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相关论文: AutoRegressive Planet Search: Application to the K…

200 篇论文

Photometry of stars from the K2 extension of NASA's Kepler mission is afflicted by systematic effects caused by small (few-pixel) drifts in the telescope pointing and other spacecraft issues. We present a method for searching K2 light…

地球与行星天体物理 · 物理学 2015-06-03 Daniel Foreman-Mackey , Benjamin T. Montet , David W. Hogg , Timothy D. Morton , Dun Wang , Bernhard Schölkopf

Stellar rotation plays a key role in stellar activity. The rotation period could be detected through light curve variations caused by starspots. Kepler provides two types of light curves, one is the Pre-search Data Conditioning (PDC) light…

太阳与恒星天体物理 · 物理学 2019-10-02 Kaiming Cui , Jifeng Liu , Shuhong Yang , Qing Gao , Huiqin Yang , Roberto Soria , Lin He , Song Wang , Yu Bai , Fan Yang

For a solar-like star, the surface rotation evolves with time, allowing in principle to estimate the age of a star from its surface rotation period. Here we are interested in measuring surface rotation periods of solar-like stars observed…

太阳与恒星天体物理 · 物理学 2019-06-25 S. N. Breton , L. Bugnet , A. R. G. Santos , A. Le Saux , S. Mathur , P. L. Palle , R. A. Garcia

The recently approved NASA K2 mission has the potential to multiply by an order of magnitude the number of short-period transiting planets found by Kepler around bright and low-mass stars, and to revolutionise our understanding of stellar…

天体物理仪器与方法 · 物理学 2015-06-23 Suzanne Aigrain , Simon T. Hodgkin , Michael J. Irwin , Jim R. Lewis , Stephen J. Roberts

We present the initial results of a 40 night contiguous ground-based campaign of time series photometric observations of a 1.39 sq. deg field located within the NASA Kepler mission field of view. The goal of this pre-launch survey was to…

With the availability of large-scale surveys like Kepler and TESS, there is a pressing need for automated methods to classify light curves according to known classes of variable stars. We introduce a new algorithm for classifying light…

太阳与恒星天体物理 · 物理学 2022-06-30 Nicholas H. Barbara , Timothy R. Bedding , Ben D. Fulcher , Simon J. Murphy , Timothy Van Reeth

We present the results of a search for potential transit signals in the full 17-quarter data set collected during Kepler's primary mission that ended on May 11, 2013, due to the on-board failure of a second reaction wheel needed to maintain…

NASA's Kepler Mission promises to detect transiting Earth-sized planets in the habitable zones of solar-like stars. In addition, it will be poised to detect the reflected light component from close-in extrasolar giant planets (CEGPs)…

天体物理学 · 物理学 2009-11-07 Jon M. Jenkins , Laurance R. Doyle

The Kepler mission has revolutionized our understanding of exoplanets, but some of the planet candidates identified by Kepler may actually be astrophysical false positives or planets whose transit depths are diluted by the presence of…

地球与行星天体物理 · 物理学 2015-06-22 Courtney D. Dressing , Elisabeth R. Adams , Andrea K. Dupree , Craig Kulesa , Don McCarthy

High-resolution ground-based optical speckle and near-infrared adaptive optics images are taken to search for stars in close angular proximity to host stars of candidate planets identified by the NASA Kepler Mission. Neighboring stars are a…

地球与行星天体物理 · 物理学 2015-06-23 Mark E. Everett , Thomas Barclay , David R. Ciardi , Elliott P. Horch , Steve B. Howell , Justin R. Crepp , David R. Silva

The Kepler mission has discovered over 2500 exoplanet candidates in the first two years of spacecraft data, with approximately 40% of them in candidate multi-planet systems. The high rate of multiplicity combined with the low rate of…

The Kepler Mission was launched on March 6, 2009 to perform a photometric survey of more than 100,000 dwarf stars to search for terrestrial-size planets with the transit technique. Follow-up observations of planetary candidates identified…

Aims. We present our re-analyze the Kepler photometric dataset, searching for planetary transits using an alternative processing pipeline to the one used by the Kepler Mission. Methods. The SARS pipeline was tested extensively by processing…

地球与行星天体物理 · 物理学 2015-06-05 Aviv Ofir , Stefan Dreizler

(Abridged) NASA's Kepler mission has provided several thousand transiting planet candidates, yet only a small subset have been confirmed as true planets. Therefore, the most fundamental question about these candidates is the fraction of…

The rotation periods of planet-hosting stars can be used for modeling and mitigating the impact of magnetic activity in radial velocity measurements and can help constrain the high-energy flux environment and space weather of planetary…

太阳与恒星天体物理 · 物理学 2022-03-23 Yuxi , Lu , Ruth Angus , Marcel A. ~Agüeros , Kirsten Blancato , Melissa Ness , Jason L. ~Curtis , Sam Grunblatt

We have performed an extensive search for planet candidates in the publicly available Kepler Long Cadence data from quarters Q1 through Q6. The search method consists of initial de-trending of the data, applying the trend filtering…

地球与行星天体物理 · 物理学 2012-11-28 Xu Huang , Gáspár Á. Bakos , Joel D. Hartman

With only two functional reaction wheels, Kepler cannot maintain stable pointing at its original target field and entered a new mode of observation called K2. Our method is based on many years of experience in planet hunting for the CoRoT…

地球与行星天体物理 · 物理学 2016-10-19 S. C. C. Barros , O. Demangeon , M. Deleuil

We present a comprehensive study of phase curves and secondary eclipses in the Kepler data set using all data from 16 quarters that were available in 2013-2014. Our sample consists of 20 confirmed planets with R_p > 4 R_e ,P < 10d, V_mag <…

太阳与恒星天体物理 · 物理学 2015-11-18 Daniel Angerhausen , Emily DeLarme , Jon A. Morse

The DIAmante TESS AutoRegressive Planet Search (DTARPS) project seeks to identify photometric transiting planets from 976,814 southern hemisphere stars observed in Year 1 of the TESS mission. This paper follows the methodology developed by…

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…

地球与行星天体物理 · 物理学 2025-02-19 John Bienias , Robert Szabo