559 citations · 1k across the 28 of their papers we have counts for
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Searching for substellar companion candidates with Gaia. V. M dwarfs within 15 pc studied with absolute astrometry, radial velocities, and direct imaging
F. Destriez, A. -M. Lagrange, G. Hébrard +10
In this work, we survey M-type stars within 15 pc observed by Gaia based on their colour, magnitude, and quality of astrometric data. We aim to detect new substellar companions usi…
NIRCam yells at cloud: JWST MIRI imaging can directly detect exoplanets of the same temperature, mass, age, and orbital separation as Saturn and Jupiter
Rachel Bowens-Rubin, James Mang, Mary Anne Limbach +9
NIRCam and MIRI coronagraphy have successfully demonstrated the ability to directly image young sub-Jupiter mass and mature gas-giant exoplanets. However, these modes struggle to r…
The Keck-HGCA Pilot Survey II: Direct Imaging Discovery of HD 63754 B, a ~20 au Massive Companion Near the Hydrogen Burning Limit
Yiting Li, Timothy D. Brandt, Kyle Franson +15
We present the joint astrometric and direct imaging discovery, mass measurement, and orbital analysis of HD 63754 B (HIP 38216 B), a companion near the stellar-substellar boundary…
JWST/NIRCam 4-5 m Imaging of the Giant Planet AF Lep b
Kyle Franson, William O. Balmer, Brendan P. Bowler +23
With a dynamical mass of , the recently discovered giant planet AF Lep b is the lowest-mass imaged planet with a direct mass measurement. Its youth and spectra…
A Wolf 359 in sheep's clothing: Hunting for substellar companions in the fifth-closest system using combined high-contrast imaging and radial velocity analysis
Rachel Bowens-Rubin, Joseph M. Akana Murphy, Philip M. Hinz +16
Wolf 359 (CN Leo, GJ 406, Gaia DR3 3864972938605115520) is a low-mass star in the fifth-closest neighboring system (2.41 pc). Because of its relative youth and proximity, Wolf 359…
Zodiacal Exoplanets in Time (ZEIT) XII: A Directly-Imaged Planetary-Mass Companion to a Young Taurus M Dwarf Star
E. Gaidos, T. Hirano, A. L. Kraus +21
We report the discovery of a resolved (0".9) substellar companion to a member of the 1-5 Myr Taurus star-forming region. The host star (2M0437) is a single mid-M type ($T_{eff}\app…
A Hot Saturn Near (but unassociated with) the Open Cluster NGC 1817
Rayna Rampalli, Andrew Vanderburg, Allyson Bieryla +14
We report on the discovery of a hot Saturn-sized planet (9.916 +/- 0.985 R_earth) around a late F star, EPIC 246865365, observed in Campaign 13 of the K2 mission. We began studying…
LASSO: Large Adaptive optics Survey for Substellar Objects using the new SAPHIRA detector on Robo-AO
Maissa Salama, James Ou, Christoph Baranec +13
We report on initial results from the largest infrared AO direct imaging survey searching for wide orbit (>100 AU) massive exoplanets and brown dwarfs as companions around young ne…
Robo-AO Kepler Survey V: The effect of physically associated stellar companions on planetary systems
Carl Ziegler, Nicholas M. Law, Christoph Baranec +7
The Kepler light curves used to detect thousands of planetary candidates are susceptible to dilution due to blending with previously unknown nearby stars. With the automated laser…
Robo-AO Kepler Survey IV: the effect of nearby stars on 3857 planetary candidate systems
Carl Ziegler, Nicholas M. Law, Christoph Baranec +7
We present the overall statistical results from the Robo-AO Kepler planetary candidate survey, comprising of 3857 high-angular resolution observations of planetary candidate system…
EPIC 228735255b - An eccentric 6.57 day transiting hot Jupiter in Virgo
H. A. C. Giles, D. Bayliss, N. Espinoza +25
We present the discovery of EPIC 228735255b, a P= 6.57 days Jupiter-mass (M=1.0190.070 M) planet transiting a V=12.5 (G5-spectral type) star in an eccentric orbit…
Ultra Short Period Planets in K2 with companions: a double transiting system for EPIC 220674823
Elisabeth R. Adams, Brian Jackson, Michael Endl +10
Two transiting planets have been identified orbiting K2 target EPIC 220674823. One object is an ultra-short-period planet (USP) with a period of just 0.57 days (13.7 hours), while…
Two Small Planets Transiting HD 3167
Andrew Vanderburg, Allyson Bieryla, Dmitry A. Duev +10
We report the discovery of two super-Earth-sized planets transiting the bright (V = 8.94, K = 7.07) nearby late G-dwarf HD 3167, using data collected by the K2 mission. The inner p…
Five Planets Transiting a Ninth Magnitude Star
Andrew Vanderburg, Juliette C. Becker, Martti H. Kristiansen +15
The Kepler mission has revealed a great diversity of planetary systems and architectures, but most of the planets discovered by Kepler orbit faint stars. Using new data from the K2…
Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager
B. Macintosh, J. R. Graham, T. Barman +85
Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric composition and luminosity, which is influenced by their formation mechani…