JWST nebular spectra detect cooling ~400 K carbonaceous dust emission in normal SN Ia 2023qov at +276 and +363 days, modeled as pre-existing circumstellar dust with mass ~10^{-4} M_sun located within ~1 light year.
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representative citing papers
Detection of a 0.1802-day periodic signal in TESS photometry of slow-rising nova PGIR22akgylf interpreted as orbital modulation from binary distortion of the envelope during common-envelope interaction.
Detection of a time-variable relativistic UV outflow at velocities up to 0.3c in quasar J2318, with estimated mass-loss rate and kinetic luminosity above typical feedback thresholds.
Synthetic observables from tECSN models show slower early red-color decline due to higher Ti/Cr and a late-time 12.8 μm Ne II line that strengthens over time, unlike comparable CO deflagration models.
Ten new eclipsing WD + cool M-dwarf binaries found in TESS data via a targeted minute-scale eclipse search, increasing the TESS-discovered sample by an order of magnitude.
Primordial black holes captured by stars lead to either quiet consumption or explosive disruption via disk formation, producing transients and high-spin remnants with potentially observable event rates.
The survey identifies 27 low-redshift LRDs with compact morphology, V-shaped continua, broad Balmer lines with extreme decrements, and ubiquitous outflows, matching high-z counterparts and yielding a number density lower limit of 7.5e-10 cMpc^-3.
A W-Net deep learning model detects asteroids in TESS data independently of trajectory by rotating training image cubes and using adaptive normalization for data scaling.
Joint speckle-atmosphere retrievals on JWST spectra of HD 19467 B and a field T dwarf detect H2O, CH4, CO, CO2 and NH3, yield carbon isotopic ratios of 154 and 85 respectively, and show near-solar metallicity with subsolar C/O.
Vision-language models underperform specialized astronomical methods on real observational data, with accuracy improving when physical explanations are provided in prompts and when raw numerical measurements replace rendered plots.
SDSSJ110546.07+145202.4 is the first known long-duration radio changing-look NLS1 galaxy whose outburst is explained by an accretion-rate change that triggered a powerful radio jet.
New JWST and Keck data on off-nuclear TDE 2025abcr show shifting emission-line velocities from a changing reprocessing layer and an IR power-law slope of -2.13 that is consistent with either reprocessing gas or a young stellar cluster of mass ~10^7.6 solar masses.
Spectroscopic observations of six low-mass, metal-poor SLSN host galaxies reveal slow stellar-wind-driven outflows with velocities 37-104 km/s and mass-loading factors below 1 in the earliest phases of star formation.
Spectroscopic and imaging confirmation of the brightest known quadruply-lensed quasar J1330-0905 at z=2.22 with Einstein radius ~0.45 arcsec and predicted magnification ~56.
A changing-look AGN exhibits a rapid accretion-driven spectral transition with broad-line region temperatures of approximately 11,800 K measured via Boltzmann plots and stable black hole mass estimates of 5 times 10 to the 7 solar masses across epochs.
Two new short-period asynchronous magnetic cataclysmic variables were found, one candidate at the period minimum with spin-to-orbit ratio 0.9879 and an eclipsing system with ratio 0.867, supporting magnetic synchronization predictions.
DGPFM stacks GP-based linear and nonlinear transformations in function space via kernel integrals and inducing-point variational learning for function-on-function regression.
Discovery and multi-wavelength follow-up of a new FU Orionis accretion outburst in V7995 Sgr with photometry and spectroscopy confirming the classification.
A new radiative-diffusion framework couples magnetar spin-down, shock propagation, and radiative transport to produce double-peaked, merged, or single-peaked light curves in engine-powered transients, demonstrated on LSQ14bdq.
Photometry-only classification of SNe Ia and Ibc reaches >=90% accuracy by fitting a semi-analytical decay model to light curves and using GMMs on the resulting parameter distributions to estimate mixing fractions without any labeled training data.
