- ID:
- ivo://CDS.VizieR/J/MNRAS/370/2013
- Title:
- Catalogue of close binaries
- Short Name:
- J/MNRAS/370/2013
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- A catalogue of close eclipsing binary systems (detached and semidetached) with at least one of the components located in the delta Scuti region of the Cepheid instability strip is presented. The positions of the stars in the instability strip are determined by their accurate temperatures and luminosities. Observationally detected binaries (20 semidetached, four detached and one unclassified) with oscillating components were included in the catalogue as a separate table. The primaries of the oscillating Algols tend to be located near the blue edge of the instability strip. Using reliable luminosities and temperatures determined by recent photometric and spectroscopic studies, we have found that at least one or two components of 71 detached and 90 semidetached systems are located in the delta Scuti region of the Cepheid instability strip. In addition, 36 detached or semidetached systems discovered by the Hipparcos satellite were also given as a separate list. One of their components is seen in the delta Scuti region, according to their spectral type or BV colours. They are potential candidate binaries with the delta Scuti-type pulsating components which need further photometric and spectroscopic studies in better precision. This catalogue covers information and literature references for 25 known and 197 candidate binaries with pulsating components.
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- ID:
- ivo://CDS.VizieR/J/MNRAS/331/609
- Title:
- Catalogue of eclipsing binaries in the SMC
- Short Name:
- J/MNRAS/331/609
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The catalogue lists 167 eclipsing binary stars in the Small Magellanic Cloud detected in the database of time-series photometry for 400000 SMC stars acquired by the Microlensing Observations in Astrophysics (MOA) project during 1997. Coordinates, ephemerides, magnitudes and light curves are presented. Thirty-five systems are new detections. The limiting magnitude is about 17.5. The majority of periods lie within the range 0.4 to 20 days; 6 systems are possibly eccentric while 14 are probably or certainly so. The majority of the newly-identified systems lie in the outer regions of the SMC.
- ID:
- ivo://CDS.VizieR/J/A+A/446/785
- Title:
- Catalogue of eclipsing variables
- Short Name:
- J/A+A/446/785
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- A new catalogue of 6330 eclipsing variable stars is presented. The catalogue was developed from the General Catalogue of Variable Stars (GCVS) and its textual remarks by including recently published information about classification of 843 systems and making corresponding corrections of GCVS data. The catalogue represents the largest list of eclipsing binaries classified from observations.
- ID:
- ivo://CDS.VizieR/J/AN/334/860
- Title:
- Catalogue of eclipsing variables. Version 2
- Short Name:
- J/AN/334/860
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- A new version of the Catalogue of Eclipsing Variables is presented. The catalogue contains parameters and morphological types of light curves for some 7200 stars. Spectral classification is also given when available. Recently published information about classification of 1352 systems is included in the catalogue. The catalogue represents the largest list of eclipsing binaries with available classification.
- ID:
- ivo://CDS.VizieR/V/119
- Title:
- Catalogue of field contact binary stars
- Short Name:
- V/119
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The catalogue of 361 galactic contact binaries is presented. Enlisted contact binaries are divided into five groups according to the type and quality of the available observations and parameters. For all systems the ephemeris for the primary minimum, minimum and maximum visual brightness and equatorial coordinates are given. If available, photometric elements, (M_1_+M_2_)*(sin)i^3^, spectral type, parallax and magnitude of the O'Connell effect are also given. Photometric data for several systems are augmented by new observations. The quality of the available data is assessed and systems requiring modern light-curve solutions are selected. Selected statistical properties of the collected data are discussed.
- ID:
- ivo://CDS.VizieR/J/A+AS/111/229
- Title:
- CCD meas. of visual binaries
- Short Name:
- J/A+AS/111/229
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We report CCD measurements of 33 visual double stars observed at the 1-meter coude reflector of the Observatorio de Llano del Hato located at Merida, Venezuela. We also present an algorithm to determine the stars' centroids for superimposed images as well as a brief comparison of accuracies attained by the algorithm and the program CENTER of the IRAF package.
