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II/5A       UBV Photometry of Bright Stars      (Johnson+ 1966)

UBV Photometry of Bright Stars Johnson H.L., Mitchell R.I., Iriarte B., and Wisniewski W.Z. <Commun. Lunar & Planet. Lab. 4, 99, Table 9 (1966)> =1966CoLPL...4...99J
ADC_Keywords: Photometry, UBV; Stars, bright Description: The data presented in this catalogue are the results of multicolor photometric observations of stars listed in the Bright Star Catalog. Observations were made on the 21-in, 28-in and 60-in telescopes of the Lunar and Planetary Laboratory, and at Tonanzintla Observatory on the 40-in telescope of the Observatorio Astronomico Nacional, Universidad Nacional de Mexico. This catalog of UBV photometry on almost 5000 bright stars covers the entire sky by including southern Cape photometry transformed to the UBV system. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file data.dat 80 4777 Data (table 9 of paper) table10.dat 43 580 Additional stars observed in UBV numsys.txt 67 77 *Definition of the coded numbering system (LID)
Note on numsys.txt: updated description at URL:
See also: II/122 : UBV Photoelectric Catalog: data 1953-1985 (Mermilliod 1987) II/168 : Catalogue of homogeneous means in the UBV system (Mermilliod 1991) GCPD/01 : General Catalog of Photometric Data, UBV system, maintained by J.Cl. Mermilliod at Lausanne/Geneva Byte-by-byte Description of file: data.dat
Bytes Format Units Label Explanations
1- 10 F10.8 --- LID *Lausanne Identifier (Coded number) 11 A1 --- rem *Remark 13- 17 F5.2 mag Vmag Johnson V magnitude 20- 24 F5.2 mag B-V Johnson (B-V) Color index 27- 31 F5.2 mag U-B ? Johnson (U-B) Color index 34 A1 --- n_Vmag *[ /*] Remark on o_Vmag 37 I1 --- o_Vmag Number of measurements 39- 58 A20 --- Name Star name (from SIMBAD) 61- 62 I2 h RAh Right Ascension J2000 (hours) (from SIMBAD) 64- 65 I2 min RAm Right Ascension J2000 (minutes) (from SIMBAD) 67- 70 F4.1 s RAs Right Ascension J2000 (seconds) (from SIMBAD) 72 A1 --- DE- Declination J2000 (sign) (from SIMBAD) 73- 74 I2 deg DEd Declination J2000 (degrees) (from SIMBAD) 76- 77 I2 arcmin DEm Declination J2000 (minutes) (from SIMBAD) 79- 80 I2 arcsec DEs Declination J2000 (seconds) (from SIMBAD)
Note on LID: see the file "numsys.dat" (J.Cl. Mermilliod, CDS, RISP 5) or Note on rem: D = double star V = variable star N = non member of any cluster 1 = A component of multiple 2 = B component of multiple Note on n_Vmag: * = the number or measurements is at least the one indicated / = the number of measurements has not been published blank otherwise
Byte-by-byte Description of file: table10.dat
Bytes Format Units Label Explanations
1- 2 A2 --- --- [HR] 4- 7 I4 --- HR Number in Bright Star Catalog (Cat. V/50) 10- 14 F5.2 mag Vmag Johnson V magnitude 17- 21 F5.2 mag B-V Johnson (B-V) color index 24- 28 F5.2 mag U-B ? Johnson (U-B) color index 32- 43 A12 --- Remarks Remarks by B. Skiff
History: * Data originally supplied by Mermilliod (Lausanne/Geneva Observatory) * 15-Aug-1996: Standard Documentation by Julie Anne Watko [SSDOO/ADC] * 17-Apr-2001 (Version A): Coordinates and Names of stars added from SIMBAD by Francois Ochsenbein [CDS] * 01-Dec-2009: table10 added (prepared by B. Skiff, Lowell Obs.) References: Cousins A.W.J. & Stoy R.H. 1962, R. Obs. Bull. No. 64, 103. Johnson H.L., Mitchell R.I., Iriarte B. & Wisniewski W.Z. 1966, Communications of Lunar & Planetary Lab. 4, 99. Hoffleit D. 1964, Catalogue of Bright Stars (Yale University Observatory).
(End) Julie Anne Watko [SSDOO/ADC], Francois Ochsenbein [CDS] 21-Apr-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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