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The young HD 73583 (TOI-560) planetary system: two 10-M_Earth mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

Barragán, O. and Armstrong, D. J. and Gandolfi, D. and Carleo, I. and Vidotto, A. A. and Villarreal D'Angelo, C. and Oklopčić, A. and Isaacson, H. and Oddo, D. and Collins, K. A. and Fridlund, M. and Sousa, S. G. and Persson, C. M. and Hellier, C. and Howell, S.B. and Howard, A. W. and Redfield, S. and Eisner, N. and Georgieva, I. Y. and Dragomir, D. and Bayliss, D. and Nielsen, L. D. and Klein, B. and Aigrain, S. and Zhang, M. and Teske, J. and Twicken, J. D. and Jenkins, J. M. and Esposito, M. and Van Eylen, V. and Rodler, F. and Adibekyan, V. and Alarcon, J. and Anderson, D. R. and Akana Murphy, Joseph M. and Barrado, D. and Barros, S. C. C. and Benneke, B. and Bouchy, F. and Bryant, E.M. and Butler, R. Paul and Burt, J. and Cabrera Perez, Juan and Casewell, S and Chaturvedi, P. and Cloutier, R. and Cochran, W. D. and Crane, J. and Crossfield, I.J.M. and Crouzet, N. and Collins, K. I. and Dai, F. and Deeg, H. J. and Deline, A. and Demangeon, O. D. S. and Dumusque, X. and Figueira, P. and Furlan, E. and Gnilka, C. and Goad, M.R. and Goffo, E. and Gutiérrez-Canales, F. and Hadjigeorghiou, A. and Hartman, Z. and Hatzes, A. P. and Harris, M. and Henderson, B. and Hirano, T. and Hojjatpanah, S. and Hoyer, S. and Kabáth, P. and Korth, J. and Lillo-Box, J. and Luque, R. and Marmier, M. and Mocnik, Teo and Muresan, A. and Murgas, F. and Nagel, E. and Osborne, H. L. M. and Osborn, Ares and Osborn, H. P. and Palle, E. and Raimbault, M. and Ricker, G.R. and Rubenzahl, Ryan A. and Stockdale, C. and Santos, N. C. and Scott, N. and Schwarz, R. P. and Shectman, S. and Raimbault, M. and Seager, S. and Ségransan, D. and Serrano, L. M. and Skarka, M. and Smith, Alexis M S and Subjak, J. and Tan, T. G. and Udry, S. and Watson, C. A. and Wheatley, P. J. and West, R. G. and Winn, J. N. and Wang, S. X. and Wolfgang, A. and Ziegler, C. (2022) The young HD 73583 (TOI-560) planetary system: two 10-M_Earth mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf. Monthly Notices of the Royal Astronomical Society, 514 (2), pp. 1606-1627. Oxford University Press. doi: 10.1093/mnras/stac638. ISSN 0035-8711.

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Official URL: https://academic.oup.com/mnras/article/514/2/1606/6548902

Abstract

We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star HD73583 (TOI-560). We perform an intensive spectroscopic and photometric space- and ground-based follow-up in order to confirm and characterize the system. We found that HD73583 is a young (~500 Myr) active star with a rotational period of 12.08 ± 0.11 d, and a mass and radius of 0.73 ± 0.02 M⊙ and 0.65 ± 0.02 R⊙, respectively. HD 73583 b (Pb = 6.3980420+0.0000067−0.0000062 d) has a mass and radius of 10.2+3.4−3.1 M⊕ and 2.79 ± 0.10 R⊕, respectively, which gives a density of 2.58+0.95−0.81 gcm−3. HD 73583 c (Pc = 18.87974+0.00086−0.00074 d) has a mass and radius of 9.7+1.8−1.7 M⊕ and 2.39+0.10−0.09 R⊕, respectively, which translates to a density of 3.88+0.91−0.80 gcm−3. Both planets are consistent with worlds made of a solid core surrounded by a volatile envelope. Because of their youth and host star brightness, they both are excellent candidates to perform transmission spectroscopy studies. We expect ongoing atmospheric mass-loss for both planets caused by stellar irradiation. We estimate that the detection of evaporating signatures on H and He would be challenging, but doable with present and future instruments.

