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III/80          Michigan Catalogue of HD stars, Vol.3  (Houk, 1982)

Catalogue of two-dimensional spectral types for the HD stars. Vol.3 Houk N. <Ann Arbor, Dept. of Astronomy, Univ. of Michigan (1982)>
ADC_Keywords: MK spectral classification Description: Please refer to the 'doc.txt' file by Robert S. Hill See also: III/31 : Michigan Catalogue, Vol.1 (-90/-53deg, Houk N., 1975) III/51 : Michigan Catalogue, Vol.2 (-53/-40deg, Houk N., 1978) III/133 : Michigan Catalogue, Vol.4 (-26/-12deg, Houk N., 1988) III/214 : Michigan Catalogue, Vol.5 (-12/+05deg, Houk N., 1999) File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file doc.txt 74 866 Documentation by Robert S. Hill vol3.dat 127 30314 The Catalogue (vol.3) rem3.dat 255 4837 Remarks to Vol.3 plates3.dat 41 418 List of plates
Byte-by-byte Description of file: vol3.dat
Bytes Format Units Label Explanations
1- 6 I6 --- HD Henry Draper Catalog (HD) number 7 A1 --- Case [*] if sp. type has lower case in printed ver. 8 A1 --- n_SpType [+] if spectral type is from HD Catalog 9- 26 A18 --- SpType MK Spectral type 27 A1 --- Aflag [A] if classification used is an average. 28 I1 --- q_SpType [1/4]? Quality of the classification, see doc.txt (1=best) 29- 33 A5 --- Remark Remark (1) 35- 40 A6 mag Ptg Photographic magnitude from HD catalog 41 A1 --- Vflag [V] if star is known or suspected variable 43- 44 I2 h RAh Hours RA, epoch 1900.0 46- 47 I2 min RAm Minutes RA, epoch 1900.0 49- 52 F4.1 s RAs Seconds RA, epoch 1900.0 53 A1 --- uPos [*] the '*' indicates a position known to an arc-minute 54 A1 --- DE- Sign Dec, epoch 1900.0 55- 56 I2 deg DEd Degrees Dec, epoch 1900.0 58- 59 I2 arcmin DEm Minutes Dec, epoch 1900.0 61- 62 I2 arcsec DEs [0/60[? Seconds Dec, epoch 1900.0 (blank if FlagPos is flagged with '*') 64- 67 I4 0.01min/yr precRAm Centennial precession in RA, minutes 69- 72 F4.1 0.01s/yr precRAs Centennial precession in RA, seconds 73 A1 --- FlagPrec [*] if the centennial precession in right ascension is given to 0.1 minutes/century in the published catalog. 74 A1 0.01arcmin/yr precDE- Centennial precession in Dec, sign 75- 76 I2 0.01arcmin/yr precDEm ? Centennial precession in Dec, minutes 78- 79 I2 0.01arcsec/yr precDEs ? Centennial precession in Dec, seconds 81- 85 F5.1 deg GLON Galactic longitude 87- 91 F5.1 deg GLAT Galactic latitude 93-102 A10 --- CD Cordoba Durchmusterung identification (CD-ZZNNNNN) 106-111 I6 --- SAO [1/258997]? SAO Catalog number 113-115 A3 --- Plate1 Plate code #1 (see file plates3) 117-119 A3 --- Plate2 Plate code #2 (see file plates3) 121-123 A3 --- Plate3 Plate code #3 (see file plates3) 125-127 A3 --- Plate4 Plate code #4 (see file plates3)
Note (1): Details in the file "doc.txt". The codes used are: B = bright star (remark includes HR, Bayer/Flamsteed names) L = information from Literature R = Remarks related to the spectrum D = duplicity (double or multiple star) V = variability t = spectral type taken from other source (marked with a dagger) O = other remarks
Byte-by-byte Description of file: rem3.dat
Bytes Format Units Label Explanations
1- 6 I6 --- HD Henry Draper Catalog (HD) number 8-255 A248 --- Remark Remarks in free form text
Byte-by-byte Description of file: plates3.dat
Bytes Format Units Label Explanations
1- 3 A3 --- Code Plate code 7- 11 I5 --- Number Plate Number 15- 32 A18 --- Date Exposure date
Historical Notes: * 09-Nov-1993: list of plates added at CDS * 08-Dec-1994: list of plates corrected by Shiro Nishimura [ADAC/NAOJ] * 01-May-2005: typo in spectral type of HD 53832 (B.9 IV -> B9IV, communicated by Brian Skiff)
(End) Francois Ochsenbein [CDS] 08-Dec-1994
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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