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Full-Text Articles in Physical Sciences and Mathematics
The Unusual M-Dwarf Warm Jupiter Toi-1899 B: Refinement Of Orbital And Planetary Parameters, A. S. J. Lin, J. E. Libby-Roberts, J. A. Alvarado-Montes, C. I. Cañas, S. Kanodia, T. Han, L. Hebb, Eric L.N. Jensen, S. Mahadevan, L. C. Powers, T. N. Swaby, J. Wisniewski, C. Beard, C. F. Bender, C. H. Blake, W. D. Cochran, S. A. Diddams, R. C. Frazier, C. Fredrick, M. Gully-Santiago, S. Halverson, S. E. Logsdon, M. W. Mcelwain, C. Morley, J. P. Ninan, J. Rajagopal, L. W. Ramsey, P. Robertson, A. Roy, C. Schwab, G. Stefánsson, D. J. Stevens, R. C. Terrien, J. T. Wright
The Unusual M-Dwarf Warm Jupiter Toi-1899 B: Refinement Of Orbital And Planetary Parameters, A. S. J. Lin, J. E. Libby-Roberts, J. A. Alvarado-Montes, C. I. Cañas, S. Kanodia, T. Han, L. Hebb, Eric L.N. Jensen, S. Mahadevan, L. C. Powers, T. N. Swaby, J. Wisniewski, C. Beard, C. F. Bender, C. H. Blake, W. D. Cochran, S. A. Diddams, R. C. Frazier, C. Fredrick, M. Gully-Santiago, S. Halverson, S. E. Logsdon, M. W. Mcelwain, C. Morley, J. P. Ninan, J. Rajagopal, L. W. Ramsey, P. Robertson, A. Roy, C. Schwab, G. Stefánsson, D. J. Stevens, R. C. Terrien, J. T. Wright
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TOI-1899 b is a rare exoplanet, a temperate warm Jupiter orbiting an M dwarf, first discovered by Cañas et al. (2020) from a TESS single-transit event. Using new radial velocities (RVs) from the precision RV spectrographs HPF and NEID, along with additional TESS photometry and ground-based transit follow-up, we are able to derive a much more precise orbital period of P = 29.090312 (+0.000036)/(-0.000035) days, along with a radius of Rp = 0.99 ± 0.03 Rj. We have also improved the constraints on planet mass, Mp = 0.67 ± 0.04 Mj, and eccentricity, which …
Toi-908: A Planet At The Edge Of The Neptune Desert Transiting A G-Type Star, F. Hawthorn, D. Bayliss, D. J. Armstrong, J. Fernández Fernández, A. Osborn, S. G. Sousa, V. Adibekyan, J. Davoult, K. A. Collins, Y. Alibert, S. C. C. Barros, F. Bouchy, M. Brogi, D. R. Ciardi, T. Daylan, E. Delgado Mena, O. D. S. Demangeon, R. F. Díaz, T. Gan, K. Horne, S. Hoyer, J. M. Jenkins, Eric L.N. Jensen, J. F. Kielkopf, V. Kostov, D. W. Latham, A. M. Levine, J. Lillo-Box, L. D. Nielsen, H. P. Osborn, G. R. Ricker, J. Rodrigues, N. C. Santos, R. P. Schwarz, S. Seager, J. Serrano Bell, A. Shporer, C. Stockdale, P. A. Strøm, P. Tenenbaum, S. Udry, P. J. Wheatley, J. N. Winn, C. Ziegler
Toi-908: A Planet At The Edge Of The Neptune Desert Transiting A G-Type Star, F. Hawthorn, D. Bayliss, D. J. Armstrong, J. Fernández Fernández, A. Osborn, S. G. Sousa, V. Adibekyan, J. Davoult, K. A. Collins, Y. Alibert, S. C. C. Barros, F. Bouchy, M. Brogi, D. R. Ciardi, T. Daylan, E. Delgado Mena, O. D. S. Demangeon, R. F. Díaz, T. Gan, K. Horne, S. Hoyer, J. M. Jenkins, Eric L.N. Jensen, J. F. Kielkopf, V. Kostov, D. W. Latham, A. M. Levine, J. Lillo-Box, L. D. Nielsen, H. P. Osborn, G. R. Ricker, J. Rodrigues, N. C. Santos, R. P. Schwarz, S. Seager, J. Serrano Bell, A. Shporer, C. Stockdale, P. A. Strøm, P. Tenenbaum, S. Udry, P. J. Wheatley, J. N. Winn, C. Ziegler
