Updated WFPC2 Flatfield Reference Files for 1995 - 2001

Details Updated WFPC2 Flatfield Reference Files for 1995 - 2001 Updated WFPC2 Flatfield Reference Files for 1995 - 2001

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002wfpc.rept....2k&link_type=abstract

Instrument Science Report 2002-02, 41 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 2, Wfc2

Scientific paper

We present updated flatfields for WFPC2 using on-orbit data from Earthflat exposures, covering dates ranging from September 1995 - May 2001. We divide the flatfields into epochs depending on the appearance of major new features, thereby substantially diminishing the effect of such features on the data by calibrating their variation with time. We also quantify their wavelength dependence by examining Earthflats from a wide range of filters, and measure the time dependence of large-scale flatfield features that may be caused by long-term changes in the camera geometry. In addition, we are able to measure pixel-to-pixel structure to levels below ~0.3% for the PC and ~0.2% for the WF chips. Here we describe the procedures for creating the new flats, which are now available in the standard CDBS processing pipeline as updated WFPC2 calibration reference files.

Affiliated with

Also associated with

No associations

Rating

Updated WFPC2 Flatfield Reference Files for 1995 - 2001 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Updated WFPC2 Flatfield Reference Files for 1995 - 2001, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Updated WFPC2 Flatfield Reference Files for 1995 - 2001 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1499583