The TESS-Keck Survey. XI. Mass Measurements for Four Transiting Sub-Neptunes Orbiting K Dwarf TOI-1246

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Fältnamn	Indikatorer	Metadata
000		09594naa a2201309 4500
001		oai:research.chalmers.se:26fd897c-c96e-4510-b3b5-cef462283c16
003		SwePub
008		220609s2022 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://doi.org/10.3847/1538-3881/ac69e52 DOI
024	7	a https://research.chalmers.se/publication/5307542 URI
040		a (SwePub)cth
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Turtelboom,u University of California at Berkeley4 aut
245	1 0	a The TESS-Keck Survey. XI. Mass Measurements for Four Transiting Sub-Neptunes Orbiting K Dwarf TOI-1246
264		c 2022-05-25
264	1	b American Astronomical Society,c 2022
338		a electronic2 rdacarrier
520		a Multiplanet systems are valuable arenas for investigating exoplanet architectures and comparing planetary siblings. TOI-1246 is one such system, with a moderately bright K dwarf (V = 11.6, K = 9.9) and four transiting sub-Neptunes identified by TESS with orbital periods of 4.31, 5.90, 18.66, and 37.92 days. We collected 130 radial velocity observations with Keck/HIRES and TNG/HARPS-N to measure planet masses. We refit the 14 sectors of TESS photometry to refine planet radii (2.97 +/- 0.06 R (circle plus), 2.47 +/- 0.08 R (circle plus), 3.46 +/- 0.09 R (circle plus), and 3.72 +/- 0.16 R (circle plus)) and confirm the four planets. We find that TOI-1246 e is substantially more massive than the three inner planets (8.1 +/- 1.1 M (circle plus), 8.8 +/- 1.2 M (circle plus), 5.3 +/- 1.7 M (circle plus), and 14.8 +/- 2.3 M (circle plus)). The two outer planets, TOI-1246 d and TOI-1246 e, lie near to the 2:1 resonance (P (e)/P ( d ) = 2.03) and exhibit transit-timing variations. TOI-1246 is one of the brightest four-planet systems, making it amenable for continued observations. It is one of only five systems with measured masses and radii for all four transiting planets. The planet densities range from 0.70 +/- 0.24 to 3.21 +/- 0.44 g cm(-3), implying a range of bulk and atmospheric compositions. We also report a fifth planet candidate found in the RV data with a minimum mass of 25.6 +/- 3.6 M (circle plus). This planet candidate is exterior to TOI-1246 e, with a candidate period of 93.8 days, and we discuss the implications if it is confirmed to be planetary in nature.
650	7	a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
650	7	a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng
650	7	a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
700	1	a Weiss, Lauren M.u University of Notre Dame4 aut
700	1	a Dressing, Courtney D.u University of California at Berkeley4 aut
700	1	a Nowak, Grzegorzu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700	1	a Palle, Enricu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700	1	a Beard, Coreyu University of California at Irvine (UCI)4 aut
700	1	a Blunt, Sarahu California Institute of Technology (Caltech)4 aut
700	1	a Brinkman, Caseyu University of Hawaii4 aut
700	1	a Chontos, Ashleyu University of Hawaii4 aut
700	1	a Claytor, Zachary R.u University of Hawaii4 aut
700	1	a Dai, Feiu California Institute of Technology (Caltech)4 aut
700	1	a Dalba, Paul A.4 aut
700	1	a Giacalone, Stevenu University of California at Berkeley4 aut
700	1	a Gonzales, Erica4 aut
700	1	a Harada, Caleb K.u University of California at Berkeley4 aut
700	1	a Hill, Michelle L.4 aut
700	1	a Holcomb, Raeu University of California at Irvine (UCI)4 aut
700	1	a Korth, Judith,d 1987u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)korth
700	1	a Lubin, Jacku University of California at Irvine (UCI)4 aut
700	1	a Masseron, Thomasu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700	1	a MacDougall, Masonu University of California at Los Angeles (UCLA)4 aut
700	1	a Mayo, Andrew W.u Köpenhamns universitet,University of Copenhagen,University of California at Berkeley4 aut
700	1	a Mocnik, Teo4 aut
700	1	a Murphy, Joseph M. Akana4 aut
700	1	a Polanski, Alex S.u University of Kansas4 aut
700	1	a Rice, Malenau Yale University4 aut
700	1	a Rubenzahl, Ryan A.u California Institute of Technology (Caltech)4 aut
700	1	a Scarsdale, Nicholas4 aut
700	1	a Stassun, Keivan G.u Vanderbilt University4 aut
700	1	a Tyler, Dakotah B.u University of California at Los Angeles (UCLA)4 aut
700	1	a Van Zandt, Judahu University of California at Los Angeles (UCLA)4 aut
700	1	a Crossfield, Ian J. M.u University of Kansas4 aut
700	1	a Deeg, Hans J.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700	1	a Fulton, Benjaminu California Institute of Technology (Caltech)4 aut
700	1	a Gandolfi, Davideu Universita degli Studi di Torino,University of Turin4 aut
700	1	a Howard, Andrew W.u California Institute of Technology (Caltech)4 aut
700	1	a Huber, Danu University of Hawaii4 aut
700	1	a Isaacson, Howardu University of California at Berkeley,University of Southern Queensland4 aut
700	1	a Kane, Stephen R.4 aut
700	1	a Lam, Kristine W. F.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut
700	1	a Luque, Rafaelu Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut
700	1	a Martin, Eduardo L.u Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council,Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut
700	1	a Morello, Giuseppeu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700	1	a Orell-Miquel, Jaumeu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut
700	1	a Petigura, Erik A.u University of California at Los Angeles (UCLA)4 aut
700	1	a Robertson, Paulu University of California at Irvine (UCI)4 aut
700	1	a Roy, Arpitau Johns Hopkins University,Space Telescope Science Institute (STScI)4 aut
700	1	a Van Eylen, Vincentu University College London (UCL)4 aut
700	1	a Baker, David4 aut
700	1	a Belinski, Alexander A.u M. V. Lomonosov Moscow State University4 aut
700	1	a Bieryla, Allysonu Harvard-Smithsonian Center for Astrophysics4 aut
700	1	a Ciardi, David R.u California Institute of Technology (Caltech)4 aut
700	1	a Collins, Karen A.u Harvard-Smithsonian Center for Astrophysics4 aut
700	1	a Cutting, Neil4 aut
700	1	a Della-Rose, Devin J.u United States Air Force Academy4 aut
700	1	a Ellingsen, Taylor B.u George Mason University4 aut
700	1	a Furlan, E.u California Institute of Technology (Caltech)4 aut
700	1	a Gan, Tianjunu Tsinghua University4 aut
700	1	a Gnilka, Crystal L.u NASA Ames Research Center,California Institute of Technology (Caltech)4 aut
700	1	a Guerra, Pere4 aut
700	1	a Howell, Steve B.u NASA Ames Research Center4 aut
700	1	a Jimenez, Maryu George Mason University4 aut
700	1	a Latham, David W.u Harvard-Smithsonian Center for Astrophysics4 aut
700	1	a Lariviere, Maudeu Université de Montréal,McGill University4 aut
700	1	a Lester,u NASA Ames Research Center4 aut
700	1	a Lillo-Box, Jorgeu Centro de Astrobiologia (CAB)4 aut
700	1	a Luker, Lindy4 aut
700	1	a Mann, Christopher R.u Université de Montréal4 aut
700	1	a Plavchan, Peter P.u George Mason University4 aut
700	1	a Safonov, Borisu M. V. Lomonosov Moscow State University4 aut
700	1	a Skinner, Brett4 aut
700	1	a Strakhov, Ivan A.u M. V. Lomonosov Moscow State University4 aut
700	1	a Wittrock, Justin M.u George Mason University4 aut
700	1	a Caldwell, Douglas A.u SETI Institute4 aut
700	1	a Essack, Zahrau Massachusetts Institute of Technology (MIT)4 aut
700	1	a Jenkins, Jon M.u NASA Ames Research Center4 aut
700	1	a Quintana,u NASA Goddard Space Flight Center4 aut
700	1	a Ricker, George R.u Massachusetts Institute of Technology (MIT)4 aut
700	1	a Vanderspek, Rolandu Massachusetts Institute of Technology (MIT)4 aut
700	1	a Seager, S.u Massachusetts Institute of Technology (MIT)4 aut
700	1	a Winn, Joshua N.u Princeton University4 aut
710	2	a University of California at Berkeleyb University of Notre Dame4 org
773	0	t Astronomical Journald : American Astronomical Societyg 163:6q 163:6x 1538-3881x 0004-6256
856	4	u https://research.chalmers.se/publication/530754/file/530754_Fulltext.pdfx primaryx freey FULLTEXT
856	4 8	u https://doi.org/10.3847/1538-3881/ac69e5
856	4 8	u https://research.chalmers.se/publication/530754

