Water Maser Survey in the Andromeda Galaxy

Publications of the Astronomical Society of Japan

Kameya, Osamu²  Ishihara, Yuko⁴  Imai, Hiroshi³  Nakai, Naomasa¹ 

[1] Nobeyama Radio Observatory, Minamimaki, Minamisaku, Nagano 384-1305;Mizusawa Astrogeodynamics Observatory, National Astronomical Observatory, Mizusawa, Iwate 023-0861;Mizusawa Astrogeodynamics Observatory, National Astronomical Observatory, Mizusawa, Iwate 023-0861VERA Project Office, National Astronomical Observatory, Mitaka, Tokyo 181-8588;Department of Astronomy, The University of Tokyo, 3-8-1, Hongo, Bunkyo-ku, Tokyo 113-0033Nobeyama Radio Observatory, Minamimaki, Minamisaku, Nagano 384-1305

关键词: "galaxies: individual (M 31)";    masers;    "stars: formation";   

DOI  :  10.1093/pasj/53.3.489

学科分类：天文学(综合)

来源: Oxford University Press

【 摘 要 】

WereportonawatermasersurveyintheAndromedagalaxy(M31).ThesurveyedHIIregionswith$$^{12}$$COcloudsareexpectedtoberegionsofongoingstarformationwithwatermaseractivity.Nevertheless,wecouldnotdetectanywatermaseremissionwithanupperlimitofaround0.35Jyor$$4.9imes10^{-3},L_{{odot}}$$inisotropicluminosity.TheseresultsindicatealowactivityofthepresentstarformationinM31.

【 授权许可】

Unknown