SIMBAD references

2006ApJ...653..152D - Astrophys. J., 653, 152-158 (2006/December-2)

The mass of the black hole in the Seyfert 1 galaxy NGC 4593 from reverberation mapping.

DENNEY K.D., BENTZ M.C., PETERSON B.M., POGGE R.W., CACKETT E.M., DIETRICH M., FOGEL J.K.J., GHOSH H., HORNE K.D., KUEHN C., MINEZAKI T., ONKEN C.A., PRONIK V.I., RICHSTONE D.O., SERGEEV S.G., VESTERGAARD M., WALKER M.G. and YOSHII Y.

Abstract (from CDS):

We present new observations leading to an improved black hole mass estimate for the Seyfert 1 galaxy NGC 4593 as part of a reverberation-mapping campaign conducted at the MDM Observatory. Cross-correlation analysis of the Hβ emission-line light curve with the optical continuum light curve reveals an emission-line time delay of τcent=3.73±0.75 days. By combining this time delay with the Hβ line width, we derive a central black hole mass of MBH=(9.8±2.1)x106 M☉, an improvement in precision of a factor of several over past results.

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Journal keyword(s): Galaxies: Active - Galaxies: Nuclei - Galaxies: Seyfert

Simbad objects: 5

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