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We present the discovery of an exoplanet transiting TOI-908 (TIC-350153977) using data from TESS sectors 1, 12, 13, 27, 28, and 39. TOI-908 is a T = 10.7 mag G-dwarf (Teff = 5626 ± 61 K) solar-like star with a mass of 0.950 ± 0.010 M⊙ and a radius of 1.028 ± 0.030 R⊙. The planet, TOI-908 b, is a 3.18 ± 0.16 R⊕ planet in a 3.18 d orbit. Radial velocity measurements from HARPS reveal TOI-908 b has a mass of approximately 16.1 ± 4.1 M⊕, resulting in a bulk planetary density of 2.7 (+0.2)/(-0.4)g cm⁻³. TOI-908 b …
On The Frequencies Of Circumbinary Discs In Protostellar Systems, D. Elsender, M. R. Bate, B. S. Lakeland, Eric L.N. Jensen, S. H. Lubow
On The Frequencies Of Circumbinary Discs In Protostellar Systems, D. Elsender, M. R. Bate, B. S. Lakeland, Eric L.N. Jensen, S. H. Lubow
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We report the analysis of circumbinary (CB) discs formed in a radiation hydrodynamical simulation of star cluster formation. We consider both pure binary stars and pairs within triple and quadruple systems. The protostellar systems are all young (ages < 10⁵ yrs). We find that the systems that host a CB disc have a median separation of ≈11 au, and the median characteristic radius of the discs is ≈64 au. We find that 89 per cent of pure binaries with semimajor axes a < 1 au have a CB disc, and the occurrence rate of CB discs is bimodal with log-separation in pure binaries with a second peak at a ≈ 50 au. Systems with a > 100 au almost never have a CB disc. The median size of a CB disc is between ≈5 and 6 a depending on the order of the system, with higher order systems having larger discs relative to binary separation. We find the underlying distributions of mutual inclination between CB discs and binary orbits from …
Two Warm Neptunes Transiting Hip 9618 Revealed By Tess And Cheops, H. P. Osborn, G. Nowak, G. Hébrard, T. Masseron, J. Lillo-Box, E. Pallé, A. Bekkelien, H.-G. Florén, P. Guterman, A. E. Simon, V. Adibekyan, A. Bieryla, L. Borsato, A. Brandeker, D. R. Ciardi, A. Collier Cameron, K. A. Collins, J. A. Egger, D. Gandolfi, M. J. Hooton, D. W. Latham, M. Lendl, E. C. Matthews, A. Tuson, S. Ulmer-Moll, A. Vanderburg, T. G. Wilson, C. Ziegler, Y. Alibert, R. Alonso, G. Anglada, L. Arnold, J. Asquier, D. Barrado Y Navascues, W. Baumjohann, T. Beck, A. A. Belinski, W. Benz, F. Biondi, I. Boisse, X. Bonfils, C. Broeg, L. A. Buchhave, T. Bárczy, S. C. C. Barros, J. Cabrera, C. Cardona Guillen, I. Carleo, A. Castro-González, S. Charnoz, J. Christiansen, P. Cortes-Zuleta, S. Csizmadia, S. Dalal, M. B. Davies, M. Deleuil, X. Delfosse, L. Delrez, B.-O. Demory, A. B. Dunlavey, D. Ehrenreich, A. Erikson, R. B. Fernandes, A. Fortier, T. Forveille, L. Fossati, M. Fridlund, M. Gillon, R. F. Goeke, M. V. Goliguzova, E. J. Gonzales, M. N. Günther, M. Güdel, N. Heidari, C. E. Henze, S. Howell, S. Hoyer, J. I. Frey, K. G. Isaak, J. M. Jenkins, F. Kiefer, L. Kiss, J. Korth, P. F. L. Maxted, J. Laskar, A. Lecavelier Des Etangs, C. Lovis, M. B. Lund, R. Luque, D. Magrin, J. M. Almenara, E. Martioli, M. Mecina, J. V. Medina, D. Moldovan, M. Morales-Calderón, G. Morello, C. Moutou, F. Murgas, Eric L.N. Jensen, V. Nascimbeni, G. Olofsson, R. Ottensamer, I. Pagano, G. Peter, G. Piotto, D. Pollacco, D. Queloz, R. Ragazzoni, N. Rando, H. Rauer, I. Ribas, G. Ricker, O. D. S. Demangeon, A. M. S. Smith, N. Santos, G. Scandariato, S. Seager, S. G. Sousa, M. Steller, G. M. Szabó, D. Ségransan, N. Thomas, S. Udry, B. Ulmer, V. Van Grootel, R. Vanderspek, N. Walton, J. N. Winn
