Image tube spectrograms of southern young emission line objects

Details Image tube spectrograms of southern young emission line objects Image tube spectrograms of southern young emission line objects

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....61...21a&link_type=abstract

Astronomy and Astrophysics, vol. 61, no. 1, Oct. 1977, p. 21-26. Deutsche Forschungsgemeinschaft

Astronomy and Astrophysics

Astrophysics

36

Early Stars, Emission Spectra, Line Spectra, Protostars, Stellar Mass Accretion, Dwarf Stars, Late Stars, Stellar Models, Stellar Spectrophotometry

Scientific paper

Thirty-one image-tube spectrograms of 18 southern emission-line stars are described. Two of the observed objects appear to be almost normal late-type dwarfs. Three other ones were found to be peculiar early-type emission-line stars. The remaining 13 objects are T Tauri stars. At least six of these objects show spectroscopic evidence for mass accretion and seem to belong to the YY Orionis subclass of the T Tauri stars. The present data suggest that YY Orionis stars are more numerous than assumed so far.

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