Item URL in elib:https://elib.dlr.de/187312/
Document Type:Article
Title:The young HD 73583 (TOI-560) planetary system: two 10-M_Earth mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Barragán, O.Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford, OX1 3RH, UKUNSPECIFIED
Armstrong, D. J.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIED
Gandolfi, D.Dipartimento di Fisica, Universita degli Studi di Torino, via Pietro Giuria 1, 10125, Torino, Italyhttps://orcid.org/0000-0001-8627-9628
Carleo, I.Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT, 06459, USAUNSPECIFIED
Vidotto, A. A.Leiden Observatory, Leiden University, PO Box 9513, NL-2300 RA Leiden, the NetherlandsUNSPECIFIED
Villarreal D'Angelo, C.Instituto de Astronomía Teórica y Experimental (CONICET - UNC). Laprida 854, X500 BGR. Córdoba, ArgentinaUNSPECIFIED
Oklopčić, A.Anton Pannekoek Institute for Astronomy, University of Amsterdam, Science Park 904, NL-1098 XH Amsterdam, the NetherlandsUNSPECIFIED
Isaacson, H.501 Campbell Hall, University of California at Berckeley, Berkeley, CA 94720, USAUNSPECIFIED
Oddo, D.Department of Physics and Astronomy, University of New Mexico, 1919 Lomas Blvd NE, Albuquerque, NM 87131, USAUNSPECIFIED
Collins, K. A.Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAUNSPECIFIED
Fridlund, M.Leiden Observatory, Leiden University, 2333CA Leiden, The Netherlands; Chalmers University of Technology, Department of Space, Earth and Environment, Onsala Space Observatory, SE-439 92 Onsala, Sweden; Instituto de Astrofísica de Canarias (IAC), 38205 Lahttps://orcid.org/0000-0002-0855-8426
Sousa, S. G.Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, PortugalUNSPECIFIED
Persson, C. M.Department of Earth and Space Sciences, Chalmers University of Technology, Onsala Space Observatory, 439 92, Onsala, SwedenUNSPECIFIED
Hellier, C.Astrophysics Group, Lennard-Jones Laboratories, Keele University, Keele, Staffordshire, ST5 5BG, UKUNSPECIFIED
Howell, S.B.Space Science & Astrobiology Division, NASA Ames ResearchCenter, Moffett Field, CA 94035, USAUNSPECIFIED
Howard, A. W.Department of Astronomy, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Redfield, S.Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT 06459, USAUNSPECIFIED
Eisner, N.Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford OX1 3RH, UKUNSPECIFIED
Georgieva, I. Y.Department of Earth and Space Sciences, Chalmers University of Technology, Onsala Space Observatory, 439 92, Onsala, SwedenUNSPECIFIED
Dragomir, D.Department of Physics and Astronomy, University of New Mexico, 1919 Lomas Blvd NE, Albuquerque, NM 87131, USAUNSPECIFIED
Bayliss, D.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIED
Nielsen, L. D.Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford OX1 3RH, UK; Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Klein, B.Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford OX1 3RH, UKUNSPECIFIED
Aigrain, S.Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford OX1 3RH, UKUNSPECIFIED
Zhang, M.Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USAUNSPECIFIED
Teske, J.The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USAUNSPECIFIED
Twicken, J. D.NASA Ames Research Center, Moffett Field, CA 94035, USA; SETI Institute, Mountain View, CA 94043, USAUNSPECIFIED
Jenkins, J. M.NASA Ames Research Center, Moffett Field, CA, 94035, USAUNSPECIFIED
Esposito, M.Thüringer Landessternwarte Tautenburg, 07778, Tautenburg, GermanyUNSPECIFIED
Van Eylen, V.Mullard Space Science Laboratory, University College London,Holmbury St Mary, Dorking, Surrey RH5 6NT, UKUNSPECIFIED
Rodler, F.European Southern Observatory, Alonso de Córdova 3107, Vitacura, Santiago, ChileUNSPECIFIED
Adibekyan, V.Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, PortugalUNSPECIFIED
Alarcon, J.European Southern Observatory, Alonso de Cordova 3107, Santiago, ChileUNSPECIFIED
Anderson, D. R.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIED
Akana Murphy, Joseph M.NSF Graduate Research Fellow.; Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USAUNSPECIFIED
Barrado, D.Departamento de Astrofisica, Centro de Astrobiologia (INTA-CSIC), Campus ESAC (ESA)Camino Bajo del Castillo s/n 28692 Villanueva de la Canada, SpainUNSPECIFIED
Barros, S. C. C.Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, PortugalUNSPECIFIED
Benneke, B.Department of Physics, and Institute for Research on Exoplanets, Université de Montréal, Montreal, QC H3T 1J4, CanadaUNSPECIFIED
