Distribution of Molecular Gas in the Primeval Galaxy IRAS:F10214+4724

Details Distribution of Molecular Gas in the Primeval Galaxy IRAS:F10214+4724 Distribution of Molecular Gas in the Primeval Galaxy IRAS:F10214+4724

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...271l..21r&link_type=abstract

Astronomy and Astrophysics, Vol.271, NO. 2/APR, P. L21, 1993

Astronomy and Astrophysics

Astrophysics

17

Scientific paper

Using the IRAM interferometer we mapped the distribution of molecular gas in the extremely luminous IRAS galaxy F10214+4724 at z = 2.3. Coincident with the radio continuum source there is a small emission region whose CO(3 - 2) flux, 3.5 +/- 0.5 Jy km s^-1^, equals the total line flux measured with the IRAM 30 m telescope. This molecular source seems partially resolved by the 2.3" beam and extended East-West. The deconvolved size, (2.5" x 1.0")+/- 1.0" or (10 x 4) +/- 4h^-1^ kpc, is characteristic of an entire galaxy rather than a galactic core. An apparent velocity gradient indicates the gas distribution is rotating. The dynamical mass, 8-13 x 10^10^ h^-1^ M_sun_, is consistent with the inferred H2 mass, 1 x 10^11^ h^-2^ M_sun.

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