Results 41 to 50 of about 268,528 (172)

Toward Detection of Exoplanetary Rings via Transit Photometry: Methodology and a Possible Candidate [PDF]

, 2017
The detection of a planetary ring of exoplanets remains one of the most attractive, but challenging, goals in the field of exoplanetary science. We present a methodology that implements a systematic search for exoplanetary rings via transit photometry of
M. Aizawa, S. Uehara, K. Masuda, H. Kawahara, Y. Suto   +4 more
semanticscholar   +1 more source

Exoplanet transit spectro-photometry with SOFIA [PDF]

Proceedings of the International Astronomical Union, 2010
AbstractWe present the prospects of observing extrasolar planets with the Stratospheric Observatory for Infrared Astronomy (SOFIA). Our analysis shows that optical and near-infrared photometric and spectrophotometric follow-up observations during planetary transits and\break eclipses will be feasible with SOFIA's instrumentation, especially with the ...
Hans Zinnecker, Alfred Krabbe, Daniel Angerhausen   +2 more
openaire   +2 more sources

Photodynamical analysis of the nearly resonant planetary system WASP-148. Accurate transit-timing variations and mutual orbital inclination [PDF]

Astronomy & Astrophysics, 2022
WASP-148 is a recently announced extra-solar system harbouring at least two giant planets. The inner planet transits its host star. The planets travel on eccentric orbits and are near the 4:1 mean-motion resonance, which implies significant mutual ...
J. Almenara, G. Hébrard, R. D'iaz, J. Laskar, A. Correia, D. Anderson, I. Boisse, X. Bonfils, D. Brown, V. Casanova, A. Cameron, M. Fern'andez, J. Jenkins, F. Kiefer, A. L. D. Étangs, J. Lissauer, G. Maciejewski, J. McCormac, H. Osborn, D. Pollacco, G. Ricker, J. S'anchez, S. Seager, S. Udry, D. Vérilhac, J. Winn   +25 more
semanticscholar   +1 more source

The effects of star spots on transit photometry [PDF]

Proceedings of the International Astronomical Union, 2010
AbstractWe have undertaken an observational program to photometrically monitor several transiting planet host stars. The Rabus et al. result for TrES-1 showed the dramatic effects star spots can have on transit photometry. We will investigate the effects of spots on transit light curves and estimates of planetary radii.
Damian J. Christian, John R. Hodgson
openaire   +2 more sources

No Conclusive Evidence for Transits of Proxima b in MOST Photometry [PDF]

The Astronomical Journal, 2017
Abstract The analysis of Proxima Centauri’s radial velocities recently led Anglada-Escudé et al. to claim the presence of a low-mass planet orbiting the Sun’s nearest star once every 11.2 days. Although the a priori probability that Proxima b transits its parent star is just 1.5%, the potential impact of such a discovery would be ...
Robert J. Siverd, Rainer Kuschnig, Z. Csubry, Gáspár Á. Bakos, Anthony F. J. Moffat, Joao Bento, Chris Cameron, David B. Guenther, Luigi Mancini, Joel D. Hartman, Andrés Jordán, Andrés Jordán, Jingjing Chen, Daniel Bayliss, Emily Sandford, Thomas Henning, Waqas Bhatti, James R. A. Davenport, Werner W. Weiss, Jason F. Rowe, David M. Kipping, Kaloyan Penev, Slavek M. Rucinski, Dimitar Sasselov, Jaymie M. Matthews   +24 more
openaire   +4 more sources

Simultaneous multicolour optical and near-IR transit photometry of GJ 1214b with SOFIA [PDF]

, 2017
Context. The benchmark exoplanet GJ 1214b is one of the best studied transiting planets in the transition zone between rocky Earth-sized planets and gas or ice giants.
D. Angerhausen, D. Angerhausen, C. Dreyer, Ben Placek, Sz. Csizmadia, P. Eigmueller, M. Godolt, M. Godolt, D. Kitzmann, M. Mallonn, E. Becklin, E. Becklin, P. Collins, Edward W. Dunham, J. Grenfell, R. Hamilton, P. Kabáth, S. Logsdon, A. Mandell, G. Mandushev, M. McElwain, Ian S. McLean, E. Pfueller, Heike Rauer, Heike Rauer, M. Savage, Sachindev S. Shenoy, William Vacca, J. Cleve, M. Wiedemann, J. Wolf   +30 more
semanticscholar   +1 more source

High-precision photometry of WASP-12 b transits [PDF]

Astronomy & Astrophysics, 2011
5 pages, 3 figures, accepted for publication in A& ...
M. Seeliger, Ralph Neuhäuser, Gracjan Maciejewski, Ronny Errmann, Izabela Spaleniak, Raetz   +5 more
openaire   +2 more sources

NEAR-INFRARED TRANSIT PHOTOMETRY OF THE EXOPLANET HD 149026b [PDF]

The Astrophysical Journal, 2009
The transiting exoplanet HD 149026b is an important case for theories of planet formation and planetary structure, because the planet's relatively small size has been interpreted as evidence for a highly metal-enriched composition. We present observations of 4 transits with the Near Infrared Camera and Multi-Object Spectrometer on the Hubble Space ...
Carter, Joshua Adam, Winn, Joshua Nathan, Gilliland, Ronald L., Holman, Matthew J.   +3 more
openaire   +4 more sources

Differential rotation of Kepler-71 via transit photometry mapping of faculae and starspots

Monthly notices of the Royal Astronomical Society, 2019
Knowledge of dynamo evolution in solar-type stars is limited by the difficulty of using active region monitoring to measure stellar differential rotation, a key probe of stellar dynamo physics.
S. Zaleski, A. Valio, S. Marsden, B. Carter   +3 more
semanticscholar   +1 more source

Optical photometry of two transitional millisecond pulsars in the radio pulsar state [PDF]

Monthly Notices of the Royal Astronomical Society, 2021
ABSTRACT We present ULTRACAM multiband optical photometry of two transitional millisecond pulsars (tMSPs), PSR J1023+0038 and PSR J1227−4853, taken while both were in their radio pulsar states. The light curves show significant asymmetry about the flux maxima in all observed bands, suggesting an asymmetric source of heating in the system.
Rene P. Breton, Mark Kennedy, Tariq Shahbaz, Guillaume Voisin, C. J. Clark, Daniel Mata Sánchez, Daniel Mata Sánchez, Daniel Mata Sánchez, V. S. Dhillon, Marten H. van Kerkwijk, J. Stringer, Tom Marsh   +11 more
openaire   +6 more sources