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Title:
Observational studies of pre-main-sequence evolution
Authors:
Cohen, M.; Kuhi, L. V.
Affiliation:
AA(California, University, Berkeley, Calif.), AB(California, University, Berkeley, Calif.)
Publication:
Astrophysical Journal Supplement Series, vol. 41, Dec. 1979, p. 743-843. (ApJS Homepage)
Publication Date:
12/1979
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Main Sequence Stars, Stellar Evolution, Stellar Spectra, Stellar Spectrophotometry, Astronomical Catalogs, Binary Stars, Emission Spectra, Hertzsprung-Russell Diagram, Infrared Astronomy, Line Spectra, Optical Scanners, Stellar Luminosity, Stellar Temperature
DOI:
10.1086/190641
Bibliographic Code:
1979ApJS...41..743C

Abstract

Optical scanner data from 4270 to 6710 A with a resolution of 7 A were obtained for some 500 H-alpha stars. The data were used to obtain spectral types, reddening coefficients, and emission line strengths; in addition, they are combined with IR broadband measurements out to 3.5 microns to provide bolometric luminosities and effective temperatures. H-R diagrams are presented for the Taurus-Auriga complex, Orion, NGC 2264, NGC 7000/IC 5070, and the Rho Ophiuci association. Some general conclusions are presented.

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