[PDF] Top 20 Classification of variable stars in the WFCAM Transit Survey
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Classification of variable stars in the WFCAM Transit Survey
... Each of the fields is observed by conducting eight pointings of the WFCAM pawprint. Then they are tiled together in order to provide a uniform coverage across the field. The cadence of the resulting light curves ... See full document
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K2 variable catalogue – II Machine learning classification of variable stars and eclipsing binaries in K2 fields 0–4
... for variable star classification, through the combination of Kohonen Self-Organizing Maps (SOMs, an unsupervised machine learning algorithm) and the more common Random Forest (RF) supervised machine ... See full document
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Improved methodology for the automated classification of periodic variable stars
... of variable stars, both of known and unknown ...billion stars during five ...of stars with ground-based automated telescopes de- liver large numbers of light ...and classification of ... See full document
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Challenges in the automated classification of variable stars in large databases
... 1. Astronomical time series are typically irregularly sampled, noisy, and gappy, and even within the same survey, they can vary in terms of number of observations, sampling, signal-to-noise ratios, etc., due to ... See full document
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Gössl, Claus (2007): Finding Cepheid Variable Stars in Northern Dwarf Galaxies of the Local Group. Dissertation, LMU München: Fakultät für Physik
... classified variable candidates of Hoessel et ...and classification I did not repeat this painful exercise for the Hoessel et ...1270 stars in Peg ... See full document
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Synergies between exoplanet surveys and variable star research
... shallow transit events is only a few percent of the orbital period, the goal was to monitor continuously as many stars as possible for at least a period of a few ...of stars have been analyzed and ... See full document
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A survey for variable young stars with small telescopes : first results from HOYS CAPS
... Figure 4. NIR/MIR colour-colour diagrams of the variable objects investigated. Left: WISE W1-W2 vs H-K 2MASS colour-colour plot. The dashed black lines enclose the region of CTTSs from Koenig & Leisawitz ... See full document
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A survey for variable young stars with small telescopes : first results from HOYS CAPS
... 466 variable (413 confirmed young) stars in 8 young, nearby ...of variable YSOs observed over such a time-span and cadence in multiple ...T-Tauri stars, while the rest are objects with de- ... See full document
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WTS1 b: The first planet detected in the WFCAM Transit Survey - An inflated hot-Jupiter in a 3.35 day orbit around a late F-star
... host stars, and the unexpected large radii of many of them, is an unresolved problem in the theory of planet formation and evolution ...ground-based transit and radial velocity (RV) ...the WFCAM ... See full document
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WTS-2 b: Too close for comfort?
... convective stars being the more efficient ...the WFCAM Transit Survey (WTS), and one that could provide such a constraint in the K-dwarf ... See full document
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PHOTOMETRIC ANALYSIS OF VARIABLE STARS IN NGC 299
... hot stars in the SMC are photometrically ...selected stars and found that 4.9% (9 out of 183) of B stars and ...Be stars were low-amplitude, short-period pulsating ...Be stars), ... See full document
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Pulsating variable stars and large spectroscopic surveys
... faint stars observed by G aia (r < 19 mag), abundances of up to 15 chemical elements for stars with V ≤ 16 mag, and redshifts of galaxies and active galactic nuclei with r ≤ 22 ...all stars with V ... See full document
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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... 6328 stars in the three parts of the current Name-List, the total number of named variable stars, not counting designated non-existing stars or stars subsequently identified with ... See full document
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Multi wavelength observations of cataclysmic variable stars
... The thin regime above the surfa e of Z Cha's white dwarf, known as the boundary layer, is measured and dis ussed in x6 by using a ombination of Ultra am opti al data with X-ray observati[r] ... See full document
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Building Positive Future Orientations: The Role of Natural Mentors in the Lives of African American Girls
... solar-type stars, aiming to better understand the types of objects (planets, brown dwarfs, or other stars) that inhabit their immediate ...single stars were believed to foster environments conducive ... See full document
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Pulsating stars in the VMC survey
... Astronomy Survey Unit (CASU) and the Wide Field Astronomy Unit (WFAU) in Edinburgh for pro- viding calibrated data products under the support of the Science and Technology Facility Council (STFC) in the ... See full document
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OF THE IA INF ORMA TION BULLETIN ON ARIABLE ST ARS
... Table 5 lists oordinates and identi ations for the 107 variable stars found in Table I of the dis overy paper, followed by the 16 variable stars previously dis overed by Luyten, from Hoe[r] ... See full document
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Variable stars in the bulge globular cluster NGC 6401
... tic (method 2), as defined in equation 3 from Figuera Jaimes et al. (2013). Data points deviating more than three times the RMS error from the mean magnitude were clipped during this process. This removed between 0-4 ... See full document
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HD220735 AND HD30110, NEW SHORT PERIOD VARIABLE STARS
... To determine physical parameters, unreddened photometric values have to be determined through appropriate calibrations. These calibrations were proposed by Nissen (1988) for A and F type stars. Therefore, it is ... See full document
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