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HCN AND HCO+ EMISSION IN M31 : TRACING THE DENSE MOLECULAR GAS IN A GALACTIC DISK KCI 등재 SCOPUS

SEBASTIEN MULLER, NATHALIE BROUILLET, FABRICE HERPIN, JONATHAN BRAINE, THIERRY JACQ
  • 언어ENG
  • URLhttps://db.koreascholar.com/Article/Detail/386907
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천문학회지 (Journal of The Korean Astronomical Society)
제38권 제2호 (2005.06)
pp.245-248
한국천문학회 (Korean Astronomical Society)
초록

We present mm observations with the IRAM 30m radiotelescope of the HCN (J=1-0) and HCO+ (J=1-0) emission lines from Giant Moleculat Clouds (GMC) in the disk of the Andromeda Galaxy, The selected GMC targets have various morphology and environments, including locations within spiral arms or in interarm regions and with galactocentric radii ranging from 2.4 to 15.5 kpc over the disk. The radial distributions of the ratios HCN/CO and HCO+ /CO are discussed and their values are compared to other galaxies.

키워드
Galaxies: ISM - Galaxies: M31 - ISM: molecules
저자
  • SEBASTIEN MULLER(Academia Sinica Institute of Astronomy and Astrophysics)
  • NATHALIE BROUILLET(Observatoire de Bordeaux, Universite Bordeaux 1- CNRS)
  • FABRICE HERPIN(Observatoire de Bordeaux, Universite Bordeaux 1- CNRS)
  • JONATHAN BRAINE(Observatoire de Bordeaux, Universite Bordeaux 1- CNRS)
  • THIERRY JACQ(Observatoire de Bordeaux, Universite Bordeaux 1- CNRS)
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