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J/AJ/107/1556                 Late B-type stars classification (Garrison+, 1994)

The late B-Type Stars: refined MK classification, confrontation with Stromgren photometry, and the effects of rotation Garrison R.F., Gray R.O. <Astron. J. 107, 1556 (1994)> =1994AJ....107.1556G
ADC_Keywords: MK spectral classification ; Stars, B-type ; Photometry, uvby, beta Abstract: In the fourth and final of a series of papers on the late B to the early F type stars, we refine the MK spectral classification system for the late B type stars and consider the effect of rotation on both spectral classification and Stromgren photometry of these stars. We extend the work of Morgan by establishing self-consistent sequences of narrow and broadlined standards. We reclassify a number of Bp stars, compare these classifications with Stromgren photometry and consider the question of whether all Bp stars are main-sequence objects. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 99 218 Spectral types of late B type stars notes.txt 80 157 Notes to table2
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 6 I6 --- HD ? HD number 7 A1 --- m_HD multiplicity index 9- 19 A11 --- Name Other identification (1) 22- 27 F6.3 mag b-y ? b-y color index on the Stromgren system 29- 34 F6.3 mag m1 ? m1 index 36- 41 F6.3 mag c1 ? c1 index 43- 48 F6.3 mag beta ? β index 51 A1 --- n_HD [ *] Indicates a remark in notes file 54- 99 A46 --- Sp MK Spectral type
Note (1): Open cluster identification number, Bayer designation, Flamsteed designation, or BSC number, in that order of preference
References: Abt H., 1984, in the MK process and Stellar Classification, edited by R.F. Garrison (David Dunlap Observatory, Toronto), p. 340 Morgan W.W. et al., 1978, Revisted MK Spectral Atlas for Stars Earlier than the Sun (Yerkes Observatory, University of Chicago, and Kitt Peak National Observatory, Chicago and Tucson) Thompson I.B. et al., 1987, ApJS, 64, 219 Addresses: Garrison R.F. David Dunlap Observatory, University of Toronto, Box 360, Richmond Hill, Ontario, Canada L4C 4Y6 Gray R.O. David Dunlap Observatory, University of Toronto, Box 360, Richmond Hill, Ontario, Canada L4C 4Y6, and Department of Physics and Astronomy, Appalachian State University, Boone, North Carolina 28608 Origin: AAS CD-ROM series, Volume 2, 1994
(End) Lee Brotzman [ADS] 08-May-1994, Patricia Bauer [CDS] 24-Oct-1994
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