Correlation between luminosity of OH megamasers and infrared luminosity of their host galaxies.

Details Correlation between luminosity of OH megamasers and infrared luminosity of their host galaxies. Correlation between luminosity of OH megamasers and infrared luminosity of their host galaxies.

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002acasn..43..347y&link_type=abstract

Acta Astronomica Sinica, vol.43, no.4, p. 347-352

Astronomy and Astrophysics

Astronomy

1

Masers, Galaxies: Fundamental Parameters, Galaxies: Ism, Methods: Analytical

Scientific paper

This paper has studied the correlation between luminosity of 66 OH megamasers and infrared luminosity of their host galaxies. A relation log L(OH)=1.71 log L(IR)-17.67, i.e. L(OH) ? [L(IR)]1.71 , is obtained. The results interposed between L(OH) ? [L(IR)]2 obtained by Baan (1989) and L(OH) ? [L(IR)]1.38 obtained by Kandalian (1996). because the sample number is the largest among the mentioned results, our result closes the practical condition. Furthermore, the 66 OH megamasers can be divided in two groups. First group is the OH megamasers having small luminosity of L(OH)<102L?, which contains 14 OH megamasers. Second one is one having large luminosity of L(OH)?102L?, which contains 52 OH megamasers. Our results indicate, the correlation between luminosity of OH megamasers having small luminosity and infrared luminosity of their host galaxies is L( OH) ? L[( IR)] 1.43, which closes one obtained by Kandalia (1996), and the correlation between luminosity of OH megamaser having large luminosity and infrared luminosity of their host galaxies is L(OH) ? [L(IR)] 2 , which is the same one obtained by Baan(1989).

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