Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...486l..15g&link_type=abstract
Astrophysical Journal Letters v.486, p.L15
Astronomy and Astrophysics
Astronomy
36
Galaxies: Active, Galaxies: Individual Ngc Number: Ngc 3735, Galaxies: Nuclei, Masers
Scientific paper
We report the results of a survey for H2O maser emission in the 616--523 transition at 1.35 cm wavelength in 29 active galactic nuclei (AGNs). One new maser was detected. The detection rate among objects with recessional velocities <7000 km s-1 is consistent with rates reported elsewhere for similarly nearby objects (about one in 15). The new maser lies in the edge-on Seyfert 2 galaxy NGC 3735 (inclination 77 deg) within 10 km s-1 of the systemic velocity. No other emission has been identified at velocities within +/-500 km s-1 of the systemic velocity. The maser is coincident with the radio continuum peak of the nucleus at 6 and 3.6 cm wavelengths to within the estimated 1 sigma astrometric uncertainty of 0."1 (15 pc at a distance of 30 Mpc).
Greenhill Lincoln J.
Herrnstein James Rezso
Menten Karl. M.
Moran James Michael
Velusamy Thangasamy
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