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J/PASJ/56/295       BVIc photometry of old open clusters     (Hasegawa+, 2004)

New photometric data of old open clusters in the anti-galactic center region. Hasegawa T., Malasan H.L., Kawakita H., Obayashi H., Kurabayashi T., Nakai T., Hyakkai M., Arimoto N. <Publ. Astron. Soc. Jap., 56, 295-311 (2004)> =2004PASJ...56..295H
ADC_Keywords: Clusters, open ; Photometry, UBVRI Keywords: Galaxy: evolution - Galaxy: open clusters and associations: general - Galaxy: structure - ISM: extinction Abstract: We present new photometric data for 14 galactic open clusters taken by the 65cm telescope at Gunma Astronomical Observatory. They were in the anti-galactic center region selected from the Catalog of Open Cluster Data (Lynga, 1987, See Cat. J/A+A/438/1163). We estimated the parameters of the clusters, i.e., age, metallicity, distance, and reddening, by fitting Padova isochrones to the color-magnitude diagram. Description: The data were collected with the 65cm telescope at the Gunma Astronomical Observatory, equipped with a CCD camera. Standard Bessell B, V and I filters (Bessell, 1990PASP..102.1181B) were used, and the magnitudes of the stars were transformed into the Johnson-Cousins system. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file clusters.dat 43 14 List of targets table3.dat 63 2046 Photometric data
See also: J/A+A/438/1163 : Catalogue of Open Cluster Data (COCD) (Kharchenko+, 2005) Byte-by-byte Description of file: clusters.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Cluster Cluster name 15- 16 I2 h RAh Right ascension (J2000.0) 18- 19 I2 min RAm Right ascension (J2000.0) 21- 22 I2 s RAs Right ascension (J2000.0) 24 A1 --- DE- Declination sign (J2000.0) 25- 26 I2 deg DEd Declination (J2000.0) 28- 29 I2 arcmin DEm Declination (J2000.0) 32- 37 F6.2 deg GLON Galactic longitude 39- 43 F5.2 deg GLAT Galactic latitude
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Cluster Cluster name 14- 16 I3 --- HMK Sequential number of the star in the cluster (1) 18- 23 F6.2 pix Xpos X position (2) 25- 30 F6.2 pix Ypos Y position (2) 32- 36 F5.2 mag Bmag ?=99.99 Johnson B magnitude 38- 42 F5.2 mag Vmag Johnson V magnitude 44- 48 F5.2 mag Icmag Cousins I magnitude 50- 53 F4.2 mag e_Bmag ?=9.99 rms uncertainty on Bmag 55- 58 F4.2 mag e_Vmag rms uncertainty on Vmag 60- 63 F4.2 mag e_Icmag rms uncertainty on Icmag
Note (1): Star identified as "Cl* Cluster HMK NNN" in Simbad Note (2): 1 pix = 0.6".
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 01-Nov-2005
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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