view Abstract Citations (104) References (40) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. VI. The Cepheids in NGC 925 Silbermann, N. A. ; Harding, Paul ; Madore, Barry F. ; Kennicutt, Robert C., Jr. ; Saha, Abhijit ; Stetson, Peter B. ; Freedman, Wendy L. ; Mould, Jeremy R. ; Graham, John A. ; Hill, Robert J. ; Turner, Anne ; Bresolin, Fabio ; Ferrarese, Laura ; Ford, Holland ; Hoessel, John G. ; Han, Mingsheng ; Huchra, John ; Hughes, Shaun M. G. ; Illingworth, Garth D. ; Phelps, Randy ; Sakai, Shoko Abstract We report the detection of Cepheid variable stars in the barred spiral galaxy NGC 925, using the Hubble Space Telescope (HST) Wide-Field and Planetary Camera 2 (WFPC2). Twelve V (F555W) and four I (F814W) epochs of cosmic-ray split observations were obtained. Eighty Cepheids were discovered, with periods from 6 to ~80 days. Light curves of the Cepheids are presented, and their corresponding period-luminosity diagrams are discussed. Using a distance modulus for the Large Magellanic Cloud Cepheids of 18.50 mag and an extinction of E(V - I) = 0.13 mag, the measured distance modulus to NGC 925 is 29.84 +/- 0.16 mag, corresponding to a distance of 9.29 +/- 0.69 Mpc. A mean reddening of E(V-I) = 0.17 mag is found for the Cepheids in this region of NGC 925. Publication: The Astrophysical Journal Pub Date: October 1996 DOI: 10.1086/177845 Bibcode: 1996ApJ...470....1S Keywords: STARS: VARIABLES: CEPHEIDS; GALAXIES: INDIVIDUAL NGC NUMBER: NGC 925; COSMOLOGY: DISTANCE SCALE full text sources ADS | data products SIMBAD (302) NED (139) MAST (1) ESA (1) Related Materials (29) Part 1: 1994ApJ...427..628F Part 2: 1994ApJ...428..143H Part 3: 1996ApJ...463...26K Part 4: 1997ApJ...478..430K Part 5: 1996ApJ...464..568F Part 6: 1997ApJ...475..853F Part 7: 1998ApJ...496..648H Part 9: 1997ApJ...477..535G Part 10: 1997ApJ...490..517R Part 11: 1998ApJ...500..763P Part 12: 1998ApJ...501...32H Part 13: 1998ApJ...505..207T Part 14: 1998ApJ...507..655F Part 15: 1998ApJ...498..181K Part 16: 1999ApJ...515....1S Part 17: 1999ApJ...515...29M Part 18: 1999ApJ...512...48G Part 19: 1999ApJ...521..155M Part 20: 1999ApJ...514..614K Part 21: 1999ApJ...516..626G Part 22: 2000ApJ...528..655M Part 23: 1999ApJ...525...80P Part 24: 1999ApJ...523..540S Part 25: 2000ApJ...529..698S Part 26: 2000ApJ...529..723G Part 27: 2000ApJ...529..745F Part 28: 2000ApJ...529..768K Part 29: 2000ApJ...529..786M Part 30: 2000ApJ...545..547M