AK Scorpii: a new pre-main-sequence spectroscopic binary.

Details AK Scorpii: a new pre-main-sequence spectroscopic binary. AK Scorpii: a new pre-main-sequence spectroscopic binary.

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989msngr..55...45a&link_type=abstract

The Messenger, vol. 55, p. 45-47

Mathematics

Spectroscopic Binaries: Pre-Main-Sequence Stars

Scientific paper

While we know that perhaps - 25% of normal main-sequence stars are spectroscopic binaries, very few of their Progenitor systems have yet been detected among (low-mass) pre-main-sequence stars: Mathieu's (1988) review at the recent IAU General Assembly lists only 11, and for only three had orbits been published at that time. This meagre yield must be due mainly to selection effects mitigating against the discovery of pre-main-sequence binaries. These stars are intrinsically faint and generally found in highly obscured regions, so systematic and accurate radial-velocity observations were impossible until the advent of efficient cross-correlation techniques. Oue to their importance for the understanding of star formation processes in general, pre-main-sequence binaries are now being searched for very actively, and the sampie will no doubt increase sharply over the next few years. We would like

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