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Av författaren/redakt...: Turtelboom,; Weiss, Lauren M.; Dressing, Courtn ...; Nowak, Grzegorz; Palle, Enric; Beard, Corey; visa fler...; Blunt, Sarah; Brinkman, Casey; Chontos, Ashley; Claytor, Zachary ...; Dai, Fei; Dalba, Paul A.; Giacalone, Steve ...; Gonzales, Erica; Harada, Caleb K.; Hill, Michelle L ...; Holcomb, Rae; Korth, Judith, 1 ...; Lubin, Jack; Masseron, Thomas; MacDougall, Maso ...; Mayo, Andrew W.; Mocnik, Teo; Murphy, Joseph M ...; Polanski, Alex S ...; Rice, Malena; Rubenzahl, Ryan ...; Scarsdale, Nicho ...; Stassun, Keivan ...; Tyler, Dakotah B ...; Van Zandt, Judah; Crossfield, Ian ...; Deeg, Hans J.; Fulton, Benjamin; Gandolfi, Davide; Howard, Andrew W ...; Huber, Dan; Isaacson, Howard; Kane, Stephen R.; Lam, Kristine W. ...; Luque, Rafael; Martin, Eduardo ...; Morello, Giusepp ...; Orell-Miquel, Ja ...; Petigura, Erik A ...; Robertson, Paul; Roy, Arpita; Van Eylen, Vince ...; Baker, David; Belinski, Alexan ...; Bieryla, Allyson; Ciardi, David R.; Collins, Karen A ...; Cutting, Neil; Della-Rose, Devi ...; Ellingsen, Taylo ...; Furlan, E.; Gan, Tianjun; Gnilka, Crystal ...; Guerra, Pere; Howell, Steve B.; Jimenez, Mary; Latham, David W.; Lariviere, Maude; Lester,; Lillo-Box, Jorge; Luker, Lindy; Mann, Christophe ...; Plavchan, Peter ...; Safonov, Boris; Skinner, Brett; Strakhov, Ivan A ...; Wittrock, Justin ...; Caldwell, Dougla ...; Essack, Zahra; Jenkins, Jon M.; Quintana,; Ricker, George R ...; Vanderspek, Rola ...; Seager, S.; Winn, Joshua N.; visa färre...

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