Two Warm Neptunes Transiting Hip 9618 Revealed By Tess And Cheops, H. P. Osborn, G. Nowak, G. Hébrard, T. Masseron, J. Lillo-Box, E. Pallé, A. Bekkelien, H.-G. Florén, P. Guterman, A. E. Simon, V. Adibekyan, A. Bieryla, L. Borsato, A. Brandeker, D. R. Ciardi, A. Collier Cameron, K. A. Collins, J. A. Egger, D. Gandolfi, M. J. Hooton, D. W. Latham, M. Lendl, E. C. Matthews, A. Tuson, S. Ulmer-Moll, A. Vanderburg, T. G. Wilson, C. Ziegler, Y. Alibert, R. Alonso, G. Anglada, L. Arnold, J. Asquier, D. Barrado Y Navascues, W. Baumjohann, T. Beck, A. A. Belinski, W. Benz, F. Biondi, I. Boisse, X. Bonfils, C. Broeg, L. A. Buchhave, T. Bárczy, S. C. C. Barros, J. Cabrera, C. Cardona Guillen, I. Carleo, A. Castro-González, S. Charnoz, J. Christiansen, P. Cortes-Zuleta, S. Csizmadia, S. Dalal, M. B. Davies, M. Deleuil, X. Delfosse, L. Delrez, B.-O. Demory, A. B. Dunlavey, D. Ehrenreich, A. Erikson, R. B. Fernandes, A. Fortier, T. Forveille, L. Fossati, M. Fridlund, M. Gillon, R. F. Goeke, M. V. Goliguzova, E. J. Gonzales, M. N. Günther, M. Güdel, N. Heidari, C. E. Henze, S. Howell, S. Hoyer, J. I. Frey, K. G. Isaak, J. M. Jenkins, F. Kiefer, L. Kiss, J. Korth, P. F. L. Maxted, J. Laskar, A. Lecavelier Des Etangs, C. Lovis, M. B. Lund, R. Luque, D. Magrin, J. M. Almenara, E. Martioli, M. Mecina, J. V. Medina, D. Moldovan, M. Morales-Calderón, G. Morello, C. Moutou, F. Murgas, Eric L.N. Jensen, V. Nascimbeni, G. Olofsson, R. Ottensamer, I. Pagano, G. Peter, G. Piotto, D. Pollacco, D. Queloz, R. Ragazzoni, N. Rando, H. Rauer, I. Ribas, G. Ricker, O. D. S. Demangeon, A. M. S. Smith, N. Santos, G. Scandariato, S. Seager, S. G. Sousa, M. Steller, G. M. Szabó, D. Ségransan, N. Thomas, S. Udry, B. Ulmer, V. Van Grootel, R. Vanderspek, N. Walton, J. N. Winn
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HIP 9618 (HD 12572, TOI-1471, TIC 306263608) is a bright (G = 9.0 mag) solar analogue. TESS photometry revealed the star to have two candidate planets with radii of 3.9 ± 0.044 R⊕ (HIP 9618 b) and 3.343 ± 0.039 R⊕ (HIP 9618 c). While the 20.77291 d period of HIP 9618 b was measured unambiguously, HIP 9618 c showed only two transits separated by a 680-d gap in the time series, leaving many possibilities for the period. To solve this issue, CHEOPS performed targeted photometry of period aliases to attempt to recover the true period of planet c, …
Discovery Of Extraordinary X-Ray Emission From Magnetospheric Interaction In The Unique Binary Stellar System Ε Lupi, B. Das, V. Petit, Y. Nazé, M. F. Corcoran, David H. Cohen, A. Biswas, P. Chandra, A. David-Uraz, M. A. Leutenegger, C. Neiner, H. Pablo, E. Paunzen, M. E. Shultz, A. Ud-Doula, G. A. Wade
Discovery Of Extraordinary X-Ray Emission From Magnetospheric Interaction In The Unique Binary Stellar System Ε Lupi, B. Das, V. Petit, Y. Nazé, M. F. Corcoran, David H. Cohen, A. Biswas, P. Chandra, A. David-Uraz, M. A. Leutenegger, C. Neiner, H. Pablo, E. Paunzen, M. E. Shultz, A. Ud-Doula, G. A. Wade
