The Cepheid Distance to the Seyfert 1 Galaxy NGC 4151

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  • W. Yuan
  • M. M. Fausnaugh
  • S. L. Hoffmann
  • L. M. Macri
  • B. M. Peterson
  • A. G. Riess
  • M. C. Bentz
  • J. S. Brown
  • E. Dalla Bonta
  • R. Davies
  • G. De Rosa
  • L. Ferrarese
  • C. J. Grier
  • E. K. S. Hicks
  • C. A. Onken
  • R. W. Pogge
  • T. Storchi-Bergmann
  • Vestergaard, Marianne

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.

Original languageEnglish
Article number26
JournalAstrophysical Journal
Volume902
Issue number1
Number of pages15
ISSN0004-637X
DOIs
Publication statusPublished - Oct 2020

    Research areas

  • 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, SUPERMASSIVE BLACK-HOLES, ACTIVE GALACTIC NUCLEI, NARROW-LINE REGION, GRAVITATIONAL LENSING EXPERIMENT., REVERBERATION MAPPING DATA, OGLE-III CATALOG, GEMINI NIFS, KINEMATICS, MASS, MAGNITUDES

ID: 250549298