III/138 Henry Draper Extension 2 (Cannon+ 1949; ADC 1989)
The Henry Draper Extension
Cannon, A.J. and Walton Mayall, M.
<Harv. Ann. 112 (1949)>
ADC_Keywords: Spectral types ; Surveys
Description:
Harvard Annals vol 112 is the last extension of the Henry Draper
Catalog. It consists entirely of charts. These are copies of the
plates on which the number of the star and is spectral type is
marked in ink. This catalog is a files of the star numbers and the
corresponding spectral types.
Note that the positions of the stars from this catalog are computed
by Nesterov et al. (1995A&AS..110..367N 1995A&AS..110..367N); see catalog III/182.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 10 86933 The HDE catalog
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See also:
III/182 : The HDE catalogue: positions, proper motions (Nesterov+ 1995)
Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HDE [272151/359083]+ HD number
8- 10 A3 --- SpType Spectral type
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History:
* 15-Jul-1997: three errors in non-consecutive HDE numbers were
corrected at CDS.
(End) Gail L. Schneider [SSDOO/ADC] 03-Feb-1997