Strong CO (J = 1 goes to 0) emission toward IRAS F10214+4724

Details Strong CO (J = 1 goes to 0) emission toward IRAS F10214+4724 Strong CO (J = 1 goes to 0) emission toward IRAS F10214+4724

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasj...46l.179t&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 46, no. 5, p. L179-L182

Astronomy and Astrophysics

Astronomy

14

Brightness Temperature, Carbon Monoxide, Emission Spectra, Galactic Evolution, Interacting Galaxies, Line Shape, Line Spectra, Luminosity, Molecular Gases, Radio Astronomy, Radio Spectra, Red Shift, Astronomical Models, Hydrogen, Imaging Spectrometers, Radio Telescopes, Ratios, Red Shift, Statistical Analysis

Scientific paper

We have detected a strong CO (J = 1 goes to 0) emission line toward the high-redshift compact group of galaxies IRAS F10214+4724 using the Nobeyama 45-m telescope. The integrated line flux is 2.4 +/- 0.3 Jy km/sec. The total molecular mass producing the CO (J = 1 goes to 0) emission was estimated to be (1.8-6.4) x (1011))/(h sq) solar masses. The brightness temperature ratio of CO (J = 3 goes to 2) to CO (J = 1 goes to 0) suggests that a huge mass of molecular material in IRAS F10214+4724 exists as low-density molecular gas of n(H2) approximately equals 102/cu cm, or that the CO (J = 1 goes to 0) emission is distributed by more than 16 sec (64/h kpc).

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