Bouchy, F.Laboratoire d'Astrophysique de Marseille, Marseille, France ; Observatoire de Haute-Provence, St Michel l'Observatoire, FranceUNSPECIFIED
Bryant, E.M.Dept. of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIED
Butler, R. PaulCarnegie Institution for Science, Earth & Planets Laboratory, 5241 Broad Branch Road NW, Washington DC 20015, USAUNSPECIFIED
Burt, J.Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USAUNSPECIFIED
Cabrera Perez, JuanJuan.Cabrera (at) dlr.dehttps://orcid.org/0000-0001-6653-5487
Casewell, SDepartment of Physics and Astronomy, Leicester Institute of Space and Earth Observation, University of Leicester, University Road, Leicester LE1 7RHUNSPECIFIED
Chaturvedi, P.Thüringer Landessternwarte Tautenburg, Sternwarte 5, 07778 Taut-enburg, GermanyUNSPECIFIED
Cloutier, R.Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAUNSPECIFIED
Cochran, W. D.Department of Astronomy and McDonald Observatory, University of Texas at AustinUNSPECIFIED
Crane, J.The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USAUNSPECIFIED
Crossfield, I.J.M.Department of Physics and Astronomy, University of Kansas,Lawrence, KS, USAUNSPECIFIED
Crouzet, N.European Space Agency (ESA), European Space Research and Technology Centre (ESTEC), Keplerlaan 1, NL-2201 AZ Noordwijk, the NetherlandsUNSPECIFIED
Collins, K. I.George Mason University, 4400 University Drive, Fairfax, VA 22030 USAUNSPECIFIED
Dai, F.Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Astrophysical Sciences, Peyton Hall, 4 Ivy Lane, Princeton, NJ 08544, USAUNSPECIFIED
Deeg, H. J.Instituto de Astrofísica de Canarias, La Laguna, Tenerife, SpainUNSPECIFIED
Deline, A.Observatoire de Genève, University of Geneva, SwitzerlandUNSPECIFIED
Demangeon, O. D. S.Laboratoire d’Astrophysique de Marseille, Univ. de Provence, FranceUNSPECIFIED
Dumusque, X.Geneva Observatory, University of Geneva, Chemin des Mailettes 51, 1290 Versoix, SwitzerlandUNSPECIFIED
Figueira, P.European Southern Observatory, Alonso de Cordova 3107, Vitacura, Santiago, Chile; Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, PortugalUNSPECIFIED
Furlan, E.NASA Exoplanet Science Institute, Caltech/IPAC, Mail Code 100-22, 1200 E. California Blvd., Pasadena, CA 91125, USAUNSPECIFIED
Gnilka, C.NASA Exoplanet Science Institute, Caltech/IPAC, Mail Code 100-22, 1200 E. California Blvd., Pasadena, CA 91125, USAUNSPECIFIED
Goad, M.R.Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UKUNSPECIFIED
Goffo, E.Dipartimento di Fisica, Università degli Studi di Torino, via PietroGiuria 1, I-10125, Torino, Italy ; Thüringer Landessternwarte Tautenburg, GermanyUNSPECIFIED
Gutiérrez-Canales, F.Departamento de Astronomía, Universidad de Guanajuato, Callejón de Jalisco s/n 36023, MéxicoUNSPECIFIED
Hadjigeorghiou, A.Department of Physics, University of Warwick, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Coventry CV4 7AL, UKUNSPECIFIED
Hartman, Z.Gemini Observatory/NSF's NOIRLab, 670 N. A'ohoku Place, Hilo, HI 96720, USAUNSPECIFIED
Hatzes, A. P.Thueringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, GermanyUNSPECIFIED
Harris, M.Department of Physics and Astronomy, University of New Mexico, 1919 Lomas Blvd NE, Albuquerque, NM 87131, USAUNSPECIFIED
Henderson, B.School of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
Hirano, T.Astrobiology Center, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan; National Astronomical Observatory of Japan, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, JapanUNSPECIFIED
Hojjatpanah, S.Aix Marseille Univ, CNRS, CNES, LAM, F-13013 Marseille, FranceUNSPECIFIED
Hoyer, S.Aix Marseille Univ, CNRS, CNES, LAM, F-13013 Marseille, FranceUNSPECIFIED
Kabáth, P.Astronomical Institute of the Czech Academy of Sciences, Fričova 298, CZ-25165 Ondřejov, Czech RepublicUNSPECIFIED
Korth, J.Department of Space, Earth and Environment, Astronomy and Plasma Physics, Chalmers University of Technology, SE-412 96 Gothenburg, SwedenUNSPECIFIED
Lillo-Box, J.Centro de Astrobiología (CAB, CSIC-INTA), Depto. de Astrofísica, ESAC campus, E-28692 Villanueva de la Cañada (Madrid), SpainUNSPECIFIED
Luque, R.Instituto de Astrofísica de Andalucía (IAA-CSIC), Glorieta de la Astronomía s/n, E-18008 Granada, SpainUNSPECIFIED
Marmier, M.Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Mocnik, TeoGemini Observatory, Northern Operations Center, 670 N. A'ohoku Place, Hilo, HI 96720, USAUNSPECIFIED
