Journal
ASTROPHYSICAL JOURNAL
Volume 902, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/1538-4357/abb377
Keywords
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
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Funding
- NASA through the Space Telescope Science Institute [GO-13765]
- NASA [NAS5-26555]
- Independent Research Fund Denmark [DFF 8021-00130]
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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.
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