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2020ApJ...902...26Y - Astrophys. J., 902, 26-26 (2020/October-2)

The Cepheid distance to the Seyfert 1 galaxy NGC 4151.

YUAN W., FAUSNAUGH M.M., HOFFMANN S.L., MACRI L.M., PETERSON B.M., RIESS A.G., BENTZ M.C., BROWN J.S., DALLA BONTA E., DAVIES R.I., DE ROSA G., FERRARESE L., GRIER C.J., HICKS E.K.S., ONKEN C.A., POGGE R.W., STORCHI-BERGMANN T. and VESTERGAARD M.

Abstract (from CDS):

We derive a distance of 15.8 ± 0.4 Mpc to the archetypal Seyfert 1 galaxy NGC 4151 based on the near-infrared Cepheid period-luminosity relation and new Hubble Space Telescope multiband imaging. This distance determination, based on measurements of 35 long-period (P > 25 days) Cepheids, will support the absolute calibration of the supermassive black hole mass in this system, as well as studies of the dynamics of the feedback or feeding of its active galactic nucleus.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Cepheid variable stars - Distance measure - Cepheid distance - AGN host galaxies - Hubble Space Telescope - HST photometry - Time series analysis - Near infrared astronomy - Optical observatories - Distance indicators - Galaxy distances

VizieR on-line data: <Available at CDS (J/ApJ/902/26): table3.dat table4.dat>

Nomenclature: Tables 3-4: [YFH2020] NNNNNNN N=57+136 among (Nos 35238-3223512).

Simbad objects: 143

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