orbiting the Nearby Sun-like Star 61 Virginis. , keywords =. doi:10.1088/0004-637X/708/2/1366 , archivePrefix =. 0912.2599 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/708/2/1366

  67. [69]

    Astrocut: Tools for creating cutouts of TESS images

  68. [70]

    ascl:1812.013 , adsurl =

    Lightkurve: Kepler and TESS time series analysis in Python. ascl:1812.013 , adsurl =

  69. [71]

    Exoplanet Detection Techniques

    Exoplanet Detection Techniques. Protostars and Planets VI , year = "2014", editor =. doi:10.2458/azu_uapress_9780816531240-ch031 , archivePrefix =. 1505.06869 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.2458/azu_uapress_9780816531240-ch031 2014

  70. [72]

    , keywords =

    Cool Jupiters greatly outnumber their toasty siblings: occurrence rates from the Anglo-Australian Planet Search. , keywords =. doi:10.1093/mnras/stz3436 , archivePrefix =. 1912.01821 , primaryClass =

    work page doi:10.1093/mnras/stz3436 1912

  71. [73]

    , keywords =

    TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star ^ ★. , keywords =. doi:10.1093/mnras/staa277 , archivePrefix =. 1911.02012 , primaryClass =

    work page doi:10.1093/mnras/staa277 1911

  72. [74]

    Nature Astronomy , keywords =

    An ultrahot Neptune in the Neptune desert. Nature Astronomy , keywords =. doi:10.1038/s41550-020-1142-z , archivePrefix =. 2009.12832 , primaryClass =

    work page doi:10.1038/s41550-020-1142-z 2009

  73. [75]

    The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions. , keywords =. 2019. doi:10.1051/0004-6361/201731173 , adsurl =

    work page doi:10.1051/0004-6361/201731173 2019

  74. [76]

    , archivePrefix = "arXiv", eprint =

    CERES: A Set of Automated Routines for Echelle Spectra. , archivePrefix = "arXiv", eprint =. doi:10.1088/1538-3873/aa5455 , adsurl =

    work page doi:10.1088/1538-3873/aa5455

  75. [77]

    The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs

    The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs. , keywords =. 2009. doi:10.1051/0004-6361/200912479 , archivePrefix =. 0908.0944 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/200912479 2009

  76. [78]

    Mass characterization of a hot super-Earth, a sub-Neptune, and a mass upper limit on the third planet

    Characterization of the L 98-59 multi-planetary system with HARPS. Mass characterization of a hot super-Earth, a sub-Neptune, and a mass upper limit on the third planet. , keywords =. 2019. doi:10.1051/0004-6361/201935957 , adsurl =

    work page doi:10.1051/0004-6361/201935957 2019

  77. [79]

    , keywords =

    Revisiting the HD 21749 Planetary System with Stellar Activity Modeling. , keywords =. doi:10.1093/mnras/staa3886 , archivePrefix =. 2012.04873 , primaryClass =

    work page doi:10.1093/mnras/staa3886 2012

  78. [80]

    TOI-216b and TOI-216c: Two warm, large exoplanets in or slightly wide of the 2:1 orbital resonance

    TOI-216b and TOI-216 c: Two Warm, Large Exoplanets in or Slightly Wide of the 2:1 Orbital Resonance. , keywords =. doi:10.3847/1538-3881/ab24ba , archivePrefix =. 1904.11852 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-3881/ab24ba 1904

  79. [81]

    Extracting Planet Mass and Eccentricity From TTV data

    Extracting Planet Mass and Eccentricity from TTV Data. , keywords =. doi:10.1088/0004-637X/761/2/122 , archivePrefix =. 1207.4192 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/761/2/122

  80. [82]

    2016 , month =

    Daniel Foreman-Mackey , title =. 2016 , month =. doi:10.21105/joss.00024 , url =

    work page doi:10.21105/joss.00024 2016

Showing first 80 references.