Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasj...42..583o&link_type=abstract
Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 42, no. 4, 1990, p. 583-596.
Astronomy and Astrophysics
Astronomy
13
Emission Spectra, H Alpha Line, Pre-Main Sequence Stars, Far Infrared Radiation, Schmidt Telescopes, Sky Surveys (Astronomy), Star Formation, Stellar Color, Stellar Magnitude
Scientific paper
The dark cloud L1228 and its surrounding region have been surveyed for candidate pre-main-sequence stars by use of the Kiso Schmidt telescope with an objective prism. 69 H-alpha emission stars and 49 suspects have been found. Their celestial coordinates and rough estimates of their magnitude and color have been derived from the positions and image diameters on Palomar Sky Survey prints. Nine of them cluster in a small area near the central part of L1228, suggesting active star formation there in the near past. A star with a large color index lying in the northern part has been identified with an IRAS point source having a far-infrared spectrum of moderately low temperature. Preliminary (C-13)O (J = 1-0) line observations show that the star is embedded in the core of the molecular cloud.
Ogura Katsuo
Sato Fumio
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