Access to Astronomical Catalogues

Search catalogue
obsoleted
in preparation
catalog without ftp or VizieR link
J/PASP/106/828      BVRI photometry of Omega Cen    (Walker 1994)

BVRI photometry of the omega Centauri Hubble Space Telescope calibration field Walker A.R. <Publ. Astron. Soc. Pac. 106, 828 (1994)> =1994PASP..106..828W
ADC_Keywords: Photometry, CCD ; Clusters, globular Abstract: BVRI photometry is given for stars in the omega Centauri (= NGC 5139 = C 1323-472) calibration field for the Wide Field/Planetary Camera of the Hubble Space Telescope. Objects: ---------------------------------------------------------- RA (2000) DE Designation(s) ---------------------------------------------------------- 13 26 46 -47 28.6 omega Cen = NGC 5139 = C 1323-472 ---------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table4.dat 50 36 Photometry for the HST Calibration Stars table5.dat 50 193 Photometry of all stars measured in the calibration field
See also: J/AJ/105/1196 : HST WF/PC photometric calibration (Harris+, 1993) Byte-by-byte Description of file: table4.dat table5.dat
Bytes Format Units Label Explanations
1- 4 I4 --- Star Star designation (2) 6- 10 F5.1 pix Xpos ? X position (1) 12- 16 F5.1 pix Ypos ? Y position (1) 18- 23 F6.3 mag Vmag ? V magnitude 25- 29 F5.3 mag B-V ? B-V colour index 31- 35 F5.3 mag V-R ? V-R colour index 36 A1 --- u_V-R Uncertainty flag on V-R 38- 42 F5.3 mag V-I ? V-I colour index 43 A1 --- u_V-I Uncertainty flag on V-I 45- 50 F6.3 mag Imag ? I magnitude
Note (1): Center near 13:25:37-47:35:38 (J2000). 1 pix = 0.38arcsec. North is left, East is down. Note (2): This number is used in Simbad as: -- table4: Cl* NGC 5139 HHB NNNN (Harris et al., Cat. J/AJ/105/1196) -- table5: Cl* NGC 5139 Walk NNN
History: Prepared via OCR at CDS.
(End) James Marcout, Patricia Bauer [CDS] 25-Mar-1997
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

catalogue service

© UDS/CNRS

Contact