TOI-4010: A System of Three Large Short-Period Planets With a Massive Long-Period Companion
TOI-4010: A System of Three Large Short-Period Planets With a Massive Long-Period Companion
We report the confirmation of three exoplanets transiting TOI-4010 (TIC-352682207), a metal-rich K dwarf observed by TESS in Sectors 24, 25, 52, and 58. We confirm these planets with HARPS-N radial velocity observations and measure their masses with 8 - 12% precision. TOI-4010 b is a sub-Neptune ($P = 1.3$ days, $R_{p} = 3.02_{-0.08}^{+0.08}~R_{\oplus}$, $M_{p} = 11.00_{-1.27}^{+1.29}~M_{\oplus}$) in the hot Neptune desert, and is one of the few such planets with known companions. Meanwhile, TOI-4010 c ($P = 5.4$ days, $R_{p} = 5.93_{-0.12}^{+0.11}~R_{\oplus}$, $M_{p} = 20.31_{-2.11}^{+2.13}~M_{\oplus}$) and TOI-4010 d ($P = 14.7$ days, $R_{p} = 6.18_{-0.14}^{+0.15}~R_{\oplus}$, $M_{p} = 38.15_{-3.22}^{+3.27}~M_{\oplus}$) are similarly-sized sub-Saturns on short-period orbits. Radial velocity observations also reveal a super-Jupiter-mass companion called TOI-4010 e in a long-period, eccentric orbit ($P \sim 762$ days and $e \sim 0.26$ based on available observations). TOI-4010 is one of the few systems with multiple short-period sub-Saturns to be discovered so far.
Francesco Pepe、M. Ryleigh Davis、Mario Damasso、David R. Ciardi、Mark E. Rose、Hannah M. Lewis、Enric Palle、Boris S. Safonov、Jon M. Jenkins、Elise Evans、Jay Baptista、Karen A. Collins、Matteo Pinamonti、Thomas G. Wilson、Roland Vanderspek、Khalid Barkaoui、Andrew Vanderburg、Andrew Collier Cameron、Pau Bosch-Cabot、St¨|phane Udry、Maria V. Goliguzova、Paul Benni、Pere Guerra、Mercedes L¨?pez-Morales、David W. Latham、A. F. Martnez Fiorenzano、Michelle Kunimoto、Jack J. Lissauer、Avi Shporer、Allyson Bieryla、Jes¨2s Maldonado、Samuel N. Quinn、Rosario Cosentino、George R. Ricker、Michel Mayor、R. D. Haywood、Adriano Ghedina、Florian Lienhard、Laura Affer、Keivan G. Stassun、Trent J. Dupuy、Kevin I. Collins、Felipe Murgas、Sara Seager、Joshua Winn、Ken Rice、Adam Kraus、Xavier Dumusque、David Charbonneau、Chelsea X. Huang、Zahra Essack、Ennio Poretti、Juliette Becker、Alessandro Sozzetti、Richard P. Schwarz、Daniel Huber
天文学
Francesco Pepe,M. Ryleigh Davis,Mario Damasso,David R. Ciardi,Mark E. Rose,Hannah M. Lewis,Enric Palle,Boris S. Safonov,Jon M. Jenkins,Elise Evans,Jay Baptista,Karen A. Collins,Matteo Pinamonti,Thomas G. Wilson,Roland Vanderspek,Khalid Barkaoui,Andrew Vanderburg,Andrew Collier Cameron,Pau Bosch-Cabot,St¨|phane Udry,Maria V. Goliguzova,Paul Benni,Pere Guerra,Mercedes L¨?pez-Morales,David W. Latham,A. F. Martnez Fiorenzano,Michelle Kunimoto,Jack J. Lissauer,Avi Shporer,Allyson Bieryla,Jes¨2s Maldonado,Samuel N. Quinn,Rosario Cosentino,George R. Ricker,Michel Mayor,R. D. Haywood,Adriano Ghedina,Florian Lienhard,Laura Affer,Keivan G. Stassun,Trent J. Dupuy,Kevin I. Collins,Felipe Murgas,Sara Seager,Joshua Winn,Ken Rice,Adam Kraus,Xavier Dumusque,David Charbonneau,Chelsea X. Huang,Zahra Essack,Ennio Poretti,Juliette Becker,Alessandro Sozzetti,Richard P. Schwarz,Daniel Huber.TOI-4010: A System of Three Large Short-Period Planets With a Massive Long-Period Companion[EB/OL].(2023-06-08)[2025-05-26].https://arxiv.org/abs/2306.05308.点此复制
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