Search Results - "Okumura, Jack"
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A Mini-Neptune from TESS and CHEOPS Around the 120 Myr Old AB Dor Member HIP 94235
Published in The Astronomical journal (01-06-2022)“…Abstract The Transiting Exoplanet Survey Satellite (TESS) mission has enabled discoveries of the brightest transiting planet systems around young stars. These…”
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HD 83443c: A Highly Eccentric Giant Planet on a 22 yr Orbit
Published in The Astronomical journal (01-06-2022)“…Abstract We report the discovery of a highly eccentric long-period Jovian planet orbiting the hot-Jupiter host HD 83443. By combining radial velocity data from…”
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A dense mini-Neptune orbiting the bright young star HD 18599
Published in Monthly notices of the Royal Astronomical Society (01-01-2023)“…ABSTRACT Very little is known about the young planet population because the detection of small planets orbiting young stars is obscured by the effects of…”
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Two mini-Neptunes Transiting the Adolescent K-star HIP 113103 Confirmed with TESS and CHEOPS
Published 08-09-2023“…We report the discovery of two mini-Neptunes in near 2:1 resonance orbits ($P=7.610303$ d for HIP 113103 b and $P=14.245651$ d for HIP 113103 c) around the…”
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HD 21520 b: a warm sub-Neptune transiting a bright G dwarf
Published 13-06-2024“…We report the discovery and validation of HD 21520 b, a transiting planet found with TESS and orbiting a bright G dwarf (V=9.2, $T_{eff} = 5871 \pm 62$ K,…”
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HD 83443c: A highly eccentric giant planet on a 22-year orbit
Published 12-04-2022“…We report the discovery of a highly eccentric long-period Jovian planet orbiting the hot-Jupiter host HD\,83443. By combining radial velocity data from four…”
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A dense mini-Neptune orbiting the bright young star HD 18599
Published 14-10-2022“…Very little is known about the young planet population because the detection of small planets orbiting young stars is obscured by the effects of stellar…”
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AU Mic b is the Youngest Planet to have a Spin-Orbit Alignment Measurement
Published 13-09-2021“…We report measurements of the sky-projected spin-orbit angle for AU\,Mic\,b, a Neptune-size planet orbiting a very young ($\sim20$\,Myr) nearby pre-main…”
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A Mini-Neptune from TESS and CHEOPS Around the 120 Myr Old AB Dor member HIP 94235
Published 27-04-2022“…The TESS mission has enabled discoveries of the brightest transiting planet systems around young stars. These systems are the benchmarks for testing theories…”
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TOI-3362b: A Proto-Hot Jupiter Undergoing High-Eccentricity Tidal Migration
Published 08-09-2021“…High-eccentricity tidal migration is a possible way for giant planets to be emplaced in short-period orbits. If it commonly operates, one would expect to catch…”
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TOI-1842b: A Transiting Warm Saturn Undergoing Re-Inflation around an Evolving Subgiant
Published 01-12-2021“…The imminent launch of space telescopes designed to probe the atmospheres of exoplanets has prompted new efforts to prioritise the thousands of transiting…”
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A transiting warm giant planet around the young active star TOI-201
Published 03-03-2021“…We present the confirmation of the eccentric warm giant planet TOI-201 b, first identified as a candidate in \textit{TESS} photometry (Sectors 1-8, 10-13, and…”
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HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS
Published 29-07-2021“…We report the discovery and characterization of a transiting warm sub-Neptune planet around the nearby bright ($V=8.75$ mag, $K=7.15$ mag) solar twin HD…”
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TOI-677 b: A Warm Jupiter (P=11.2d) on an eccentric orbit transiting a late F-type star
Published 13-11-2019“…We report the discovery of TOI-677 b, first identified as a candidate in light curves obtained within Sectors 9 and 10 of the Transiting Exoplanet Survey…”
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Minerva-Australis I: Design, Commissioning, & First Photometric Results
Published 30-09-2019“…Publications of the Astronomical Society of the Pacific, Volume 131, Issue 1005, pp. 115003 (2019) The Minerva-Australis telescope array is a facility…”
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TOI-222: a single-transit TESS candidate revealed to be a 34-day eclipsing binary with CORALIE, EulerCam and NGTS
Published 13-12-2019“…We report the period, eccentricity, and mass determination for the TESS single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in…”
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TESS Spots a Compact System of Super-Earths around the Naked-Eye Star HR 858
Published 16-07-2019“…Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multi-planet system around the sixth-magnitude star HR 858 (TIC 178155732,…”
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TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association
Published 25-06-2019“…Young exoplanets are snapshots of the planetary evolution process. Planets that orbit stars in young associations are particularly important because the age of…”
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