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Author Faith Hawthorn, Daniel Bayliss, Thomas G Wilson, Andrea Bonfanti, Vardan Adibekyan, Yann Alibert, Sérgio G Sousa, Karen A Collins, Edward M Bryant, Ares Osborn, David J Armstrong, Lyu Abe, Jack S Acton, Brett C Addison, Karim Agabi, Roi Alonso, Douglas R Alves, Guillem Anglada-Escudé, Tamas Bárczy, Thomas Barclay, David Barrado, Susana C C Barros, Wolfgang Baumjohann, Philippe Bendjoya, Willy Benz, Allyson Bieryla, Xavier Bonfils, François Bouchy, Alexis Brandeker, Christopher Broeg, David J A Brown, Matthew R Burleigh, Marco Buttu, Juan Cabrera, Douglas A Caldwell, Sarah L Casewell, David Charbonneau, Sébastian Charnoz, Ryan Cloutier, Andrew Collier Cameron, Kevin I Collins, Dennis M Conti, Nicolas Crouzet, Szilárd Czismadia, Melvyn B Davies, Magali Deleuil, Elisa Delgado-Mena, Laetitia Delrez, Olivier D S Demangeon, Brice-Olivier Demory, Georgina Dransfield, Xavier Dumusque, Jo Ann Egger, David Ehrenreich, Philipp Eigmüller, Anders Erickson, Zahra Essack, Andrea Fortier, Luca Fossati, Malcolm Fridlund, Maximilian N Günther, Manuel Güdel, Davide Gandolfi, Harvey Gillard, Michaël Gillon, Crystal Gnilka, Michael R Goad, Robert F Goeke, Tristan Guillot, Andreas Hadjigeorghiou, Coel Hellier, Beth A Henderson, Kevin Heng, Matthew J Hooton, Keith Horne, Steve B Howell, Sergio Hoyer, Jonathan M Irwin, James S Jenkins, Jon M Jenkins, Eric L N Jensen, Stephen R Kane, Alicia Kendall, John F Kielkopf, Laszlo L Kiss, Gaia Lacedelli, Jacques Laskar, David W Latham, Alain Lecavalier des Etangs, Adrien Leleu, Monika Lendl, Jorge Lillo-Box, Christophe Lovis, Djamel Mékarnia, Bob Massey, Tamzin Masters, Pierre F L Maxted, Valerio Nascimbeni, Louise D Nielsen, Sean M O’Brien, Göran Olofsson, Hugh P Osborn, Isabella Pagano, Enric Pallé, Carina M Persson, Giampaolo Piotto, Peter Plavchan, Don Pollacco, Didier Queloz, Roberto Ragazzoni, Heike Rauer, Ignasi Ribas, George Ricker, Damien Ségransan, Sébastien Salmon, Alexandre Santerne, Nuno C Santos, Gaetano Scandariato, François-Xavier Schmider, Richard P Schwarz, Sara Seager, Avi Shporer, Attila E Simon, Alexis M S Smith, Gregor Srdoc, Manfred Steller, Olga Suarez, Gyula M Szabó, Johanna Teske, Nicolas Thomas, Rosanna H Tilbrook, Amaury H M J Triaud, Stéphane Udry, Valérie Van Grootel, Nicholas Walton, Sharon X Wang, Peter J Wheatley, Joshua N Winn, Robert A Wittenmyer, Hui Zhang doi  openurl
  Title TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf Type Journal
  Year (down) 2023 Publication Monthly Notices of the Royal Astronomical Society Abbreviated Journal  
  Volume 520 Issue 3 Pages 3649-3668  
  Keywords  
  Abstract 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 ‘radius valley’. The outer planet, TOI-836 c, is a 2.59 ± 0.09 R⊕ mini-Neptune in an 8.60-d orbit. Radial velocity measurements reveal that TOI-836 b has a mass of 4.5 ± 0.9 M⊕, while TOI-836 c has a mass of 9.6 ± 2.6 M⊕. Photometric observations show Transit Timing Variations (TTVs) on the order of 20 min for TOI-836 c, although there are no detectable TTVs for TOI-836 b. The TTVs of planet TOI-836 c may be caused by an undetected exterior planet.  
  Programme 1066  
  Campaign  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0035-8711 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8648  
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