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J/PASP/104/1063      BV Color-Magnitude Diagram for NGC 1851     (Walker 1992)

A BV Color-Magnitude Diagram for the Galactic Globular Cluster NGC 1851 Walker A.R. <Publ. Astron. Soc. Pac. 104, 1063 (1992)> =1992PASP..104.1063W
ADC_Keywords: Clusters, globular ; Photometry, CCD Abstract: BV photometry is provided for 1,234 stars in the magnitude range 13-18 in an annulus between 5 and 20 arc seconds from the center of NGC 1851 and for 1,247 stars in the magnitude range 18-23 at a distance of more than 240 arc seconds from the center. For stars in the magnitude range 16-21, the errors in B-V increase with magnitude from 0.005 mag. to 0.022 mag. See the document file (walker.txt or walker.tex) by Nancy G. Roman for more details. Objects: ----------------------------------------------------- RA (2000) DE Designation(s) ----------------------------------------------------- 05 14 06.3 -40 02 50 NGC 1851 = C 0512-400 ----------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file adc.sty 78 68 To process walker.tex table4 37 2482 Position & Photometry walker.tex 80 138 NSSDC-ADC document walker.txt 72 158 NSSDC-ADC Description
See also: J/AJ/105/527 : RR Lyr stars in NGC 1835 (Walker 1993) J/AJ/112/2020 : UBV Photometry of NGC 1841 (Alcaino+ 1996) Byte-by-byte Description of file: table4
Bytes Format Units Label Explanations
1- 4 I4 --- No Number 6- 11 F6.1 pix X coordinate (0.478arcsec/pix toward North) 13- 18 F6.1 pix Y coordinate (0.478arcsec/pix toward East) 20- 25 F6.3 mag Vmag magnitude 26 A1 --- u_Vmag Uncertaintly flag (:) 27- 32 F6.3 mag (B-V) color 33 A1 --- u_(B-V) Uncertaintly flag (:) 34- 36 A3 --- Rem Remark

(End) [CDS] 16-Jul-1993
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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