Computer Science
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3084...68h&link_type=abstract
In NASA, Ames Research Center, The Interstellar Medium in External Galaxies: Summaries of Contributed Papers p 68-70 (SEE N91-14
Computer Science
Carbon Monoxide, Cosmic Gases, Magellanic Clouds, Molecular Gases, Radio Emission, Star Formation, Continuums, Hydrogen, Observation, Tables (Data)
Scientific paper
The content of molecular gas in galaxies, mainly H2, is one of the key observations necessary for the understanding of star formation processes and history. As the CO molecule is the most widely distributed molecule after H2 and has easily observable mm lines, it is used as a tracer for the molecular gas. CO was detected towards the direction where the H alpha and 6 cm radio continuum emission is strongest (Hummel et al. 1986). Here, researchers present the Gaussian line parameters in tabular form. The distribution of CO corresponds well with the intense HI cloud near the bar of NGC 55. The extent of the CO cloud is about 975 pc perpendicular to the major axis. As the radio continuum and the H alpha emission also peaks in this region, it is most probably associated with the star forming region in NGC 55. Assuming that the molecular gas is in virial equilibrium, researchers derive a mass of about 8 times 107 solar magnitude. The molecular mass found indicates that the conversion factor for the molecular mass in Irr galaxies as inferred from CO line emission is indeed higher by up to a factor of 20 compared to the canonical value for the Galaxy.
Dettmar Ralf-Juergen
Heithausen Andreas
No associations
LandOfFree
Observations of CO in the Magellanic irregular galaxy NGC 55 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Observations of CO in the Magellanic irregular galaxy NGC 55, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Observations of CO in the Magellanic irregular galaxy NGC 55 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1095823