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J/A+AS/144/227 BV photometry of M71 (Geffert+, 2000)
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First results of a photometric and astrometric study of the
globular cluster M 71 (NGC 6838).
Geffert M., Maintz G.
<Astron. Astrophys. Suppl. Ser. 144, 227 (2000)>
=2000A&AS..144..227G
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ADC_Keywords: Clusters, globular ; Photometry, UBV ; Photometry, CCD
Keywords: astrometry - stars: blue stragglers -
Galaxy: globular clusters : individual: M 71
Description:
File table2 contains coordinates (J2000) and B,V magnitudes and B-V
colours with corresponding errors of 4450 stars in a 20'x20' region
centered on the globular cluster M 71 (NGC 6838). The limiting
magnitude of the catalogue is about V=18.0
The observations were made in 1995 at Calar Alta Observatory.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 64 4450 Coordinates and B and V magnitudes for stars in a
field of 20'x20' around the globular cluster M 71
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See also:
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 2 I2 h RAh Right ascension (2000)
4- 5 I2 min RAm Right ascension (2000)
7- 12 F6.3 s RAs Right ascension (2000)
14 A1 --- DE- Declination sign (2000)
15- 16 I2 deg DEd Declination (2000)
18- 19 I2 arcmin DEm Declination (2000)
21- 25 F5.2 arcsec DEs Declination (2000)
27- 32 F6.3 mag Bmag B-magnitude
34- 38 F5.3 mag e_Bmag Mean error of B-magnitude
40- 45 F6.3 mag Vmag V-magnitude
47- 51 F5.3 mag e_Vmag Mean error of V-magnitude
53- 58 F6.3 mag B-V B-V Colour
60- 64 F5.3 mag e_B-V Mean error of B-V Colour
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Acknowledgements: Michael Geffert <geffert@astro.uni-bonn.de>
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(End) Patricia Bauer [CDS] 27-Jun-2000