Abstract

view Abstract Citations (14) References (6) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Further Observations of the Emission-Line Stars in the Open Cluster NGC 663 Sanduleak, N. Abstract Long-term monitoring of NGC 663 on objective-prism plates confirms the presence of 24 Hα-emission-line stars, half of which show evidence of marked emission-line variability on a timescale of years to decades. Publication: The Astronomical Journal Pub Date: October 1990 DOI: 10.1086/115589 Bibcode: 1990AJ....100.1239S Keywords: STARS: EMISSION-LINE; CLUSTERS: OPEN full text sources ADS | data products SIMBAD (26)

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