UBV photometry of young emission-line objects

Details UBV photometry of young emission-line objects UBV photometry of young emission-line objects

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...39..245m&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 39, Feb. 1980, p. 245-250. Deutsche Forschungsgemeinschaft

Astronomy and Astrophysics

Astrophysics

34

Electrophotometry, Orion Nebula, Stellar Spectrophotometry, T Tauri Stars, Ubv Spectra, Astronomical Catalogs, Astronomical Photometry, Brightness Temperature

Scientific paper

Photoelectric UBV observations of 57 emission-line objects of the Orion population are presented. Most of these objects are T Tauri or YY Orionis stars. The photoelectric UBV data of all known YY Orionis stars published in the literature have been collected. These data have been used to investigate the correlations between color and brightness variations of these stars. The variations are discussed in terms of a model suggested earlier, in which the variations have been interpreted by a variable infall on matter. In addition a table of all known YY Orionis stars is presented giving the mean values and ranges of variations in their UBV colors.

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