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J/AN/338/61              The GSH Binary Survey                 (Mugrauer+, 2017)

The Grossschwabhausen Binary Survey. Mugrauer M., Buder S., Reum F., Birth A. <Astron. Nachrichten 338, 61-73 (2017)> =2017AN....338...61M (SIMBAD/NED BibCode)
ADC_Keywords: Surveys ; Stars, double and multiple ; Positional data ; Photometry, CCD Keywords: binaries: visual - methods: observational Abstract: Since 2009 the Grossschwabhausen binary survey is carried out at the University Observatory Jena. This new imaging survey uses available time slots during photometric monitoring campaigns, caused by non-photometric weather conditions, which often exhibit a good atmospheric seeing. The goal of the project is to obtain current relative astrometric measurements of binary systems, that are listed in the Washington Visual Double Star Catalog. In this paper we characterize the target sample of the survey, describe the imaging observations, the astrometric measurements including the astrometric calibration, and present relative astrometric measures of all binaries, which could be obtained in the course of the survey, so far. Description: Relative astrometric measures for more than 350 binary systems from the Washington Visual Double Star Catalog are presented. For each system the angular separations and position angles of their secondary components relative to the primary stars, as well as the magnitude differences between both components, are given. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file gshdata.dat 79 352 Astrometric and photometric data
See also: B/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2014) Byte-by-byte Description of file: gshdata.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS name (based on J2000 position) 12- 13 I2 h RAh Right Ascension (J2000) 15- 16 I2 min RAm Right Ascension (J2000) 18- 22 F5.2 s RAs Right Ascension (J2000) 24 A1 --- DE- Declination sign (J2000) 26- 27 I2 deg DEd Declination (J2000) 29- 30 I2 arcmin DEm Declination (J2000) 32- 35 F4.1 arcsec DEs Declination (J2000) 37- 45 F9.1 d JD Julian Date of observation 47- 49 F3.1 arcsec FWHM FWHM of the primary component (1) 51- 56 F6.3 arcsec Sep Angular separation 58- 62 F5.3 arcsec e_Sep Uncertainty of angular separation 64- 69 F6.2 deg PA Position angle 71- 74 F4.2 deg e_PA Uncertainty of position angle 76- 79 F4.2 mag Dmag Magnitude difference (2)
Note (1): Full-Width-Half-Maximum (FWHM) of the point spread function of the primary component of the observed binary system. Note (2): Magnitude difference between primary and secondary component, measured in the clear-filter of the used CCD-imager.
History: From Markus Mugrauer, markus(at) Acknowledgements: Based on observations obtained with telescopes of the University Observatory Jena, which is operated by the Astrophysical Institute of the Friedrich-Schiller-University.
(End) Markus Mugrauer [AIU Jena, Germany], Patricia Vannier [CDS] 19-Jul-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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