A new optical source associated with T Tauri

Details A new optical source associated with T Tauri A new optical source associated with T Tauri

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...297l..17n&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 297, Oct. 1, 1985, p. L17-L20.

Astronomy and Astrophysics

Astrophysics

41

Emission Spectra, Pre-Main Sequence Stars, Speckle Patterns, T Tauri Stars, Fourier Transformation, Interferometry

Scientific paper

A faint optical source close to T Tauri has been detected using speckle imaging techniques in a photon-counting mode of operation. This second optical source is located at position angle 358°±5° with a separation of 0arcsec.27±0arcsec.04 from the optical astrometric position of T Tauri. The visual magnitude difference with respect to the primary, measured at 521 nm, is mv = 4.33±0.09. Since the new source is located north of T Tauri, it is distinct from the radio/infrared object recently reported to be located 0arcsec.61 south of T Tauri. If the new source is a stellar object, it appears to have a mass of between 0.2 and 0.35 M_sun; and has a surface temperature of 3000±200K.

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