Muresan, A.Department of Space, Earth and Environment, Astronomy and Plasma Physics, Chalmers University of Technology, SE-412 96 Gothenburg, SwedenUNSPECIFIED
Murgas, F.Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain; Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, SpainUNSPECIFIED
Nagel, E.Departamento de Astronomía, Universidad de Guanajuato, Callejón de Jalisco s/n 36023, MéxicoUNSPECIFIED
Osborne, H. L. M.Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey RH5 6NT, UKUNSPECIFIED
Osborn, AresCentre for Exoplanets and Habitability, University of Warwick, Coventry, UK; Department of Physics, University of Warwick, Coventry, UKUNSPECIFIED
Osborn, H. P.NCCR/PlanetS, Centre for Space & Habitability, University of Bern, Bern, Switzerland; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USAUNSPECIFIED
Palle, E.Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain | Departamento de Astrofisica, Universidad de La Laguna, 38206 La Laguna, SpainUNSPECIFIED
Raimbault, M.Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Ricker, G.R.Department of Physics and Kavli Institute for Astrophysics andSpace Research, Massachusetts Institute of Technology, Cambridge,MA 02139, USAUNSPECIFIED
Rubenzahl, Ryan A.NSF Graduate Research Fellow.; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USAUNSPECIFIED
Stockdale, C.Hazelwood Observatory, Churchill, Victoria, AustraliaUNSPECIFIED
Santos, N. C.Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal; Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua Campo Alegre, 4169-007 Porto, PortugalUNSPECIFIED
Scott, N.NASA Ames Research Center, Moffett Field, CA 94035, USAUNSPECIFIED
Schwarz, R. P.Patashnick Voorheesville Observatory, Voorheesville, NY 12186, USAUNSPECIFIED
Shectman, S.Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USAUNSPECIFIED
Raimbault, M.Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Seager, S.Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USAUNSPECIFIED
Ségransan, D.Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Serrano, L. M.Dipartimento di Fisica, Università degli Studi di Torino, Via Pietro Giuria 1, I-10125 Torino, ItalyUNSPECIFIED
Skarka, M.Astronomical Institute of the Czech Academy of Sciences, Fričova 298, CZ-25165 Ondřejov, Czech Republic; Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlárská 2, CZ-61137 Brno, Czech RepublicUNSPECIFIED
Smith, Alexis M SAlexis.Smith (at) dlr.dehttps://orcid.org/0000-0002-2386-4341
Subjak, J.Astronomical Institute, Czech Academy of Sciences, Fricova 298, 25165, Ondrejov, Czech Republic; Astronomical Institute, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 2027/3, 12116, Prague, Czech RepublicUNSPECIFIED
Tan, T. G.Perth Exoplanet Survey Telescope, 337 Walnut Rd, Bickley WA 6076, Australia; Curtin Institute of Radio Astronomy, Curtin University, Bentley, Western Australia 6102, AustraliaUNSPECIFIED
Udry, S.Geneva Observatory, University of Geneva, Chemin Pegasi 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Watson, C. A.Astrophysics Research Centre, Queen's University Belfast, Belfast BT7 1NN, UKUNSPECIFIED
Wheatley, P. J.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIED
West, R. G.Department of Physics, University of Warwick, Coventry CV4 7AL, UKUNSPECIFIED
Winn, J. N.Princeton University, Department of Astrophysical Sciences, 4 Ivy Lane, Princeton, NJ 08544 USAUNSPECIFIED
Wang, S. X.Department of Astronomy, Tsinghua University, Beijing 100084, People's Republic of ChinaUNSPECIFIED
Wolfgang, A.Seniors Data Scientist, SiteZeusUNSPECIFIED
Ziegler, C.Department of Physics, Engineering and Astronomy, S. F. Austin State University, 1936 North St, Nacogdoches, TX 75962, USAUNSPECIFIED
Date:2022
Journal or Publication Title:Monthly Notices of the Royal Astronomical Society
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:514
DOI:10.1093/mnras/stac638
Page Range:pp. 1606-1627
Publisher:Oxford University Press
ISSN:0035-8711
Status:Published
Keywords:techniques: photometric, techniques: radial velocities, planets and satellites: individual: HD 73583 (TOI-560), stars: activity, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project PLATO - PMC and Science
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Deposited By: Smith, Dr Alexis M S
Deposited On:12 Jul 2022 09:05
Last Modified:11 Jan 2023 12:43

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