CalDB 4.2.2, an emergency patch of the Chandra CalDB, to fix two errors in CalDB . CalDB header corrections for two ACIS T_GAIN files; Corrected ACIS-I1 .

6 Aug 1997 . f2dhisto - Make a 2-D histogram from 2 columns in a table; fadapt - Convolve a FITS . fmodhead - Modify the header keywords in a FITS file .

The keyword generatemessagehash , if specified on a destination channel, inserts a Message-hash: header field into the message. The keyword keepmessagehash .

File Format: PDF/Adobe Acrobat - Quick ViewYour browser may not have a PDF reader available. Google recommends visiting our text version of this document.by M Donahue - 2003 - Cited by 3 - Related articlesmaps from CALDB, Version 2.9 (2001-10-22), and CIAO,. 644. DONAHUE, DALY, HORNER .. 2.Radio contours overlaid on the inverse gray-scale image of the. Chandra X-ray image for 3C 280. .. calibration information from the header ( the PHOTFLAM . keyword), we converted the observed count rates (in units .

File Format: PDF/Adobe Acrobat - Quick ViewYour browser may not have a PDF reader available. Google recommends visiting our text version of this document.by A Moretti - 2005 - Cited by 5 - Related articlesrefined position measurements are less than 2′′. We note that the expected background counts . coordinates and it is available in the header keyword PA PNT . cluded in the standard calibration files from Dec 2005 CALDB distribution. .

my $row 0; my $npars 2; my $nbins energy - 1; for my $x ( 0, 1, 2 ) for . keywords. A reference to an array of Astro::FITS::Header::Item objects, . is documented at ftp://legacy.gsfc.nasa.gov/caldb/docs/memos/ogip_92_009/. .

2 Coordinate system Equatorial Projection Gnomonic Equinox 1950 Epoch 1983 Reference Wheelock, . then you need to look for the header keywords: JMAGZP , HMAGZP and KMAGZP , .. rsync -av /net1/hobby/software/headas-6.3/CALDB/ .

Date: Wed, 2 Mar 94 13:16 EST On Mon, 7 Feb 1994, Ia...