Interactive stars - Normal and compact stars in close binaries

Details Interactive stars - Normal and compact stars in close binaries Interactive stars - Normal and compact stars in close binaries

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..207..178s&link_type=abstract

IN: Astrophysics from the moon; Proceedings of the Workshop, Annapolis, MD, Feb. 5-7, 1990 (A91-56576 24-89). New York, American

Astronomy and Astrophysics

Astronomy

1

Binary Stars, Black Holes (Astronomy), Neutron Stars, Spaceborne Astronomy, Stellar Physics, Cataclysmic Variables, Early Stars, Gravitational Effects, Late Stars, Stellar Activity, Stellar Orbits, X Ray Binaries

Scientific paper

The missions planned for the 1990's will greatly expand the knowledge of close binary systems and the physical phenomena that can be studied in a member of a close binary, from stellar active regions to the highest density black hole candidates known. These systems and the phenomena are reviewed with reference to major outstanding questions, the expected capability to answer them, and the expansion of capability that would be necessary. A 'super' XMM or LAMAR experiment with larger area, but similar moderate energy resolution and moderate spatial resolution, could detect 0.1 millisecond bursts from Cyg X-1 and 1 millisecond bursts in quiescent black hole candidates, measure Doppler and gravitational energy shifts in the iron line features for black holes and neutron stars. It would also identify these objects in galaxies a few Mpc away and open the way for evolution studies. A somewhat less ambitious goal would be high energy resolution of about the area of LAMAR to make full use of the information in the emission lines in both normal and compact binaries.

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