Direct imaging discovery of β Pictoris d, a ~2.4 M_Jup planet at ~26 au with CO2-rich atmosphere, detected in multi-epoch VLT and JWST observations and consistent with bound orbital motion.
year = 2024, month = sep, volume =
7 Pith papers cite this work. Polarity classification is still indexing.
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First JWST spectroscopy of GJ 504 b detects multiple molecules, retrieves atmospheric parameters including super-solar metallicity, and finds tentative support for planet-like formation.
Experimental serial coupling of 1DDLC coronagraph and PFN achieves 3.5e-5 contrast at 6% wavelength offset, 20x better than coronagraph alone.
Tentative evidence for a super-Jupiter at 15-100 AU or brown dwarf at 20-170 AU in 51 Pegasi from RV curvature, but the signal is likely driven by Lick/Hamilton instrument drift.
JWST/MIRI imaging of Eps Ind A b prefers a double-PSF model likely due to systematics but demonstrates sensitivity to exomoons down to 1.3 M_Jup at separations >2 AU and 2.5 M_Jup at 0.52 AU.
The disk instability model remains viable for explaining giant planets that form early, at large orbital distances, and around M-dwarf stars, supported by updated simulations and observations.
citing papers explorer
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Direct Imaging Discovery of Giant Exoplanet $\beta$ Pictoris d: A Decade-Long Game of Hide-and-Seek
Direct imaging discovery of β Pictoris d, a ~2.4 M_Jup planet at ~26 au with CO2-rich atmosphere, detected in multi-epoch VLT and JWST observations and consistent with bound orbital motion.
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JWST-TST High Contrast: First Direct Spectroscopy of GJ 504 b reveals Clouds and Possible Metal Enrichment
First JWST spectroscopy of GJ 504 b detects multiple molecules, retrieves atmospheric parameters including super-solar metallicity, and finds tentative support for planet-like formation.
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Combining a Diffraction-Limited Coronagraph with Fiber Nulling: A Demonstration of Serially Coupling Different Nullers
Experimental serial coupling of 1DDLC coronagraph and PFN achieves 3.5e-5 contrast at 6% wavelength offset, 20x better than coronagraph alone.
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An Outer Giant Planet or Brown Dwarf in the 51 Pegasi System?
Tentative evidence for a super-Jupiter at 15-100 AU or brown dwarf at 20-170 AU in 51 Pegasi from RV curvature, but the signal is likely driven by Lick/Hamilton instrument drift.
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Direct Imaging Constraints on Binary Planets and Exomoons around Epsilon Indi A b
JWST/MIRI imaging of Eps Ind A b prefers a double-PSF model likely due to systematics but demonstrates sensitivity to exomoons down to 1.3 M_Jup at separations >2 AU and 2.5 M_Jup at 0.52 AU.
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Giant Planet Formation by Disk Instability
The disk instability model remains viable for explaining giant planets that form early, at large orbital distances, and around M-dwarf stars, supported by updated simulations and observations.