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With 16-month Kepler data, 14 long-period (40 d - 265 d) eclipsing binaries on highly eccentric orbits (minimum e between 0.5 and 0.85) are recognized from their closely separated primary and secondary eclipses (\Delta t_I,II = 3 d - 10 d).…

Solar and Stellar Astrophysics · Physics 2012-12-27 Subo Dong , Boaz Katz , Aristotle Socrates

We have combined the Kepler Eclipsing Binary Catalogue with information from the HES, KIS and 2MASS photometric surveys to produce spectral energy distribution fits to over 2600 eclipsing binaries in the catalogue over a wavelength range of…

Solar and Stellar Astrophysics · Physics 2015-06-17 D. J. Armstrong , Y. Gómez Maqueo Chew , F. Faedi , D. Pollacco

The Kepler mission has provided high-accurate photometric data in a long time span for more than two hundred thousands stars, looking for planetary transits. Among the detected candidates, the planetary nature of around 15% has been…

Earth and Planetary Astrophysics · Physics 2015-04-15 J. Lillo-Box , D. Barrado , L. Mancini , Th. Henning , P. Figueira , S. Ciceri , N. Santos

We present 151 planet candidates orbiting 141 stars from K2 campaigns 5-8 (C5-C8), identified through a systematic search of K2 photometry. In addition, we identify 16 targets as likely eclipsing binaries, based on their light curve…

The Kepler mission has discovered thousands of planet candidates. Currently, some of them have already been discarded; more than 200 have been confirmed by follow-up observations, and several hundreds have been validated. However, most of…

Earth and Planetary Astrophysics · Physics 2014-07-02 J. Lillo-Box , D. Barrado , H. Bouy

Eclipsing binaries in star clusters offer more stringent tests of stellar evolution theory than field binaries because models must not only match the binary properties, but also the radiative properties of all other cluster members at a…

Solar and Stellar Astrophysics · Physics 2018-10-24 Guillermo Torres , Jason L. Curtis , Andrew Vanderburg , Adam L. Kraus , Aaron Rizzuto

Context. During the primary Kepler mission, between 2009 and 2013, about 150,000 pre-selected targets were observed with a 29.42 minute-long cadence. However, a survey of background stars that fall within the field of view (FOV) of the…

Earth and Planetary Astrophysics · Physics 2025-02-19 John Bienias , Robert Szabo

49 new eclipsing twin binary candidates are identified and analyzed based on Kepler eclipsing binary light curves. Their colours and spectral types are calculated according to our classification. A comparison of the spectral type…

Solar and Stellar Astrophysics · Physics 2022-05-25 Gökhan Yücel , Volkan Bakış

To fully leverage the statistical strength of the large number of planets found by projects such as the Kepler survey, the properties of planets and their host stars must be measured as accurately as possible. One key population for planet…

Earth and Planetary Astrophysics · Physics 2022-08-31 Kendall Sullivan , Adam L. Kraus , Andrew W. Mann

We report the discovery and confirmation of a transiting circumbinary planet (PH1b) around KIC 4862625, an eclipsing binary in the Kepler field. The planet was discovered by volunteers searching the first six Quarters of publicly available…

We present an analysis of a new, detached, double-lined eclipsing binary system with K7 Ve components, discovered as part of the University of New South Wales Extrasolar Planet Search. The object is significant in that only 6 other binary…

Reported are spectroscopic observations of 15 candidates for Kepler primary asteroseismic targets and 14 other stars in the Kepler field, carried out at three observatories (see the footnote). For all these stars, the radial velocities,…

Solar and Stellar Astrophysics · Physics 2009-07-17 J. Molenda-Zakowicz , A. Frasca , D. W. Latham , M. Jerzykiewicz

The direct detection of new extrasolar planets from high-precision photometry data is commonly based on the observation of the transit signal of the planet as it passes in front of its star. Close-in planets, however, leave additional…

Earth and Planetary Astrophysics · Physics 2021-10-04 J. Lillo-Box , S. Millholland , G. Laughlin

We report spectroscopic observations of 23 candidates for Kepler asteroseismic targets and 10 other stars in the Kepler field, carried out at two observatories (see the footnote). For all these stars, we derive the radial velocities,…

Solar and Stellar Astrophysics · Physics 2009-07-17 J. Molenda-Zakowicz , A. Frasca , D. W. Latham

New transiting planet candidates are identified in sixteen months (May 2009 - September 2010) of data from the Kepler spacecraft. Nearly five thousand periodic transit-like signals are vetted against astrophysical and instrumental false…

The prime Kepler mission detected 34,032 transit-like signals, out of which 8,054 were identified as likely due to astrophysical planet transits or eclipsing binaries. We manually examined 306 of the remaining 25,978 detections, and found…

Earth and Planetary Astrophysics · Physics 2021-10-13 Steve Bryson , Kylar Flynn , Halle Hanna , Talia Green , Jeffrey L. Coughlin , Michelle Kunimoto

We present the results of our Hubble Space Telescope program and describe how our analysis methods were used to re-evaluate the habitability of some of the most interesting Kepler planet candidates. Our program observed 22 Kepler Object of…

Solar and Stellar Astrophysics · Physics 2015-05-20 Kimberly M. S. Cartier , Ronald L. Gilliland , Jason T. Wright , David R. Ciardi

During the primary Kepler mission, between 2009 and 2013, about 150,000 pre-selected targets were observed with a 29.42 minute-long cadence. However, a survey of background stars that fall within the field of view (FOV) of the downloaded…

Solar and Stellar Astrophysics · Physics 2021-07-12 John Bienias , Attila Bódi , Adrienn Forró , Tamás Hajdu , Róbert Szabó

The Kepler Space Telescope is currently searching for planets transiting stars along the ecliptic plane as part of its extended K2 mission. We processed the publicly released data from the first year of K2 observations (Campaigns 0, 1, 2,…