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We report detailed X-ray observations of the unique binary system ϵ Lupi, the only known short-period binary consisting of two magnetic early-type stars. The components have comparably strong, but anti-aligned magnetic fields. The orbital and magnetic properties of the system imply that the magnetospheres overlap at all orbital phases, suggesting the possibility of variable inter-star magnetospheric interaction due to the non-negligible eccentricity of the orbit. To investigate this effect, we observed the X-ray emission from ϵ Lupi, both near and away from periastron passage, using the Neutron Star Interior Composition Explorer mission (NICER) X-ray Telescope. We find that the system …
Toi-2498 B: A Hot Bloated Super-Neptune Within The Neptune Desert, G. Frame, D. J. Armstrong, H. M. Cegla, J. Fernández Fernández, A. Osborn, V. Adibekyan, K. A. Collins, E. Delgado Mena, S. Giacalone, J. F. Kielkopf, N. C. Santos, S. G. Sousa, K. G. Stassun, C. Ziegler, D. R. Anderson, S. C. C. Barros, D. Bayliss, C. Briceño, D. M. Conti, C. D. Dressing, X. Dumusque, P. Figueira, W. Fong, S. Gill, F. Hawthorn, J. M. Jenkins, Eric L.N. Jensen, M. A. F. Keniger, D. W. Latham, N. Law, J. J. Lissauer, A. W. Mann, L. D. Nielsen, H. Osborn, M. Paegert, S. Seager, R. P. Schwarz, A. Shporer, G. Srdoc, P. A. Strøm, J. N. Winn, P. J. Wheatley
Toi-2498 B: A Hot Bloated Super-Neptune Within The Neptune Desert, G. Frame, D. J. Armstrong, H. M. Cegla, J. Fernández Fernández, A. Osborn, V. Adibekyan, K. A. Collins, E. Delgado Mena, S. Giacalone, J. F. Kielkopf, N. C. Santos, S. G. Sousa, K. G. Stassun, C. Ziegler, D. R. Anderson, S. C. C. Barros, D. Bayliss, C. Briceño, D. M. Conti, C. D. Dressing, X. Dumusque, P. Figueira, W. Fong, S. Gill, F. Hawthorn, J. M. Jenkins, Eric L.N. Jensen, M. A. F. Keniger, D. W. Latham, N. Law, J. J. Lissauer, A. W. Mann, L. D. Nielsen, H. Osborn, M. Paegert, S. Seager, R. P. Schwarz, A. Shporer, G. Srdoc, P. A. Strøm, J. N. Winn, P. J. Wheatley
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We present the discovery and confirmation of a transiting hot bloated super-Neptune using photometry from the Transiting Exoplanet Survey Satellite (TESS) and the Las Cumbres Observatory Global Telescope (LCOGT) and radial velocity measurements from the High Accuracy Radial velocity Planet Searcher (HARPS). The host star TOI-2498 is a V = 11.2, G-type (Teff = 5905 ± 12 K) solar-like star with a mass of 1.12 ± 0.02 M⊙ and a radius of 1.26 ± 0.04 R⊙. The planet, TOI-2498 b, orbits the star with a period of 3.7 d, has a radius of …
Spinning Up A Daze: Tess Uncovers A Hot Jupiter Orbiting The Rapid Rotator Toi-778, J. T. Clark, B. C. Addison, J. Okumura, S. Vach, A. Errico, A. Heitzmann, J. E. Rodriguez, D. J. Wright, M. Clerté, C. J. Brown, T. Fetherolf, R. A. Wittenmyer, P. Plavchan, S. R. Kane, J. Horner, J. F. Kielkopf, A. Shporer, C. G. Tinney, L. Hui-Gen, S. Ballard, B. P. Bowler, M. W. Mengel, G. Zhou, A. S. Lee, A. David, J. Heim, M. E. Lee, V. Sevilla, N. E. Zafar, N. R. Hinkel, B. E. Allen, D. Bayliss, A. Berberyan, P. Berlind, A. Bieryla, F. Bouchy, R. Brahm, E. M. Bryant, J. L. Christiansen, D. R. Ciardi, K. N. Ciardi, K. A. Collins, J. Dallant, A. B. Davis, M. R. Díaz, C. D. Dressing, G. A. Esquerdo, J.-V. Harre, S. B. Howell, J. M. Jenkins, Eric L.N. Jensen, M. I. Jones, A. Jordán, D. W. Latham, M. B. Lund, J. Mccormac, L. D. Nielsen, J. Otegi, S. N. Quinn, D. J. Radford, G. R. Ricker, R. P. Schwarz, S. Seager, A. M. S. Smith, C. Stockdale, T.-G. Tan, S. Udry, R. Vanderspek, M. N. Günther, S. Wang, G. Wingham, J. N. Winn
