The ROSAT High Resolution Imager (HRI) Calibration Report
U.S. ROSAT SCIENCE DATA CENTER/SAO
rsdc@cfa.harvard.edu
Revised 1999 October 5
http://hea-www.harvard.edu/rosat/hricalrep.html
Original Authors
David, L.P.
Harnden, F.R.
Kearns, K.E.
Zombeck, M.V.
Contributors to revisions
Harris, D.E.
Mossman, A. E.
Prestwich, A.
Primini, F.A.
Silverman, J.D.
Snowden, S.L.
CHANGE DOC
96 Feb 01 Minor Revisions
Effective Area (Sec 3.3)
HV Increase (Sec 3.8)
Substantive Revisions
Spectral Response (Sec 3.5)
UV Response (Sec 3.6)
New Material
Hotspots (Sec 3.9)
Point Source Sensitivity (Sec 4.2)
97 Feb 15 Substantive Revisions
Spectral Response (Sec 3.5)
UV Response (Sec 3.6)
Table 7
New Figures
Time History of Detector Gain (Fig 20)
Spectral Model Fit to PHA ( Fig 21)
Spectral Gain Calibration (Fig 22)
97 Jun 1 Substantive Revisions
Expected Count Rates (Sec 4.3)
New Material
High Voltage Increase (Sec 3.8)
Flux of a Source - Gaussian Statistics Case (Sec 4.2.1)
New Figures
Minimum detectable source flux (Fig 26)
ECF plot-Powerlaw spectral model (Fig 28)
ECF plot-Thermal Bremsstrahlung spectral model (Fig 29)
ECF plot-Raymond-Smith spectral model (Fig 30)
ECF plot-Blackbody spectral model (Fig 31)
98 Jun 1 Minor Revisions
In-flight Point Spread Functions (Sec 3.2.3)
High Voltage Increase (Sec 3.8)
 :Hotspots (sec 3.9)
Updated Figures
Time History of Detector Gain (Fig 22)
99 Jun 1 New Material
Discussion of the SASS HRI Aspect Timing Bug (Sec 3.2.4)
Minor Revisions
Table 8 Broken into 4 separate tables (Sec 4.3)
99 Oct 5 Revisions
The parametric representation of the off-axis PRF was deleted because it was found to be erroneous (Sec 2.2.3).