Molecular Gas in Narrow-line Seyfert 1 Galaxies: A Search for Coevolving Massive Black Holes and Galaxies

Details Molecular Gas in Narrow-line Seyfert 1 Galaxies: A Search for Coevolving Massive Black Holes and Galaxies Molecular Gas in Narrow-line Seyfert 1 Galaxies: A Search for Coevolving Massive Black Holes and Galaxies

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..399..427k&link_type=abstract

Panoramic Views of Galaxy Formation and Evolution ASP Conference Series, Vol. 399, proceedings of the conference held 11-16 Dece

Astronomy and Astrophysics

Astronomy

Scientific paper

In order to investigate how the growth of galactic bulges progresses with the growth of central black holes (BHs), we observed molecular gas (fuel for the upcoming star formation) in narrow-line Seyfert 1 galaxies (NLS1s, possibly young active galaxies).
We present the results of radio observations of {^{12}}CO (1→0) line using the Nobeyama Millimeter Array for two far infrared (FIR)-bright NLS1s, yielding the first detection of their CO emission. Corresponding molecular-gas masses M(H_2) of (1-3) 10^9 M_{&sun;} are the 2nd- and 4th-largest among NLS1s. We found that these M(H_2) amounted to 13%-35% of their dynamical or bulge masses.

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