J/A+AS/100/517 CCD Observations of wide visual double stars (van Dessel+ 1993)
CCD astrometry and instrumental Delta-V photometry of wide visual double stars.
III. Differential measurements of often observed southern pairs.
VAN DESSEL A., SINACHOPOULOS D.
<Astron. Astrophys. Suppl. Ser. 100, 517 (1993)>
=1993A&AS..100..517V 1993A&AS..100..517V
ADC_Keywords: Binaries, visual; Astrometric data; Photometry
Keywords: astrometry - visual double stars
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 80 91 The observations (epoch: 1992.5)
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Byte-per-byte Description of file: table1
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Bytes Format Units Label Explanations
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2- 3 I2 h RAh right ascension J2000
5- 8 F4.1 min RAm right ascension J2000
10 A1 --- DE- declination sign
11- 12 I2 deg DEd declination J2000
14- 15 I2 arcmin DEm declination J2000
17- 26 A10 --- IDS IDS19000 code of the double stars as listed
in WDS (Worley and Douglass, 1984)
28- 36 A9 --- Durchm. Durchmusterung designation of the primaries
41- 42 A2 --- Sp1 spectral type of the primary
43- 44 A2 --- Sp2 spectral type of the component B when known
46- 49 F4.1 mag mA primary magnitude taken from the WDS
51- 54 F4.2 mag Delta-V observed magnitude difference Delta-V
56- 58 F3.2 mag e_Delta-V rms uncertainty on Delta-V
60- 64 F5.2 arcsec rho angular separation
66- 68 F3.2 arcsec e_rho rms uncertainty on rho
70- 75 F6.2 deg theta position angle
77- 80 F4.2 deg e_theta rms uncertainty on theta
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Reference:
Worley C.E. & Douglass G.G. 1984, The Washington Visual Double Star Catalog,
Publ. U.S. Naval Obs. (magnetic tape)
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Courtesy: D. Sinachopoulos
(End) Francois Ochsenbein [CDS] 07-Jan-1994