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J/AJ/121/3114      UBVR photometry of NGC 6712 with VLT     (Paltrinieri+, 2001)

VLT observations of the peculiar globular cluster NGC 6712. III. The evolved stellar population. Paltrinieri B., Ferraro F.R., Paresce F., de Marchi G. <Astron. J. 121, 3114 (2001)> =2001AJ....121.3114P
ADC_Keywords: Clusters, globular ; Photometry, UBVRI Keywords: globular clusters: individual (NGC 6712) - stars: evolution - stars: Population II Abstract: We present extensive UBVR photometry of the Galactic globular cluster (GGC) NGC 6712 obtained with the ESO Very Large Telescope (VLT) which reaches down to 2 mag below the main-sequence turn-off and allows us for the first time to determine the age of this cluster. Objects: ---------------------------------------------------------- RA (2000) DE Designation(s) ---------------------------------------------------------- 18 53 04.3 -08 42 21 NGC 6712 ---------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 12 54 Red giant branch (RGB)-Sub-giant branch (SGB) mean ridge line table2.dat 56 113 Blue straggler stars (BSS) candidates in NGC 6712
See also: J/AJ/109/1131 : JHK Photometry in Metal Rich Globulars. I. (Kuchinski+ 1995) J/AJ/109/1154 : JHK Photometry of Liller 1 (Frogel+ 1995) J/AJ/110/2844 : JHK photometry of globular clusters. III. (Kuchinski+ 1995) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 5 F5.3 mag B-V The (B-V) color 7- 12 F6.3 mag Vmag The V band magnitude
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 7 A7 --- BSS Blue straggler star (BSS or E-BSS) candidate number (Cl* NGC 6712 BSS NNN or Cl* NGC 6712 EBSS N in Simbad) 9- 13 I5 --- PFP Identification number (Cl* NGC 6712 PFP NNNNN in Simbad) 15- 19 F5.2 mag Vmag The V band magnitude 21- 25 F5.2 mag Bmag The B band magnitude 27- 31 F5.2 mag Rmag The R band magnitude 33- 37 F5.2 mag Umag The U band magnitude 39- 46 F8.3 pix Xpix X pixel coordinate relative to the adopted cluster center (1) 48- 55 F8.3 pix Ypix Y pixel coordinate relative to the adopted cluster center (1)
Note (1): In the adopted coordinate system the cluster center is at (0,0) estimated at (18 53 04.6, -08 42 18.50) (J2000). 1 pixel = 0.1 arcsecond. North is up and east is to the left. See Paper I, Ferraro et al., 2000ApJ...542L..29F, for the description of the cluster center determination.
History: From electronic version of the journal References: Ferraro et al., Paper I 2000ApJ...542L..29F Andreuzzi et al., Paper II 2001A&A...372..851A
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 11-Sep-2001
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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