Spinning Up A Daze: Tess Uncovers A Hot Jupiter Orbiting The Rapid Rotator Toi-778, J. T. Clark, B. C. Addison, J. Okumura, S. Vach, A. Errico, A. Heitzmann, J. E. Rodriguez, D. J. Wright, M. Clerté, C. J. Brown, T. Fetherolf, R. A. Wittenmyer, P. Plavchan, S. R. Kane, J. Horner, J. F. Kielkopf, A. Shporer, C. G. Tinney, L. Hui-Gen, S. Ballard, B. P. Bowler, M. W. Mengel, G. Zhou, A. S. Lee, A. David, J. Heim, M. E. Lee, V. Sevilla, N. E. Zafar, N. R. Hinkel, B. E. Allen, D. Bayliss, A. Berberyan, P. Berlind, A. Bieryla, F. Bouchy, R. Brahm, E. M. Bryant, J. L. Christiansen, D. R. Ciardi, K. N. Ciardi, K. A. Collins, J. Dallant, A. B. Davis, M. R. Díaz, C. D. Dressing, G. A. Esquerdo, J.-V. Harre, S. B. Howell, J. M. Jenkins, Eric L.N. Jensen, M. I. Jones, A. Jordán, D. W. Latham, M. B. Lund, J. Mccormac, L. D. Nielsen, J. Otegi, S. N. Quinn, D. J. Radford, G. R. Ricker, R. P. Schwarz, S. Seager, A. M. S. Smith, C. Stockdale, T.-G. Tan, S. Udry, R. Vanderspek, M. N. Günther, S. Wang, G. Wingham, J. N. Winn
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NASA's Transiting Exoplanet Survey Satellite (TESS) mission has been uncovering a growing number of exoplanets orbiting nearby, bright stars. Most exoplanets that have been discovered by TESS orbit narrow-line, slow-rotating stars, facilitating the confirmation and mass determination of these worlds. We present the discovery of a hot Jupiter orbiting a rapidly rotating (v sin (i) = 35.1 ± 1.0 km s⁻¹) early F3V-dwarf, HD 115447 (TOI-778). The transit signal taken from Sectors 10 and 37 of TESS's initial detection of the exoplanet is combined with follow-up ground-based photometry and velocity measurements taken from Minerva-Australis, TRES, CORALIE, and …
Toi-836: A Super-Earth And Mini-Neptune Transiting A Nearby K-Dwarf, F. Hawthorn, D. Bayliss, T. G. Wilson, A. Bonfanti, V. Adibekyan, Y. Alibert, S. G. Sousa, K. A. Collins, E. M. Bryant, A. Osborn, D. J. Armstrong, L. Abe, J. S. Acton, B. C. Addison, K. Agabi, R. Alonso, D. R. Alves, G. Anglada-Escudé, T. Bárczy, T. Barclay, D. Barrado, S. C. C. Barros, W. Baumjohann, P. Bendjoya, W. Benz, A. Bieryla, X. Bonfils, F. Bouchy, A. Brandeker, C. Broeg, D. J. A. Brown, M. R. Burleigh, M. Buttu, J. Cabrera, D. A. Caldwell, S. L. Casewell, D. Charbonneau, S. Charnoz, R. Cloutier, A. Collier Cameron, K. I. Collins, D. M. Conti, N. Crouzet, S. Czismadia, M. B. Davies, M. Deleuil, E. Delgado-Mena, L. Delrez, O. D. S. Demangeon, B.-O. Demoray, G. Dransfield, X. Dumusque, J. A. Egger, D. Ehrenreich, P. Eigmüller, A. Erickson, Z. Essack, A. Fortier, L. Fossati, M. Fridlund, M. N. Günther, M. Güdel, D. Gandolfi, H. Gillard, M. Gillon, C. Gnilka, M. R. Goad, R. F. Goeke, T. Guillot, A. Hadjigeorghiou, C. Hellier, B. A. Henderson, K. Heng, M. J. Hooton, K. Horne, S. B. Howell, S. Hoyer, J. M. Irwin, J. S. Jenkins, J. M. Jenkins, Eric L.N. Jensen, S. R. Kane, A. Kendall, J. F. Kielkopf, L. L. Kiss, G. Lacedelli, J. Laskar, D. W. Latham, A. Lecavalier Des Etangs, A. Leleu, M. Lendl, J. Lillo-Box, C. Lovis, D. Mékarnia, B. Massey, T. Masters, P. F. L. Maxted, V. Nascimbeni, L. D. Nielsen, S. M. O'Brien, G. Olofsson, H. P. Osborn, I. Pagano, E. Pallé, C. M. Persson, G. Piotto, P. Plavchan, D. Pollacco, D. Queloz, R. Ragazzoni, H. Rauer, I. Ribas, G. Ricker, D. Ségransan, S. Salmon, A. Santerne, N. C. Santos, G. Scandariato, F.-X. Schmider, R. P. Schwarz, S. Seager, A. Shporer, A. E. Simon, A. M. S. Smith, G. Srdoc, M. Steller, O. Suarez, G. M. Szabó, J. Teske, N. Thomas, R. H. Tilbrook, A. H. M. J. Triaud, S. Udry, V. Van Grootel, N. Walton, S. X. Wang, P. J. Wheatley, J. N. Winn, R. A. Wittenmyer, H. Zhang
