Discovery of new isolated T Tauri stars

Details Discovery of new isolated T Tauri stars Discovery of new isolated T Tauri stars

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343l..61d&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 343, Aug. 15, 1989, p. L61-L64.

Astronomy and Astrophysics

Astronomy

96

Astronomical Spectroscopy, Infrared Sources (Astronomy), Point Sources, Sky Surveys (Astronomy), T Tauri Stars, Absorption Spectra, H Alpha Line, High Resolution, Infrared Astronomy Satellite, Lithium

Scientific paper

Two new T Tauri stars (TTSs) have been discovered in the neighborhood of the isolated, strong H-alpha emitting, TTS (CTTS) TW Hya (b = 23 deg). The first object is a visual binary star formed by two CTTSs separated by 1.5 arcsec (b = 21 deg). The second object may be a weakly H-alpha emitting TTS (b = 28 deg). The high latitudes of the stars indicate that their distances cannot be very large. All these TTSs have similar radial velocities, suggesting the possibility that they are kinematically related. As the nearest cloud is quite far from this group of stars, star formation in situ must be considered.

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