The HST Key Project Archives - M101

• The Extragalactic Distance Scale Key Project. III. The Discovery of Cepheids and a New Distance to M101 Using the Hubble Space Telescope, Kelson, D.D. et al., 1996, ApJ, 463, 26
  • Cepheid Parameters
  • V Photometry of Cepheid Variables
  • I Photometry of Cepheid Variables

  • M101 Median WF Images Chip 1, F555W and F814W (tar FITS files)
  • M101 Median WF Images Chip 2, F555W and F814W (tar FITS files)
  • M101 Median WF Images Chip 3, F555W and F814W (tar FITS files)
  • M101 Median WF Images Chip 4, F555W and F814W (tar FITS files)

• The Extragalactic Distance Scale Key Project. XVI. Cepheid Variables in an Inner Field of M101, Stetson, P.B., et al., 1998, ApJ, 508, 491
  • Coordinates and Mean Magnitudes for Local Standards (Table 2)
  • Variable Coordinates, Periods, and Mean Magnitudes (Table 3)
  • ALLFRAME versus DoPHOT Comparison (Table 5)
  • M101 Inner Field Variable Photometry
  • M101 Inner Field Variable Findercharts (tar file)
  • M101 Inner Field Variable Lightcurves (postscript)

  • M101 Median WFPC2 Images Chip 1 (PC), F555W and F814W (tar FITS files)
  • M101 Median WFPC2 Images Chip 2 (WF2), F555W and F814W (tar FITS files)
  • M101 Median WFPC2 Images Chip 3 (WF3), F555W and F814W (tar FITS files)
  • M101 Median WFPC2 Images Chip 4 (WF4), F555W and F814W (tar FITS files)