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The feasibility of using data from the NASA STEREO mission for variable star and asteroseismology studies has been examined. A data analysis pipeline has been developed that is able to apply selected algorithms to the entire database of…

太阳与恒星天体物理 · 物理学 2015-05-27 K. T. Wraight , Glenn J. White , D. Bewsher , A. J. Norton

Part of the European Near Earth Asteroids Research (EURONEAR) project, in 2014 we started a survey to observe light curves of Near Earth Asteroids (NEAs) using the available telescopes of this network. This is the first paper presenting…

地球与行星天体物理 · 物理学 2018-01-30 A. Aznar Macias , M. Predatu , O. Vaduvescu , J. Oey

We present the analysis of 12227 type-ab RR Lyrae found among the 200 million public lightcurves in the Catalina Surveys Data Release 1 (CSDR1). These stars span the largest volume of the Milky Way ever surveyed with RR Lyrae, covering…

One of the major science goals of the SkyMapper Survey of the Southern Hemisphere sky is the determination of the shape and extent of the halo of the Galaxy. In this paper we quantify the likely efficiency and completeness of the survey as…

太阳与恒星天体物理 · 物理学 2015-06-17 S. Akhter , G. S. Da Costa , S. C. Keller , B. P. Schmidt , M. S. Bessell , P. Tisserand

The All Sky Automated Survey (ASAS) is monitoring all sky to about 14 mag with a cadence of about 1 day; it has discovered about 10^5 variable stars, most of them new. The instrument used for the survey had aperture of 7 cm. A search for…

天体物理学 · 物理学 2009-11-11 Bohdan Paczynski

We discuss the first part of a survey for RR Lyrae variables in the galactic halo that is being made with the 1m Schmidt telescope at the Venezuelan National Observatory. So far the survey has discovered 497 variables in 380 sq. degrees,…

天体物理学 · 物理学 2007-05-23 A. Katherina Vivas , Robert Zinn

A search for RR Lyrae stars has been conducted in the publicly available data of the Northern Sky Variability Survey (NSVS). Candidates have been selected by the statistical properties of their variation; the standard deviation, skewness…

天体物理学 · 物理学 2008-11-26 Patrick Wils , Christopher Lloyd , Klaus Bernhard

The Rapid Temporal Survey (RATS) explores the faint, variable sky. Our observations search a parameter space which, until now, has never been exploited from the ground. Our strategy involves observing the sky close to the Galactic plane…

星系天体物理 · 物理学 2015-05-27 Thomas Barclay , Gavin Ramsay , Pasi Hakala , Ralf Napiwotzki , Gijs Nelemans , Stephen Potter , Ian Todd

We present a search for RR Lyrae variable stars from archival observations of the Southern Edgeworth-Kuiper Belt Object survey. The survey covers 1675 square degrees along the ecliptic to a mean depth of V=19.5, i.e. a heliocentric distance…

天体物理学 · 物理学 2009-11-13 Stefan C. Keller , Simon Murphy , Sayuri Prior , Gary DaCosta , Brian Schmidt

We have compiled the first all-sky mid-infrared variable-star catalog based on Wide-field Infrared Survey Explorer (WISE) five-year survey data. Requiring more than 100 detections for a given object, 50,282 carefully and robustly selected…

太阳与恒星天体物理 · 物理学 2018-08-08 Xiaodian Chen , Shu Wang , Licai Deng , Richard de Grijs , Ming Yang

The LAMOST spectroscopic survey for Galactic structure and evolution has been in operation since October 2012, following a one-year pilot survey. The pilot survey produced a data release containing over 600,000 stellar spectra. By…

太阳与恒星天体物理 · 物理学 2013-06-21 F. Yang , L. Deng , C. Liu , J. L. Carlin , H. Jo Newberg , K. Carrell , X. Zhang , Z. Bai , F. Wang , H. Zhang , K. Wang , Y. Xin , Y. Xu , S. Gao , Y. Zhang , J. Li , Y Zhao

I report the discovery of twenty-two new variable stars in the Northern Sky: eleven eclipsing, seven pulsating (one of which is suspected), three rotating, and one of unspecified type. Three already known variables (PT Lyr, [WM2007] 1157,…

太阳与恒星天体物理 · 物理学 2014-12-16 Riccardo Furgoni

We present a variable star catalog of an extensive ground-based wide-field variability survey in the globular cluster omega Centauri. Using the ANU 40-inch (1m) telescope at Siding Spring Observatory, the cluster was observed with a 52'x52'…

天体物理学 · 物理学 2008-11-26 David T. F Weldrake , Penny D Sackett , Terry J Bridges

We present results for the QUEST RR Lyrae Survey at low galactic latitude, conducted entirely with observations obtained with the QUEST mosaic camera and the 1.0/1.5m J\"urgen Stock Schmidt telescope at the National Observatory of…

The discovery and characterization of Algol eclipsing binaries (EAs) provide an opportunity to contribute for a better picture of the structure and evolution of low-mass stars. However, the cadence of most current photometric surveys…

太阳与恒星天体物理 · 物理学 2020-09-09 A. Carmo , C. E. Ferreira Lopes , A. Papageorgiou , F. J. Jablonski , C. V. Rodrigues , A. J. Drake , N. J. G. Cross , M. Catelan

Stellar variability in the near-infrared (NIR) remains largely unexplored. The exploitation of public science archives with data-mining methods offers a perspective for the time-domain exploration of the NIR sky. We perform a comprehensive…

太阳与恒星天体物理 · 物理学 2016-08-10 C. E. Ferreira Lopes , I. Dékány , M. Catelan , N. J. G. Cross , R. Angeloni , I. C. Leão , J. R. De Medeiros

We identify 3,113 highly variable objects in 7,200 square degrees of the Palomar-QUEST Survey, which each varied by more than 0.4 magnitudes simultaneously in two broadband optical filters on timescales from hours to roughly 3.5 years. The…

The Vera C. Rubin Observatory will conduct the Legacy Survey of Space and Time (LSST), delivering deep, multi-band ($ugrizy$) imaging data across 18,000 square degrees over the next decade. Before this ultra-wide-field survey, we…

We have conducted a three band (BVI) variability survey of the globular cluster M3. This is the first three band survey of the cluster using modern image subtraction techniques. Observations were made over 9 nights in 1998 on the 1.2m…

天体物理学 · 物理学 2009-11-10 J. D. Hartman , J. Kaluzny , A. Szentgyorgyi , K. Z. Stanek