Observations of southern emission-line stars

Details Observations of southern emission-line stars Observations of southern emission-line stars

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apjs...30..491h&link_type=abstract

Astrophysical Journal Supplement Series, vol. 30, Apr. 1976, p. 491-550. Research supported by the University of Michigan;

Astronomy and Astrophysics

Astrophysics

177

Astronomical Catalogs, H Alpha Line, Star Clusters, Star Distribution, Stellar Spectra, Emission Spectra, Novae, Planetary Nebulae, Stellar Spectrophotometry, Tables (Data), Wolf-Rayet Stars

Scientific paper

A catalog of 1929 stars showing H-alpha emission on photographic plates is presented which covers the entire southern sky south of declination -25 deg to a red limiting magnitude of about 11.0. The catalog provides previous designations of known emission-line stars equatorial (1900) and galactic coordinates, visual and photographic magnitudes, H-alpha emission parameters, spectral types, and notes on unusual spectral features. The objects listed include 16 M stars, 25 S stars, 37 carbon stars, 20 symbiotic stars, 40 confirmed or suspected T Tauri stars, 16 novae, 14 planetary nebulae, 11 P Cygni stars, 9 Bep stars, 87 confirmed or suspected Wolf-Rayet stars, and 26 'peculiar' stars. Two new T associations are discovered, one in Lupus and one in Chamaeleon. Objects with variations in continuum or H-alpha intensity are noted, and the distribution by spectral type is analyzed. It is found that the sky distribution of these emission-line stars shows significant concentrations in the region of the small Sagittarius cloud and in the Carina region.

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