Search Results - "Essack, Zahra"
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Low-albedo Surfaces of Lava Worlds
Published in The Astrophysical journal (01-08-2020)“…Hot super-Earths are exoplanets with short orbital periods (<10 days), heated by their host stars to temperatures high enough for their rocky surfaces to…”
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LHS 475 b: A Potential Venus Analog Orbiting a Nearby M Dwarf
Published in The Astronomical journal (01-05-2024)“…Abstract Based on photometric observations by TESS, we present the discovery of a potential Venus analog transiting LHS 475, an M3 dwarf located 12.5 pc from…”
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Early Results from the HUMDRUM Survey: A Small, Earth-mass Planet Orbits TOI-1450A
Published in The Astronomical journal (01-08-2024)“…Abstract M-dwarf stars provide us with an ideal opportunity to study nearby small planets. The HUnting for M Dwarf Rocky planets Using MAROON-X (HUMDRUM)…”
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HD 222237 b: a long-period super-Jupiter around a nearby star revealed by radial-velocity and Hipparcos–Gaia astrometry
Published in Monthly notices of the Royal Astronomical Society (15-10-2024)“…ABSTRACT Giant planets on long-period orbits around the nearest stars are among the easiest to directly image. Unfortunately these planets are difficult to…”
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TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars
Published in Monthly notices of the Royal Astronomical Society (01-10-2024)“…ABSTRACT Short-period gas giant planets have been shown to be significantly rarer for host stars less massive than the Sun. We report the discovery of two…”
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Gliese 12 b, a temperate Earth-sized planet at 12 parsecs discovered with TESS and CHEOPS
Published in Monthly notices of the Royal Astronomical Society (01-06-2024)“…ABSTRACT We report on the discovery of Gliese 12 b, the nearest transiting temperate, Earth-sized planet found to date. Gliese 12 is a bright (V = 12.6 mag,…”
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TOI-1075 b: A Dense, Massive, Ultra-short-period Hot Super-Earth Straddling the Radius Gap
Published in The Astronomical journal (01-02-2023)“…Abstract Populating the exoplanet mass–radius diagram in order to identify the underlying relationship that governs planet composition is driving an…”
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GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc
Published in The Astronomical journal (01-06-2024)“…Abstract We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566 ± 0.014 R ⊕ (1.064 ± 0.026 times the radius of Mars) and an orbital…”
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Low Albedo Surfaces of Lava Worlds
Published 06-08-2020“…ApJ 898, 2 (2020) Hot super Earths are exoplanets with short orbital periods ($<$ 10 days), heated by their host stars to temperatures high enough for their…”
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10
HD 222237 b: a long period super-Jupiter around a nearby star revealed by radial-velocity and Hipparcos-Gaia astrometry
Published 12-09-2024“…Giant planets on long period orbits around the nearest stars are among the easiest to directly image. Unfortunately these planets are difficult to fully…”
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Journal Article -
11
LHS 475 b: A Venus-sized Planet Orbiting a Nearby M Dwarf
Published 04-04-2023“…Based on photometric observations by TESS, we present the discovery of a Venus-sized planet transiting LHS 475, an M3 dwarf located 12.5 pc from the Sun. The…”
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GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc
Published 25-07-2024“…AJ, 167, 283 (2024) We report the discovery of the transiting planet GJ 238 b, with a radius of $0.566\pm0.014$ R$_{\oplus}$ ($1.064\pm0.026$ times the radius…”
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Gliese 12 b, A Temperate Earth-sized Planet at 12 Parsecs Discovered with TESS and CHEOPS
Published 21-05-2024“…We report on the discovery of Gliese 12 b, the nearest transiting temperate, Earth-sized planet found to date. Gliese 12 is a bright ($V=12.6$ mag, $K=7.8$…”
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14
TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars
Published 02-09-2024“…Short-period gas giant planets have been shown to be significantly rarer for host stars less massive than the Sun. We report the discovery of two transiting…”
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A Uniform Search for Nearby Planetary Companions to Hot Jupiters in TESS Data Reveals Hot Jupiters are Still Lonely
Published 18-09-2021“…We present the results of a uniform search for additional planets around all stars with confirmed hot Jupiters observed by the Transiting Exoplanet Survey…”
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TOI-1695 b: A Water World Orbiting an Early M Dwarf in the Planet Radius Valley
Published 13-02-2023“…Characterizing the bulk compositions of transiting exoplanets within the M dwarf radius valley offers a unique means to establish whether the radius valley…”
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TESS Discovery of Twin Planets near 2:1 Resonance around Early M-Dwarf TOI 4342
Published 03-01-2023“…With data from the Transiting Exoplanet Survey Satellite (TESS), we showcase improvements to the MIT Quick-Look Pipeline (QLP) through the discovery and…”
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TOI-4010: A System of Three Large Short-Period Planets With a Massive Long-Period Companion
Published 19-06-2023“…AJ, 166, 7 (2023) We report the confirmation of three exoplanets transiting TOI-4010 (TIC-352682207), a metal-rich K dwarf observed by TESS in Sectors 24, 25,…”
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TOI-1075 b: A Dense, Massive, Ultra-Short Period Hot Super-Earth Straddling the Radius Gap
Published 26-10-2022“…Populating the exoplanet mass-radius diagram in order to identify the underlying relationship that governs planet composition is driving an interdisciplinary…”
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TESS discovery of a super-Earth and two sub-Neptunes orbiting the bright, nearby, Sun-like star HD 22946
Published 20-09-2022“…A&A 668, A85 (2022) We report the Transiting Exoplanet Survey Satellite (TESS) discovery of a three-planet system around the bright Sun-like star…”
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