Toi-836: A Super-Earth And Mini-Neptune Transiting A Nearby K-Dwarf, F. Hawthorn, D. Bayliss, T. G. Wilson, A. Bonfanti, V. Adibekyan, Y. Alibert, S. G. Sousa, K. A. Collins, E. M. Bryant, A. Osborn, D. J. Armstrong, L. Abe, J. S. Acton, B. C. Addison, K. Agabi, R. Alonso, D. R. Alves, G. Anglada-Escudé, T. Bárczy, T. Barclay, D. Barrado, S. C. C. Barros, W. Baumjohann, P. Bendjoya, W. Benz, A. Bieryla, X. Bonfils, F. Bouchy, A. Brandeker, C. Broeg, D. J. A. Brown, M. R. Burleigh, M. Buttu, J. Cabrera, D. A. Caldwell, S. L. Casewell, D. Charbonneau, S. Charnoz, R. Cloutier, A. Collier Cameron, K. I. Collins, D. M. Conti, N. Crouzet, S. Czismadia, M. B. Davies, M. Deleuil, E. Delgado-Mena, L. Delrez, O. D. S. Demangeon, B.-O. Demoray, G. Dransfield, X. Dumusque, J. A. Egger, D. Ehrenreich, P. Eigmüller, A. Erickson, Z. Essack, A. Fortier, L. Fossati, M. Fridlund, M. N. Günther, M. Güdel, D. Gandolfi, H. Gillard, M. Gillon, C. Gnilka, M. R. Goad, R. F. Goeke, T. Guillot, A. Hadjigeorghiou, C. Hellier, B. A. Henderson, K. Heng, M. J. Hooton, K. Horne, S. B. Howell, S. Hoyer, J. M. Irwin, J. S. Jenkins, J. M. Jenkins, Eric L.N. Jensen, S. R. Kane, A. Kendall, J. F. Kielkopf, L. L. Kiss, G. Lacedelli, J. Laskar, D. W. Latham, A. Lecavalier Des Etangs, A. Leleu, M. Lendl, J. Lillo-Box, C. Lovis, D. Mékarnia, B. Massey, T. Masters, P. F. L. Maxted, V. Nascimbeni, L. D. Nielsen, S. M. O'Brien, G. Olofsson, H. P. Osborn, I. Pagano, E. Pallé, C. M. Persson, G. Piotto, P. Plavchan, D. Pollacco, D. Queloz, R. Ragazzoni, H. Rauer, I. Ribas, G. Ricker, D. Ségransan, S. Salmon, A. Santerne, N. C. Santos, G. Scandariato, F.-X. Schmider, R. P. Schwarz, S. Seager, A. Shporer, A. E. Simon, A. M. S. Smith, G. Srdoc, M. Steller, O. Suarez, G. M. Szabó, J. Teske, N. Thomas, R. H. Tilbrook, A. H. M. J. Triaud, S. Udry, V. Van Grootel, N. Walton, S. X. Wang, P. J. Wheatley, J. N. Winn, R. A. Wittenmyer, H. Zhang
Physics & Astronomy Faculty Works
We present the discovery of two exoplanets transiting TOI-836 (TIC 440887364) using data from TESS Sector 11 and Sector 38. TOI-836 is a bright (T = 8.5 mag), high proper motion (∼200 mas yr⁻¹), low metallicity ([Fe/H]≈−0.28) K-dwarf with a mass of 0.68 ± 0.05 M⊙ and a radius of 0.67 ± 0.01 R⊙. We obtain photometric follow-up observations with a variety of facilities, and we use these data sets to determine that the inner planet, TOI-836 b, is a 1.70 ± 0.07 R⊕ super-Earth in a 3.82-d orbit, placing it directly within the so-called …
Tess Discovery Of Twin Planets Near 2:1 Resonance Around Early M Dwarf Toi 4342, E. Tey, C. X. Huang, M. Kunimoto, A. Vanderburg, A. Shporer, S. N. Quinn, G. Zhou, K. A. Collins, K. I. Collins, Eric L.N. Jensen, R. P. Schwarz, R. Sefako, T. Gan, E. Furlan, C. L. Gnilka, S. B. Howell, K. V. Lester, C. Ziegler, C. Briceño, N. Law, A. W. Mann, G. R. Ricker, R. K. Vanderspek, D. W. Latham, S. Seager, J. M. Jenkins, J. N. Winn, D. A. Caldwell, D. Charbonneau, C. J. Burke, Z. Essack