Nebular spectroscopy of low-luminosity Type IIP SNe from ZTF identifies two plausible ECSN candidates but derives an upper limit on the ECSN rate of ≲(5–8)×10² Gpc⁻³ yr⁻¹ implying a sAGB mass window narrower than 0.06 M⊙.
The first eclipsing CEMP candidate is identified in a 1.224-day binary, with 3.5% of dwarf carbon stars showing short-period variability consistent with tidally locked post-common envelope systems and supporting wind capture for carbon enhancement.
Optical-MIR lags of 39.1 days and 79.4 days are measured in Mrk 42 and Mrk 493, yielding dust reverberation radii of 0.032 pc and 0.065 pc with R_dust/R_BLR ratios of approximately 6-7.
StarCLR pretrains on TESS light curves via contrastive learning on overlapping subsequences and improves variable star classification F1 scores over scratch-trained models when fine-tuned on TESS, ZTF, and Gaia.
citing papers explorer
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A Systematic Search for Active Galactic Nucleus Flares in ZTF Data Release 23
Systematic search of ZTF DR23 data yields catalogs of 28,504 coarse and 1,984 refined AGN flares with public release.
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Streak detection in the VST/OmegaCAM archive using deep learning
A two-stage deep learning pipeline (HT-LCNN detector + VGG6 classifier) trained on augmented real and simulated data detects streaks in OmegaCAM frames with F1 > 0.95 on test sets and 0.99 precision on real 2023 data, uncovering 25,335 streaks including >20% uncatalogued objects across 1.2 million f
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The NANOGrav 15 yr Data Set: Impacts of Customized Chromatic Noise Models on Gravitational Wave Analyses
Customized chromatic noise models applied to NANOGrav 15 yr data raise the Bayes factor for Hellings-Downs GWB correlations by a factor of ~8, lower the amplitude to 2.1e-15, and increase the spectral index to 3.5.
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A Candidate Low-mass Disk-eclipsing Binary in the ~316 Myr Open Cluster UPK 13
Photometric reanalysis identifies UPK 13-c2 as a candidate late-K/early-M binary with circumbinary disk in the ~316 Myr cluster UPK 13, potentially the oldest main-sequence disk-eclipsing binary known.
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SN 2024dy: Dust formation in a long-lived Type IIn supernova and constraints on the dust mass
New observations of SN 2024dy show carbon dust formation with mass ~10^{-5} M_sun inferred from NIR excess and asymmetric H-alpha profile in a long-lived Type IIn supernova.
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A Pilot Study to Verify the RR Lyrae Candidates with Vera C. Rubin Observatory Early Alerts
Pilot verification using Rubin early alerts confirms 32 of 40 RR Lyrae candidates from prior catalogs as real while identifying 20% non-RR Lyrae contaminants including AGN and eclipsing binaries.
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A local Universe catalogue of structures and voids dynamically identified using Cosmic-Flows4++ZOA peculiar velocities
A catalogue of 37 voids (radii 13-38 h^{-1} Mpc) and 42 knots (volumes 10^4 to 3.3x10^5 h^{-3} Mpc^3) is presented using V-web on CF4++ZOA peculiar velocities within z=0.1.
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Radiation Pressure Instability in the "turn-on" Changing-Look AGN SDSS J1430+2303
Multi-wavelength data from SDSS J1430+2303 are interpreted as evidence that radiation pressure instabilities drive a shrinking unstable accretion-disk zone, based on timing analysis, weak soft excess, and SED-derived black-hole parameters.
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Toward decision-aware AI for LSST-scale time-domain astronomy
Proposes foundation models and decision-theoretic policies to manage evolving source representations and optimize follow-up resource allocation in LSST-scale time-domain astronomy.
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The Quadruply Lensed Supernova SN 2025wny: Implications for LSST
A protocol is outlined for maximizing LSST quadruply lensed supernova science through pre-listed hosts, real-time modeling, and immediate follow-up to capture all images and time delays.