- ID:
- ivo://CDS.VizieR/J/other/IBVS/5493
- Title:
- 2003 CCD minima of eclipsing binaries
- Short Name:
- J/other/IBVS/549
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- - Observatory and telescope: Sylvester Robotic Observatory (SRO): 33cm f/4.5 Newtonian on Paramount GT-1100s mount - Detector: SRO: SBIG ST7e, 1.24 pixels, 15.8x10.5 FOV, cooled -10<T<-30{deg}C - Method of data reduction: Aperture photometry using MIRA, by Axiom Research - Method of minimum determination: Digital tracing paper method, bisection of chords, curve fitting, and (occasionally) Kwee and van Woerden (1956BAN....12..327K)
- ID:
- ivo://CDS.VizieR/J/ApJS/254/10
- Title:
- Compilation of W UMa stars
- Short Name:
- J/ApJS/254/10
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present a statistical study of the largest bibliographic compilation of stellar and orbital parameters of W UMa stars derived by light-curve synthesis with Roche models. The compilation includes nearly 700 individually investigated objects from over 450 distinct publications. Almost 70% of this sample is comprised of stars observed in the past decade that have not been considered in previous statistical studies. We estimate the ages of the cataloged stars, model the distributions of their periods, mass ratios, temperatures, and other quantities, and compare them with the data from the Catalina Real-Time Transient Survey, LAMOST, and Gaia archives. As only a small fraction of the sample has radial-velocity curves, we examine the reliability of the photometric mass ratios in totally and partially eclipsing systems and find that totally eclipsing W UMa stars with photometric mass ratios have the same parameter distributions as those with spectroscopic mass ratios. Most of the stars with reliable parameters have mass ratios below 0.5 and orbital periods shorter than 0.5 days. Stars with longer periods and temperatures above 7000K stand out as outliers and should not be labeled W UMa binaries.
- ID:
- ivo://CDS.VizieR/J/MNRAS/465/4678
- Title:
- 9380 contact binaries from CRTS VSC
- Short Name:
- J/MNRAS/465/4678
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We construct a sample of 9380 contact binaries (W UMa systems) by using the Catalina Real-Time Transient Survey Variables Sources Catalogue. By measuring brightness change rates, light-curve statistics, and temperatures for this sample, we improve the understanding of contact binary light-curve characteristics, and luminosity variability on decadal time-scales. We show that binaries with convective outer envelopes have a different distribution of light-curve amplitudes and magnitude differences between eclipse minima than binaries with radiative outer envelopes. We find that more than 2000 binaries exhibit a linear change in mean brightness over the 8-yr timespan of observations with at least 3{sigma} significance. We note that 25.9 per cent of binaries with convective outer envelopes exhibit a significant change in brightness, while only 10.5 per cent of radiative binaries exhibit a significant change in brightness. In 205 binaries (2.2 per cent), we find that a sinusoid model better describes the luminosity trend within the 8-yr observation timespan. For these binaries, we report the amplitudes and periods (as estimated using observed half-periods) of this sinusoidal brightness variation and discuss possible mechanisms driving the variation.
- ID:
- ivo://CDS.VizieR/J/AcA/51/259
- Title:
- Contact binaries in OGLE-I database
- Short Name:
- J/AcA/51/259
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The present catalog contains the most numerous, observationally homogeneous sample of contact binaries. It is derived from the OGLE experiment (Optical Gravitational Lensing Experiment), in the direction of the Galactic Bulge and the Galactic bar. The observations were made with the 1-m Swope telescope at Las Campanas Observatory in Chile, over the period 1992 to 1995. The present catalog includes the 1575 newly discovered contact binaries fainter than I=18mag as well as the 1165 brighter contact binaries previously published. It also includes a list of 506 objects with nearly sinusoidal light curves, to ease the comparison and/or distinction between contact binaries with the sinusoidal light curves and pulsating stars.
