II/331 M68 variable star light curves (Rosino+, 1953)
Periodi e curve di luce di stelle variabili nell'ammasso globulare
NGC 4590 = M 68. Nota I & II.
Rosino L., Pietra S.
<Mem. Soc. Astron. Ital., 24, 331 (1953)>
<Mem. Soc. Astron. Ital., 25, 227 (1954)>
=1953MmSAI..24..331R 1953MmSAI..24..331R
+1954MmSAI..25..227R 1954MmSAI..25..227R
=2014yCat.2331....0R 2014yCat.2331....0R
ADC_Keywords: Clusters, globular ; Stars, variable ; Photometry, photographic
Keywords: globular clusters: M68 - stars: variables
Abstract:
110 plates of the globular cluster M68, taken during 1951 to 1953 with
the 24-inch reflector of the station of Lojano, have been the subject
of a photometric investigation.
Description:
Time-series photographic photometry for 25 variable stars in M68.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
stars.dat 32 25 List of variables
lc/* . 25 Individual light curves
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See also:
J/AJ/99/1831 : M 68 BVRI photometry (Alcaino+ 1990)
J/ApJ/412/183 : RR Lyr in M68 (Clement+, 1993)
J/AJ/107/622 : M68 variable star light curves (Brocato+, 1994)
J/AJ/108/555 : BVI photometry in globular cluster M68 (Walker, 1994)
Byte-by-byte Description of file: stars.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- VName Variable name
5- 6 I2 h RAh Right ascension (J2000)
8- 9 I2 min RAm Right ascension (J2000)
11- 15 F5.2 s RAs Right ascension (J2000)
17 A1 --- DE- Declination sign (J2000)
18- 19 I2 deg DEd Declination (J2000)
21- 22 I2 arcmin DEm Declination (J2000)
24- 27 F4.1 arcsec DEs Declination (J2000)
29- 32 I4 yr Date [1953/1954] Year of publication
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Byte-by-byte Description of file: lc/*
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Bytes Format Units Label Explanations
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1- 11 F11.3 d HJD Heliocentric Julian Date
13- 17 F5.2 mag Pmag Photographic magnitude
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Acknowledgements:
Daniel Bramich and Rudi Kuhn extracted the photometry from the Rosino
& Pietra papers (1953, 1954) for their own work and thought it would
be worth sharing it so an electronic version of it is available.
(End) Patricia Vannier [CDS] 03-Apr-2014