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V/24             Catalogue of Geneva Photometric Boxes     (Nicolet, 1982)

Catalogue of Geneva Photometric Boxes Nicolet B. <Astron. Astrophys. Suppl. Ser. 48, 485 (1982)> =1982A&AS...48..485N =2013yCat.5024....0N
ADC_Keywords: Photometry, Geneva Keywords: Geneva photometric system ; Star boxes ; Catalogues Abstract: The catalogue of the Geneva photometric boxes (or Golay's boxes) is announced. Introduction: The Geneva photometric boxes, or Golay's boxes, are based on the Geneva 7-colour photometry contained in Rufener's 3rd Catalogue (Cat. II/72). For a given star S measured in the Geneva photometry, the strict [0.01] box is the set of stars S' whose colours are all equal to those of S within 0.01mag; S is called the central star, and the S' are the member stars of the [0.01] box of S. Only the boxes containing at least 2 elements (including S) are considered. Other definitions of the photometric boxes are used. For instance, the "0.01" box of S contains the stars S' having |dU|=|U(S)-U(S')≤0.02, and all other colours |dV|, |dB1|, |dB2|, |dV1| and |dG| all ≤0.01. Photometric boxes can also be defined from other colour indices (reddening-free), or with elliptical shapes. See the definitions used here in the "Note (G2)" section below. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file cstar.dat 35 13457 List of central stars (stars defining boxes) member.dat 35 221730 Photometric associations (members of photometric boxes) catalog.txt 126 79732 Ready-to-print photometric boxes (1286 pages)
See also: II/72 : 3rd Catalogue of Stars Measured in the Geneva Photometric System (Rufener, 1981) Byte-by-byte Description of file: cstar.dat
Bytes Format Units Label Explanations
2- 10 I09 --- ID Coded identifier of star defining the box (G1) 11- 12 A2 --- n_ID Remarks on central star (component, variable) 13- 21 A9 --- Name Star name (HD or Durchmusterung) 22- 23 I2 h RAh Right Ascension B1900 (hours) 25- 28 F4.1 min RAm Right Ascension B1900 (minutes) 30 A1 --- DE- Declination B1900 (sign) 31- 32 I2 deg DEd Declination B1900 (degrees) 34- 35 I2 arcmin DEm Declination B1900 (minutes)
Byte-by-byte Description of file: member.dat
Bytes Format Units Label Explanations
2- 10 I09 --- ID Coded identifier of star defining the box (G1) 11- 12 A2 --- n_ID Remarks on central star (component, variable) 14- 22 I9 --- Name LID code of the member star (in the same box) 24- 27 A4 --- Btype [ABIJKLDE ] Type of box (G2) 29- 30 I2 h RAh Right Ascension B1900 (hours) 32- 35 F4.1 min RAm Right Ascension B1900 (minutes)
Gloval Notes: Note (G1): the "Geneva Identifier" is made from star designation in a hierarchy of catalogs (HD, Durchmusterungen, etc), see details in the Table I of the paper Note (G2): the "belonging code" contains 4 characters expressing in which definition the member star is associated to the star defining the photometric box: A = strict [0.01] box, i.e. the member star has all 6 colors U-B B1-B B2-B V-B V1-B G-B differing by at most 0.01mag (|dC|≤0.01) B = "0.01" box, i.e. the member star has |d(U-B)|≤0.02 and the 5 other colors differing by at most 0.01mag I = 0.012-0.009 4-colour boxes: |d(U-B1)|≤0.012, and the 3 other color indices |d(B1-B2)|, |d(B2-V1)| and |d(V1-G)| differ by ≤0.009 J = 0.016-0.012 4-colour boxes: |d(U-B1)|≤0.016, and the 3 other color indices |d(B1-B2)|, |d(B2-V1)| and |d(V1-G)| differ by ≤0.012 K = 0.010 elliptical 4-colour indices U-B1, B1-B2, B2-V1, V1-G L = 0.015 elliptical 4-colour indices U-B1, B1-B2, B2-V1, V1-G D = 0.008 elliptical (d Δ g) reddening-free indices: d=(U-B1)-1.430(B1-B2), Δ=(U-B2)-0.832(B2-G), g=(B1-B2)-1.357(V1-G) E = 0.012 elliptical (d Δ g) reddening-free indices
History: * Prepared by B. Nicolet in Sptember 1981, and mailed to CDS on magnetic tape and microfiche. * 29-Mar-2013: Catalog standardized, documentation added.
(End) Francois Ochsenbein [CDS] 29-Mar-2013
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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