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II/20          UBV Photometry of O & B Stars in Vela    (Denoyelle 1977)

The Spatial Distribution of Young Stars in Vela Denoyelle J. <Astron. Astrophys. Suppl. Ser., 27, 343 (1977)> =1977A&AS...27..343D
ADC_Keywords: Reddening ; Photometry, UBV ; Colors ; Stars, OB Description: Photoelectric UBV values, derived from observations made at the Boyden and ESO observatories, are presented for 358 early-type stars in the Vela section of the southern Milky Way. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file data.dat 127 381 Data
Byte-by-byte Description of file: data.dat
Bytes Format Units Label Explanations
1 I1 --- rec ? Record number (if several records for star) 2- 4 I3 --- Seq Running number 6- 11 I6 --- HD ? HD number 13- 20 A8 --- CPD ? Cape Photographic Durch. (or CD) 21 A1 --- n_CPD [ *] * = CPDzone,num are from Cordoba Durch. 22- 23 I2 h RAh Right Ascension (1950) hours 25- 28 F4.1 min RAm Right Ascension (1950) minutes 29 A1 --- DE- Declination (1950) sign 30- 31 I2 deg DEd Declination (1950) degrees 33- 34 I2 arcmin DEm Declination (1950) arcminutes 36- 41 F6.2 deg GLON Galactic longitude 44- 48 F5.2 deg GLAT Galactic latitude 50- 54 F5.2 mag Vmag *?=99.99 V magnitude 55 A1 --- u_Vmag [ ()] Uncertainty flag for V 57- 61 F5.2 mag B-V *?=99.99 (B-V) color index 62 A1 --- u_B-V [ (] Uncertainty flag for B-V 64- 68 F5.2 mag U-B *?=99.99 (U-B) color index 69 A1 --- u_U-B [ (] Uncertainty flag for U-B 70- 78 A9 --- Sp MK or HD spectral classification 79 I1 --- ref [1,8]? Number of the source for MK Dp. 81 A1 --- Emission [ E] E = Halpha emission noted on red plates 82- 85 A4 --- Sp2 Spectral type obtained from Q method 87- 91 F5.2 mag Q *Q parameter 94- 97 F4.2 mag E(B-V) (B-V) colour excess 100-103 F4.2 mag A(V) *A(V) parameter 107-110 F4.1 mag m-M Distance modulus 112-116 I5 pc R Distance of the star 119-122 I4 pc Z *Distance from the galactic plane 125-126 I2 --- Nobs Number of observations 127 A1 --- rem [ *] * = Comment exists for this star
Note on Vmag, B-V, and U-B: 99.99 indicates that the datum is missing. Note on Q: Q = (U-B) - 0.72 (B-V) Note on A(V): A(V) = 3 x E(B-V) Note on Z: Z = R*sin(GLAT)
References: Denoyelle J. (1977) Astron. Astrophys. Suppl. Ser. 27, 343.
(End) Julie Anne Watko [SSDOO/ADC] 24-MAY-1996
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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