Proper motions of T Tauri variables and other stars associated with the Taurus-Auriga dark clouds

Details Proper motions of T Tauri variables and other stars associated with the Taurus-Auriga dark clouds Proper motions of T Tauri variables and other stars associated with the Taurus-Auriga dark clouds

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84.1872j&link_type=abstract

Astronomical Journal, vol. 84, Dec. 1979, p. 1872-1889.

Astronomy and Astrophysics

Astronomy

238

H Alpha Line, Nebulae, Stellar Motions, T Tauri Stars, Variable Stars, Astronomical Models, Red Giant Stars, Stellar Spectrophotometry, Tables (Data)

Scientific paper

The measurements of proper motions for 75 T Tauri stars, emission-H(alpha) stars, and flash variables in the Tau-Aur dark clouds are presented. The proper motion vectors of stars known to be cloud members show small dispersions about their means; different cloud segments are probably not bound gravitationally to the complex, but it is unlikely that many stars have the velocities to escape from their own subclouds. Three of the Haro-Chavira Taurus flash stars were found to be members of the foreground Hyades cluster; a model of the cloud complex predicts that 176 emission-H(alpha) stars are to be expected to be brighter than Mpg = 9.5 within these nebulae; similar modeling of the 2.2 micron surveys suggests no significant concentration of stars toward the cloud centers, nor a large population of deeply imbedded faint red stars.

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