Speckle interferometry of T Tauri stars and related objects

Details Speckle interferometry of T Tauri stars and related objects Speckle interferometry of T Tauri stars and related objects

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...153..278b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 153, no. 1, Dec. 1985, p. 278-280. DFG-supported research.

Astronomy and Astrophysics

Astrophysics

21

Double Stars, Interferometry, Pre-Main Sequence Stars, Speckle Patterns, Stellar Spectrophotometry, T Tauri Stars, A Stars, B Stars, Orbital Elements, Power Spectra, Stellar Magnitude, Stellar Mass

Scientific paper

The authors have performed speckle interferometric observations of 5 T Tauri stars and 3 related objects. The main motivation for this work is to measure known close double stars and to search for new close double stars which can be used for mass determinations. The authors have resolved the known double stars V649 Ori (separation = 1arcsec.41) and S CrA (separation = 1arcsec.37). The measurements of the stars CO Ori, UX Tau A, DQ Tau, HR 6000, HR 5999, and TY CrA show that these stars cannot be double stars with a separation larger than 0arcsec.09 and a magnitude difference smaller than 2 - 3m. Furthermore the angular diameter of the stars is smaller than 0arcsec.09.

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