Tess Discovery Of Twin Planets Near 2:1 Resonance Around Early M Dwarf Toi 4342, E. Tey, C. X. Huang, M. Kunimoto, A. Vanderburg, A. Shporer, S. N. Quinn, G. Zhou, K. A. Collins, K. I. Collins, Eric L.N. Jensen, R. P. Schwarz, R. Sefako, T. Gan, E. Furlan, C. L. Gnilka, S. B. Howell, K. V. Lester, C. Ziegler, C. Briceño, N. Law, A. W. Mann, G. R. Ricker, R. K. Vanderspek, D. W. Latham, S. Seager, J. M. Jenkins, J. N. Winn, D. A. Caldwell, D. Charbonneau, C. J. Burke, Z. Essack
Physics & Astronomy Faculty Works
With data from the Transiting Exoplanet Survey Satellite (TESS), we showcase improvements to the MIT Quick Look Pipeline (QLP) through the discovery and validation of a multiplanet system around M dwarf TOI 4342 (Tmag = 11.032, M⋆ = 0.63 M⊙, R⋆ = 0.60 R⊙, Teff = 3900 K, d = 61.54 pc). With updates to QLP, including a new multiplanet search, as well as faster cadence data from TESS's First Extended Mission, we discovered two sub-Neptunes (Rb = 2.266 (+0.038)/(-0.038) R⊕ and Rc = 2.415 (+0.043)/(-0.040) R …
Characterization Of A Set Of Small Planets With Tess And Cheops And An Analysis Of Photometric Performance, D. Oddo, D. Dragomir, A. Brandeker, H. P. Osborn, K. Collins, K. G. Stassun, N. Astudillo-Defru, A. Bieryla, S. B. Howell, D. R. Ciardi, S. Quinn, J. M. Almenara, C. Briceño, K. I. Collins, K. D. Colón, D. M. Conti, N. Crouzet, E. Furlan, T. Gan, C. L. Gnilka, R. F. Goeke, E. Gonzales, M. Harris, J. M. Jenkins, Eric L.N. Jensen, D. Latham, N. Law, M. B. Lund, A. W. Mann, B. Massey, F. Murgas, G. Ricker, H. M. Relles, P. Rowden, R. P. Schwarz, J. Schlieder, A. Shporer, S. Seager, G. Srdoc, G. Torres, J. D. Twicken, R. Vanderspek, J. N. Winn, C. Ziegler
Characterization Of A Set Of Small Planets With Tess And Cheops And An Analysis Of Photometric Performance, D. Oddo, D. Dragomir, A. Brandeker, H. P. Osborn, K. Collins, K. G. Stassun, N. Astudillo-Defru, A. Bieryla, S. B. Howell, D. R. Ciardi, S. Quinn, J. M. Almenara, C. Briceño, K. I. Collins, K. D. Colón, D. M. Conti, N. Crouzet, E. Furlan, T. Gan, C. L. Gnilka, R. F. Goeke, E. Gonzales, M. Harris, J. M. Jenkins, Eric L.N. Jensen, D. Latham, N. Law, M. B. Lund, A. W. Mann, B. Massey, F. Murgas, G. Ricker, H. M. Relles, P. Rowden, R. P. Schwarz, J. Schlieder, A. Shporer, S. Seager, G. Srdoc, G. Torres, J. D. Twicken, R. Vanderspek, J. N. Winn, C. Ziegler
Physics & Astronomy Faculty Works
The radius valley carries implications for how the atmospheres of small planets form and evolve, but this feature is visible only with highly precise characterizations of many small planets. We present the characterization of nine planets and one planet candidate with both NASA TESS and ESA CHEOPS observations, which adds to the overall population of planets bordering the radius valley. While five of our planets—TOI 118 b, TOI 262 b, TOI 455 b, TOI 560 b, and TOI 562 b—have already been published, we vet and validate transit signals as planetary using follow-up observations for four new TESS planets, including …
