III/51B Michigan Catalogue of HD stars, Vol.2 (Houk, 1978)
Michigan Catalogue of two dimentional spectral types for the HD stars
(Vol.2: -52 to -40 degrees)
Houk N.
<Dept. of Astronomy, Univ. of Michigan Ann Arbor, Michigan (1978)>
ADC_Keywords: MK spectral classification
Description:
This catalog represents the second volume of the University of
Michigan systematic reclassification of the Henry Draper Catalogue
(HD) stars on the MK system. Volume 2 contains all HD stars in the
declination range -53.0 up to -40.0 degrees (equinox 1900).
A detailed description is included in the "adc.doc" file.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
adc.doc 79 771 ADC Documentation (by Wayne H. Warren Jr)
vol2.dat 127 30400 The catalog (-52 to -40 degrees)
rem2.dat 326 4950 Remarks of Vol.2
plates2.dat 36 353 List of Plate Codes
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See also:
III/31 : Michigan Catalogue, Vol.1 (-90/-53deg, Houk N., 1975)
III/80 : Michigan Catalogue, Vol.3 (-40/-26deg, Houk N., 1982)
III/133 : Michigan Catalogue, Vol.4 (-26/-12deg, Houk N., 1988)
Byte-per-byte Description of file: vol2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Henry Draper Catalog (HD) number
7 A1 --- Case '*' if sp. type has lower case in printed ver.
8 A1 --- f_SpType '+' if spectral type is from HD Catalog
9- 25 A17 --- SpType Spectral type
27 A1 --- n_SpType 'A' if classification used is an average.
28 I1 --- q_SpType [1/4]? Quality of the classification from
1=good to 4=bad (see file "adc.doc")
29- 33 A5 --- Remark [BDLOR ] indicates a remark (1)
36- 40 F5.2 mag Ptg ?=99.99 Photographic magnitude from HD catalog
(99.99 indicates unavailable Ptg).
41 A1 --- Vflg 'V' if star is known or suspected variable
43- 44 I2 h RAh Hours RA (B1900)
46- 47 I2 min RAm Minutes RA
49- 52 F4.1 s RAs Seconds RA
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 (B1900)
58- 59 I2 arcmin DEm Minutes Dec
61- 62 I2 arcsec DEs [0/60[? Seconds Dec (blank if
FlagPos is flagged with '*')
64- 67 I4 min/ha precRAm Centennial precession in RA, minutes
69- 72 F4.1 s/ha precRAs Centennial precession in RA, seconds
73 A1 --- FlagPrec [*] if precession in RA given to 0.1
minutes/century in the published catalog.
74 A1 --- precDE- Centennial precession in Dec, sign
75- 76 I2 arcmin/ha precDEm ? Centennial precession in Dec, minutes
78- 79 I2 arcsec/ha precDEs ? Centennial precession in Dec, seconds
81- 85 F5.1 deg GLON [0/360] Galactic longitude
87- 91 F5.1 deg GLAT [-90/90] Galactic latitude
92-101 A10 --- CPD Cape Photographic Durchmusterung
identification (CP-ZZNNNNN)
102-111 A10 --- CD Cordoba Durchmusterung
identification (CD-ZZNNNNN)
113-115 A3 --- Plate1 Plate code #1 (see file plates2)
117-119 A3 --- Plate2 Plate code #2 (see file plates2)
121-123 A3 --- Plate3 Plate code #3 (see file plates2)
125-127 A3 --- Plate4 Plate code #4 (see file plates2)
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Note (1): the flags refer to the type of notes detailed in rem2.dat:
B = remarks contains designations of bright stars
D = remarks concerning duplicity
L = information from the literature
O = remarks that do not fit into any other category
R = remarks related to the spectrum, written by the author (N. Houk).
More details about the meaning of these notes may be found in Table 5
of the "adc.doc" file
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Byte-per-byte Description of file: rem2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Henry Draper Catalog (HD) number
8-326 A319 --- Remark Remarks in free form text
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Byte-per-byte Description of file: plates2.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- Plate Plate code
7- 11 I5 --- Number Plate Number
15- 32 A18 --- Date Exposure date
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Historical Notes:
* 07-Sep-1978: the tape was prepared by Ted Williams, assistant of
Dr N. Houk, for the ADC (Jaylee Mead and Wayne H. Warren); it was
received at CDS in November 1978.
* 17-Nov-1993: list of plates added at CDS
* 08-Dec-1994: list of plates corrected by Shiro Nishimura [ADAC/NAOJ]
* 13-Jun-2004: cosmetic changes at CDS (Francois Ochsenbein)
(End) Francois Ochsenbein [CDS] 17-Nov-1993