F. Bouchy, Leslie Hebb, I. Skillen, A. Collier Cameron, B. Smalley, S. Udry, D. R. Anderson, I. Boisse, B. Enoch, C. A. Haswell, G. Hébrard, C. Hellier, Y. C. Joshi, Stephen R. Kane, P. F. L. Maxted, M. Mayor, C. Moutou, F. Pepe, D. Pollacco, D. Queloz, D. Ségransan, E. K. Simpson, A. M. S. Smith, H. C. Stempels, R. A. Street, A. H. M. J. Triaud, R. G. West, P. J. Wheatley,
We report the discovery of WASP-21b, a new transiting exoplanet discovered by the Wide Angle Search for Planets (WASP) Consortium and established and characterized with the FIES, ... and 3.4-h duration are derived for WASP-21b using SuperWASP-North and high precision photometric observations ... Jup and mass of 0.30 M_Jup, WASP-21b has a density close to 0.24 rho_ ... host star metallicity [Fe/H] of -0.46, WASP-21b strengthens the correlation between planetary density and host ... transiting planets. Furthermore there are clear indications that WASP-21b is the first transiting planet belonging to the ...
Tópico(s): Astrophysics and Star Formation Studies
2010 - EDP Sciences | Astronomy and Astrophysics
Lili Alderson, James Kirk, Mercedes López‐Morales, P. J. Wheatley, I. Skillen, Gregory W. Henry, Chima McGruder, Matteo Brogi, Tom Louden, George W. King,
... spectrum of the highly inflated Saturn-mass exoplanet WASP-21b, using three transits obtained with the ACAM instrument ... therefore conclude that aerosols in the atmosphere of WASP-21b are giving rise to the steep slope that we observe, and that WASP-21b is an excellent target for infra-red observations ...
Tópico(s): Astro and Planetary Science
2020 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
S. C. C. Barros, D. Pollacco, Neale P. Gibson, I. D. Howarth, F. P. Keenan, E. K. Simpson, I. Skillen, I. A. Steele,
... present high-precision transit observations of the exoplanet WASP-21b, obtained with the Rapid Imager to Search for ... d. We found no transit timing variations in WASP-21b.
Tópico(s): Adaptive optics and wavefront sensing
2011 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
J. D. Hartman, G. Á. Bakos, B. Sato, Guillermo Torres, R. W. Noyes, David W. Latham, G. Kovács, Debra A. Fischer, Andrew W. Howard, John Asher Johnson, Geoffrey W. Marcy, Lars A. Buchhave, Gábor Fűrész, G. Perumpilly, B. Béky, R. P. Stefanik, Dimitar Sasselov, Gilbert A. Esquerdo, Mark E. Everett, Z. Csubry, J. Lázár, I. Papp, P. Sári,
... HAT-P-19b join HAT-P-12b and WASP-21b in an emerging group of low-density Saturn- ... core masses. However, unlike HAT-P-12b and WASP-21b, both HAT-P-18b and HAT-P-19b ...
Tópico(s): Astrophysics and Star Formation Studies
2010 - IOP Publishing | The Astrophysical Journal
G. Chen, N. Casasayas-Barris, Ε. Πάλλη, Luis Welbanks, Nikku Madhusudhan, R. Luque, F. Murgas,
... probe to link upper and lower atmospheric layers. WASP-21b is a Saturn-mass hot Jupiter orbiting a ... we present a low-resolution transmission spectrum for WASP-21b based in one transit observed by the OSIRIS ... Jupiters with relatively clear atmospheres from others, and WASP-21b has the largest metric value among all the ... Na at both lower and upper atmosphere of WASP-21b reveals that it is an ideal target for ...
Tópico(s): Astro and Planetary Science
2020 - EDP Sciences | Astronomy and Astrophysics
Martin Seeliger, M. Kitze, R. Errmann, S. Richter, J. Ohlert, Wu Chen, Jinli Guo, E. Göğüş, T. Güver, Berk Aydın, S. Mottola, S. Hellmich, M. Fernández, F. J. Aceituno, D. Dimitrov, D. Kjurkchieva, Eric L. N. Jensen, David H. Cohen, E. Kundra, T. Pribulla, M. Vaňko, J. Budaj, M. Mallonn, Zhen Wu, X. Zhou, St. Raetz, Christian Adam, T. O. B. Schmidt, Aljoscha Ide, M. Mugrauer, Laurence A. Marschall, M. Hackstein, R. Chini, Mary E. Haas, T. Ak, E. Güzel, Aykut Özdönmez, C. Ginski, C. Marka, Judy Schmidt, B. Dinçel, K. Werner, A. Dathe, J. Greif, V. Wolf, Sven Buder, A. Pannicke, D. Puchalski, R. Neuhäuser,
... P-19b, HAT-P-27b/WASP-40b and WASP-21b. All of them are suspected to show TTVs ...
Tópico(s): Astrophysics and Star Formation Studies
2015 - Oxford University Press | Monthly Notices of the Royal Astronomical Society