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HOLISMOKES XXI: Detecting strongly lensed type Ia supernovae from time series of multi-band LSST-like imaging data -- Part II
A convLSTM classifier identifies lensed SNe Ia in simulated LSST-like time series, reaching ~60% true-positive rate at O(10^{-4}) false-positive rate by the seventh epoch even after adding realistic PSF variations and foreground SN contaminants.
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The Phenomenological Classification of TESS Eclipsing Binaries
A neural network classifies 20,196 TESS eclipsing binaries into 13,376 EA, 2,114 EB, and 4,706 EW systems after achieving 99% accuracy on held-out test data.
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The ZTF-ULTRASAT experiment: Characterizing the non-transients in ULTRASAT's high cadence survey
ZTF high-cadence data shows RR Lyrae stars and flaring sources can mimic UV transients, with pre-existing ML catalogs offering a concrete mitigation approach.
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Supernova 2025wny: High-angular resolution Keck/NIRC2 observations and preliminary lens modeling
High-resolution Keck observations and dual-code lens modeling of the first lensed Type I superluminous supernova give sub-milliarcsecond position fits and masses of 4.44 and 0.96 times 10^11 solar masses for the primary and secondary lenses.
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Testing models for fully and partially stripped low-mass stars with Gaia: Implications for hot subdwarfs, binary RR Lyrae, and black hole impostors
Simulations overpredict hot subdwarf and RR Lyrae binaries with Gaia astrometric solutions but match red clump stars with high mass functions as potential black hole impostors, implying fewer au-scale RR Lyrae binaries than expected.
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The Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) Quasar Survey: Quasar Properties from Data Release 10 to 12
LAMOST DR10-12 adds 11,346 quasars (5,386 new) with ZTF-recalibrated spectra and derived emission-line and black-hole mass properties to support variability and rare-object studies.
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A Multi-Level Validation and Traceability Framework for AI-Generated Telescope Scheduling Decisions
A validation and traceability framework using data checks, logical consistency, constraint verification, and atomic reasoning units to improve reliability of AI telescope scheduling decisions.
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Constraints on Late-Time Flaring from Luminous Fast Blue Optical Transients using the Transiting Exoplanet Survey Satellite and the Zwicky Transient Facility
TESS and ZTF observations of 12 LFBOTs yield no late-time flares after SSO attribution, constraining central engine lifetimes to hundreds of days or less.
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Sub-luminous Type IIP SN 2024abfl as a result of a significantly low energy Fe-core collapse
SN 2024abfl is a sub-luminous Type IIP event from a compact progenitor exploding with energy at most 0.05 foe and nickel mass 0.003 solar masses.
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Design, Testing, and Commissioning of the Sun Yat-sen University (SYSU) 80 cm Infrared Telescope
The SYSU 80 cm NIR telescope achieves background-limited performance with J ~ 17 mag in 20 s exposures, J ~ 19.4 mag in 30 min stacks, and millimagnitude precision for J ~ 14 mag variables.
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The Solar System Notification Alert Processing System (SNAPS): Public access to SNAPS data and products
SNAPS is a public data broker for moving object detections from ZTF and LSST surveys.
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Impact of Baseline, Cadence, and Host Contamination on AGN Variability Metrics: A Systematic Study with ZTF
The Stetson J index remains robust to changes in baseline, cadence, and host contamination for AGN variability, whereas the smoothness metric s shows large variations with cadence and host subtraction.
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Unraveling the mysteries of supernovae with SKA+VLBI
SKA+VLBI will enable routine mas-scale imaging of nearby extragalactic supernovae to measure shock deceleration and test explosion mechanisms.
- EP260321a/SN 2026gzf: The Faintest Shock Breakout Associated with a Broad-Lined Supernova
- Rapid and robust simulation-based inference for kilonovae