TOI-3714 b and TOI-3629 b: Two Gas Giants Transiting M Dwarfs Confirmed with the Habitable-zone Planet Finder and NEID
TOI-3714 b and TOI-3629 b: Two Gas Giants Transiting M Dwarfs Confirmed with the Habitable-zone Planet Finder and NEID
复制标题
DOI：
10.3847/1538-3881/ac7804
复制
发表时间：
2022-01
期刊：
影响因子：
--
通讯作者：
C. Cañas;S. Kanodia;C. Bender;S. Mahadevan;G. Stef'ansson;W. Cochran;Andrea S. J. Lin;Luke Powers;A. Monson;E. Green;B. Parker;T. Swaby;H. Kobulnicky;J. Wisniewski;Arvind F. Gupta;M. Everett;Sinclaire Jones;Benjamin Anjakos;C. Beard;C. Blake;S. Diddams;Zehao Dong;C. Fredrick;Elnaz Hakemiamjad;L. Hebb;J. Libby-Roberts;S. Logsdon;M. McElwain;A. Metcalf;J. Ninan;J. Rajagopal;L. Ramsey;Paul Robertson;Arpita Roy;J. Ruhle;C. Schwab;R. Terrien;J. Wright
中科院分区：
文献类型：
--
作者：
C. Cañas;S. Kanodia;C. Bender;S. Mahadevan;G. Stef'ansson;W. Cochran;Andrea S. J. Lin;Luke Powers;A. Monson;E. Green;B. Parker;T. Swaby;H. Kobulnicky;J. Wisniewski;Arvind F. Gupta;M. Everett;Sinclaire Jones;Benjamin Anjakos;C. Beard;C. Blake;S. Diddams;Zehao Dong;C. Fredrick;Elnaz Hakemiamjad;L. Hebb;J. Libby-Roberts;S. Logsdon;M. McElwain;A. Metcalf;J. Ninan;J. Rajagopal;L. Ramsey;Paul Robertson;Arpita Roy;J. Ruhle;C. Schwab;R. Terrien;J. Wright
我们确认了凌日系外行星调查卫星发现的两颗气体巨星的行星性质，它们是凌日M矮星。TOI-3714(V=15.24，J=11.74)是一颗M2矮星，拥有一颗热木星(Mp=0.70±0.03MJ，Rp=1.01±0.03RJ)，轨道周期为2.154849±0.000001天，并伴有一颗白矮星。TOI-36 2 9(V=14.6 3，J=11.42)是一颗M1矮星，其轨道周期为3.936551−0.000006+0.000005天，Mp=0.2 6±0.0 2MJ，Rp=0.74±0.0 2RJ。我们结合了地面和空间的测光、散斑成像和来自宜居带行星发现者和Neid光谱仪的高精度测速技术，对每个凌日伙伴进行了表征。随着这两个系统的发现，目前已知有九颗M矮星拥有凌日热木星。其中，TOI-3714b(T eq=750±20K，Tsm=98±7)和TOI-3629b(T eq=690±20K，Tsm=80±9)是热气巨星，可以用透射谱进行额外的表征来探测大气化学，对于TOI-3714，可以通过倾角测量来探测形成情景。
We confirm the planetary nature of two gas giants discovered by the Transiting Exoplanet Survey Satellite to transit M dwarfs. TOI-3714 (V = 15.24, J = 11.74) is an M2 dwarf hosting a hot Jupiter (M p = 0.70 ± 0.03 M J and R p = 1.01 ± 0.03 R J ) on an orbital period of 2.154849 ± 0.000001 days with a resolved white dwarf companion. TOI-3629 (V = 14.63, J = 11.42) is an M1 dwarf hosting a hot Jupiter (M p = 0.26 ± 0.02 M J and R p =0.74 ± 0.02 R J ) on an orbital period of 3.936551−0.000006+0.000005 days. We characterize each transiting companion using a combination of ground-based and space-based photometry, speckle imaging, and high-precision velocimetry from the Habitable-zone Planet Finder and the NEID spectrographs. With the discovery of these two systems, there are now nine M dwarfs known to host transiting hot Jupiters. Among this population, TOI-3714 b (T eq = 750 ± 20 K and TSM = 98 ± 7) and TOI-3629 b (T eq = 690 ± 20 K and TSM = 80 ± 9) are warm gas giants amenable to additional characterization with transmission spectroscopy to probe atmospheric chemistry and, for TOI-3714, obliquity measurements to probe formation scenarios.