The Tess Grand Unified Hot Jupiter Survey. Ii. Twenty New Giant Planets, S. W. Yee, J. N. Winn, J. D. Hartman, L. G. Bouma, G. Zhou, S. N. Quinn, D. W. Latham, A. Bieryla, J. E. Rodriguez, K. A. Collins, O. Alfaro, K. Barkaoui, C. Beard, A. A. Belinski, Z. Benkhaldoun, P. Benni, K. Bernacki, A. W. Boyle, R. P. Butler, D. A. Caldwell, A. Chontos, J. L. Christiansen, D. R. Ciardi, K. I. Collins, D. M. Conti, J. D. Crane, T. Daylan, C. D. Dressing, J. D. Eastman, Z. Essack, P. Evans, M. E. Everett, S. Fajardo-Acosta, R. Forés-Toribio, E. Furlan, M. Ghachoui, M. Gillon, C. Hellier, I. Helm, A. W. Howard, S. B. Howell, H. Isaacson, E. Jehin, J. M. Jenkins, Eric L.N. Jensen, J. F. Kielkopf, D. Laloum, N. Leonhardes-Barboza, P. Lewin, S. E. Logsdon, J. Lubin, M. B. Lund, M. G. Macdougall, A. W. Mann, N. A. Maslennikova, B. Massey, K. K. Mcleod, J. A. Muñoz, P. Newman, V. Orlov, P. Plavchan, A. Popowicz, F. J. Pozuelos, T. A. Pritchard, D. J. Radford, M. Reefe, G. R. Ricker, A. Rudat, B. S. Safonov, R. P. Schwarz, H. Schweiker, N. J. Scott, S. Seager, S. A. Shectman, C. Stockdale, T.-G. Tan, J. K. Teske, N. B. Thomas, M. Timmermans, R. Vanderspek, D. Vermilion, D. Watanabe, L. M. Weiss, R. G. West, J. Van Zandt, M. Zejmo, C. Ziegler
The Tess Grand Unified Hot Jupiter Survey. Ii. Twenty New Giant Planets, S. W. Yee, J. N. Winn, J. D. Hartman, L. G. Bouma, G. Zhou, S. N. Quinn, D. W. Latham, A. Bieryla, J. E. Rodriguez, K. A. Collins, O. Alfaro, K. Barkaoui, C. Beard, A. A. Belinski, Z. Benkhaldoun, P. Benni, K. Bernacki, A. W. Boyle, R. P. Butler, D. A. Caldwell, A. Chontos, J. L. Christiansen, D. R. Ciardi, K. I. Collins, D. M. Conti, J. D. Crane, T. Daylan, C. D. Dressing, J. D. Eastman, Z. Essack, P. Evans, M. E. Everett, S. Fajardo-Acosta, R. Forés-Toribio, E. Furlan, M. Ghachoui, M. Gillon, C. Hellier, I. Helm, A. W. Howard, S. B. Howell, H. Isaacson, E. Jehin, J. M. Jenkins, Eric L.N. Jensen, J. F. Kielkopf, D. Laloum, N. Leonhardes-Barboza, P. Lewin, S. E. Logsdon, J. Lubin, M. B. Lund, M. G. Macdougall, A. W. Mann, N. A. Maslennikova, B. Massey, K. K. Mcleod, J. A. Muñoz, P. Newman, V. Orlov, P. Plavchan, A. Popowicz, F. J. Pozuelos, T. A. Pritchard, D. J. Radford, M. Reefe, G. R. Ricker, A. Rudat, B. S. Safonov, R. P. Schwarz, H. Schweiker, N. J. Scott, S. Seager, S. A. Shectman, C. Stockdale, T.-G. Tan, J. K. Teske, N. B. Thomas, M. Timmermans, R. Vanderspek, D. Vermilion, D. Watanabe, L. M. Weiss, R. G. West, J. Van Zandt, M. Zejmo, C. Ziegler
Physics & Astronomy Faculty Works
NASA's Transiting Exoplanet Survey Satellite (TESS) mission promises to improve our understanding of hot Jupiters by providing an all-sky, magnitude-limited sample of transiting hot Jupiters suitable for population studies. Assembling such a sample requires confirming hundreds of planet candidates with additional follow-up observations. Here we present 20 hot Jupiters that were detected using TESS data and confirmed to be planets through photometric, spectroscopic, and imaging observations coordinated by the TESS Follow-up Observing Program. These 20 planets have orbital periods shorter than 7 days and orbit relatively bright FGK stars (10.9 < G < 13.0). Most of the planets are comparable in mass to Jupiter, although there are four planets with masses less than that of Saturn. TOI-3976b, the longest-period planet in our sample (P = 6.6 days), may be on a moderately eccentric orbit (e = 0.18 ± 0.06), while observations of the other …