Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94.1251f&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 94, Nov. 1987, p. 1251-1259.
Astronomy and Astrophysics
Astronomy
77
Molecular Clouds, Pre-Main Sequence Stars, X Ray Astronomy, Binary Stars, Heao 2, Proportional Counters, T Tauri Stars
Scientific paper
Seventy-five fields from the Einstein X-Ray Observatory IPC detector between 3h and 5h right ascension and 15° and 35° declination are examined to search for X-ray-emitting low-mass pre-main-sequence (PMS) stars. Six such stars were previously found; they appear to be similar to T Tauri stars but without dense circumstellar envelopes or winds. The authors present here finding charts for 59 X-ray sources that may be PMS stars. While some are likely to be spurious X-ray sources, chance coincidences with unrelated stars, or non-PMS stellar sources such as RS CVn type binaries, approximately half are probably X-ray-selected PMS stars. Detailed study of the candidates will be reported elsewhere.
Feigelson Eric D.
Jackson James M.
Mathieu Robert D.
Myers Phil C.
Walter Fred M.
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