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Sökning: WFRF:(Georgieva Iskra 1987) > (2023) > TOI-1416: A system ...

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FältnamnIndikatorerMetadata
00008828naa a2200973 4500
001oai:research.chalmers.se:0b03d87a-03a6-487c-8134-571ae1b23507
003SwePub
008230923s2023 | |||||||||||000 ||eng|
024a https://doi.org/10.1051/0004-6361/2023463702 DOI
024a https://research.chalmers.se/publication/5375872 URI
040 a (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Deeg, H.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
2451 0a TOI-1416: A system with a super-Earth planet with a 1.07 d period
264 1c 2023
338 a electronic2 rdacarrier
520 a TOI-1416 (BD+42 2504, HIP 70705) is a V =10 late G- or early K-type dwarf star. TESS detected transits in its Sectors 16, 23, and 50 with a depth of about 455 ppm and a period of 1.07 days. Radial velocities (RVs) confirm the presence of the transiting planet TOI-1416 b, which has a mass of 3.48 ± 0.47 M• and a radius of 1.62 ± 0.08 R•, implying a slightly sub-Earth density of 4.500.83+0.99 g cm3. The RV data also further indicate a tentative planet, c, with a period of 27.4 or 29.5 days, whose nature cannot be verified due to strong suspicions of contamination by a signal related to the Moon s synodic period of 29.53 days. The nearly ultra-short-period planet TOI-1416 b is a typical representative of a short-period and hot (Teq ≈ 1570 K) super-Earth-like planet. A planet model of an interior of molten magma containing a significant fraction of dissolved water provides a plausible explanation for its composition, and its atmosphere could be suitable for transmission spectroscopy with JWST. The position of TOI-1416 b within the radius-period distribution corroborates the idea that planets with periods of less than one day do not form any special group. It instead implies that ultra-short-period planets belong to a continuous distribution of super-Earth-like planets with periods ranging from the shortest known ones up to ≈ 30 days; their period-radius distribution is delimited against larger radii by the Neptune Desert and by the period-radius valley that separates super-Earths from sub-Neptune planets. In the abundance of small, short-periodic planets, a notable plateau has emerged between periods of 0.6- 1.4 days, which is compatible with the low-eccentricity formation channel. For the Neptune Desert, its lower limits required a revision due to the increasing population of short-period planets; for periods shorter then 2 days, we establish a radius of 1.6 R• and a mass of 0.028 Mjup (corresponding to 8.9 M•) as the desert s lower limits. We also provide corresponding limits to the Neptune Desert against the planets insolation and effective temperatures.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a Planets and satellites: composition
653 a Planets and satellites: detection
653 a Planets and satellites: individual: TOI-1416 b
653 a Planetary systems
653 a Techniques: radial velocities
653 a Planets and satellites: terrestrial planets
700a Georgieva, Iskra,d 1987u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)iskrag
700a Nowak, G.u Instituto de Astrofísica de Canarias,Uniwersytet Mikolaja Kopernika w Toruniu,Nicolaus Copernicus University,Universidad de la Laguna,University of La Laguna4 aut
700a Persson, Carina,d 1964u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)carina64
700a Cale, B.u National Aeronautics and Space Administration (NASA)4 aut
700a Murgas, F.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700a Palle, Enricu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut
700a Godoy-Rivera, D.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700a Dai, F.u California Institute of Technology (Caltech)4 aut
700a Ciardi, D. R.u National Aeronautics and Space Administration (NASA)4 aut
700a Murphy, J. M.Akanau University of California4 aut
700a Beck, P. G.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna,Karl-Franzens-Universität Graz4 aut
700a Burke, Christopher J.u Massachusetts Institute of Technology (MIT)4 aut
700a Cabrera, J.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut
700a Carleo, Ilariau Wesleyan University,Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut
700a Cochran, William D.u The University of Texas at Austin, USA4 aut
700a Collins, Karen A.u Harvard-Smithsonian Center for Astrophysics4 aut
700a Csizmadia, Szilardu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut
700a El Mufti, M.u George Mason University4 aut
700a Fridlund, Malcolm,d 1952u Universiteit Leiden (UL),Leiden University (UL),Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)malfri
700a Fukui, A.u University of Tokyo, Japan,Instituto de Astrofísica de Canarias4 aut
700a Gandolfi, D.u Universita degli Studi di Torino,University of Turin4 aut
700a García, R. A.u Institut de Recherche sur les Lois Fondamentales de l'Univers4 aut
700a Guenther, E. W.u Thüringer Landessternwarte Tautenburg4 aut
700a Guerra, P.4 aut
700a Grziwa, S.u Universität zu Köln,University of Cologne4 aut
700a Isaacson, H.u University of California,University of Southern Queensland4 aut
700a Isogai, K.u University of Tokyo, Japan,Kyoto University4 aut
700a Jenkins, Jon M.u NASA Ames Research Center4 aut
700a Kabath, Petru Czech Academy of Sciences4 aut
700a Korth, Judith,d 1987u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)korth
700a Lam, K. W.F.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut
700a Latham, D. W.u Harvard-Smithsonian Center for Astrophysics4 aut
700a Luque, R.u Universidad de la Laguna,University of La Laguna,University of Chicago,Instituto de Astrofísica de Canarias4 aut
700a Lund, M. B.u National Aeronautics and Space Administration (NASA)4 aut
700a Livingston, J.H.u National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI),National Astronomical Observatory of Japan4 aut
700a Mathis, S.u Institut de Recherche sur les Lois Fondamentales de l'Univers4 aut
700a Mathur, S.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700a Narita, Noriou University of Tokyo, Japan,National Institutes of Natural Sciences (NINS),Instituto de Astrofísica de Canarias4 aut
700a Orell-Miquel, J.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700a Osborne, H. L.M.u University College London (UCL)4 aut
700a Parviainen, H.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut
700a Plavchan, P.u George Mason University4 aut
700a Redfield, S.u Wesleyan University4 aut
700a Rodriguez, D. R.u Space Telescope Science Institute (STScI)4 aut
700a Schwarz, R.u Harvard-Smithsonian Center for Astrophysics4 aut
700a Seager, S.u Massachusetts Institute of Technology (MIT)4 aut
700a Smith, A. M.S.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut
700a Van Eylen, Vincentu University College London (UCL)4 aut
700a Van Zandt, J.u University of California4 aut
700a Winn, J. N.u Princeton University4 aut
700a Ziegler, C.u Stephen F. Austin State University4 aut
710a Instituto de Astrofísica de Canariasb Universidad de la Laguna4 org
773t Astronomy and Astrophysicsg 677q 677x 0004-6361x 1432-0746
856u https://research.chalmers.se/publication/537587/file/537587_Fulltext.pdfx primaryx freey FULLTEXT
8564 8u https://doi.org/10.1051/0004-6361/202346370
8564 8u https://research.chalmers.se/publication/537587

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