The TESS-Keck Survey. XVI. Mass Measurements for 12 Planets in Eight Systems

被引：8

作者：

Akana Murphy, Joseph M. ^{[1
]}

Batalha, Natalie M. ^{[1
]}

Scarsdale, Nicholas ^{[1
]}

Isaacson, Howard ^{[2
,3
]}

Ciardi, David R. ^{[4
]}

Gonzales, Erica J. ^{[1
]}

Giacalone, Steven ^{[2
]}

Twicken, Joseph D. ^{[5
,6
]}

Dattilo, Anne ^{[1
]}

Fetherolf, Tara ^{[7
]}

Rubenzahl, Ryan A. ^{[8
]}

Crossfield, Ian J. M. ^{[9
]}

Dressing, Courtney D. ^{[2
]}

Fulton, Benjamin ^{[4
]}

Howard, Andrew W. ^{[8
]}

Huber, Daniel ^{[10
]}

Kane, Stephen R. ^{[7
]}

Petigura, Erik A. ^{[11
]}

Robertson, Paul ^{[12
]}

Roy, Arpita ^{[13
,14
]}

Weiss, Lauren M. ^{[15
]}

Beard, Corey ^{[12
]}

Chontos, Ashley ^{[10
,16
]}

Dai, Fei ^{[8
,17
]}

Rice, Malena ^{[18
,19
,20
]}

Van Zandt, Judah ^{[11
]}

Lubin, Jack ^{[12
]}

Blunt, Sarah ^{[8
]}

Polanski, Alex S. ^{[9
]}

Behmard, Aida ^{[21
]}

Dalba, Paul A. ^{[1
,22
]}

Hill, Michelle L. ^{[7
]}

Rosenthal, Lee J. ^{[8
]}

Brinkman, Casey L. ^{[10
]}

Mayo, Andrew W. ^{[2
]}

Turtelboom, Emma V. ^{[23
]}

Angelo, Isabel ^{[11
,24
]}

Mocnik, Teo ^{[25
]}

Macdougall, Mason G. ^{[11
]}

Pidhorodetska, Daria ^{[7
]}

Tyler, Dakotah ^{[11
]}

Kosiarek, Molly R. ^{[1
]}

Holcomb, Rae ^{[12
]}

Louden, Emma M. ^{[20
]}

Hirsch, Lea A. ^{[26
]}

Gilbert, Emily A. ^{[27
]}

Anderson, Jay ^{[13
]}

Valenti, Jeff A. ^{[13
]}

机构：

[1] Univ Calif, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA

[2] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[3] Univ Southern Queensland, Ctr Astrophys, Toowoomba, Qld, Australia

[4] Caltech, NASA, Exoplanet Sci Inst, IPAC, Pasadena, CA 91125 USA

[5] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

[6] SETI Inst, Mountain View, CA 94043 USA

[7] Univ Calif Riverside, Dept Earth & Planetary Sci, Riverside, CA 92521 USA

[8] CALTECH, Dept Astron, Pasadena, CA 91125 USA

[9] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[10] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA

[11] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[12] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[13] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[14] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[15] Univ Notre Dame, Dept Phys & Astron, Notre Dame, IN 46556 USA

[16] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08540 USA

[17] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[18] MIT, Dept Phys, Cambridge, MA 02139 USA

[19] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA

[20] Yale Univ, Dept Astron, New Haven, CT 06511 USA

[21] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[22] SETI Inst, Carl Sagan Ctr, Mountain View, CA 94043 USA

[23] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[24] Univ Calif Los Angeles, Mani L Bhaumik Inst Theoret Phys, Los Angeles, CA 90095 USA

[25] Gemini Observ NSFs NOIRLab, Hilo, HI 96720 USA

[26] Univ Toronto, Mississauga, ON L5L 1C6, Canada

[27] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

来源：

ASTRONOMICAL JOURNAL | 2023年 / 166卷 / 04期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

RADIAL-VELOCITY; SUB-NEPTUNES; SUPER-EARTHS; ADAPTIVE OPTICS; HD; 191939; ATMOSPHERIC CHARACTERIZATION; FUNDAMENTAL PROPERTIES; ERROR-CORRECTION; STELLAR ACTIVITY; KEPLER STARS;

D O I：

10.3847/1538-3881/ace2ca

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

With JWST's successful deployment and unexpectedly high fuel reserves, measuring the masses of sub-Neptunes transiting bright, nearby stars will soon become the bottleneck for characterizing the atmospheres of small exoplanets via transmission spectroscopy. Using a carefully curated target list and observations from more than 2 yr of APF-Levy and Keck-HIRES Doppler monitoring, the TESS-Keck Survey is working toward alleviating this pressure. Here we present mass measurements for 11 transiting planets in eight systems that are particularly suited to atmospheric follow-up with JWST. We also report the discovery and confirmation of a temperate super-Jovian-mass planet on a moderately eccentric orbit. The sample of eight host stars, which includes one subgiant, spans early-K to late-F spectral types (T eff = 5200-6200 K). We homogeneously derive planet parameters using a joint photometry and radial velocity modeling framework, discuss the planets' possible bulk compositions, and comment on their prospects for atmospheric characterization.

引用

页数：48

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