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Last modified: 15 December 2011

URL: http://cxc.harvard.edu/caldb/calibration/gratings.html

Calibration to CALDB File: GRATINGS

Return to: Calibration Index


HETGS Observer Information
LETGS Observer Information

The root for the CALDB Dir is $CALDB/data/chandra/ .

CALDB File Type
CCNM
CALDB Dir
Filename Installation Date CALDB Version CAL Product Files CAL Links
Grating Efficiencies

GREFF
default/greff/
HETG:
hetgD1996-11-01greffpr001N0007.fits
hetgD1996-11-01greffpr001N0006.fits
hetgD1996-11-01greffpr001N0005.fits
hetgD1996-11-01greffpr001N0004.fits

2011-12-02T16:00:00
2009-01-21T19:00:00
2005-12-15T16:00:00
2000-12-04T21:00:00

4.4.6.1
4.1.1
3.2.1
2.0

V7 CIP will not be posted.
V6 CIP will not be posted.
V5 CIP will not be posted.
V4 CIP:
Shell 1: hetgmp1D1996-11-01greffpr001N0004.rdb
Shell 3: hetgmp3D1996-11-01greffpr001N0004.rdb
Shell 4: hetgmp4D1996-11-01greffpr001N0004.rdb
Shell 6: hetgmp6D1996-11-01greffpr001N0004.rdb

HETG Efficiency
LETG:
letgD1999-11-01greffpr001N0007.fits

letgD1999-11-01greffpr001N0006.fits

letgD1996-11-01greffpr001N0005.fits

letgD1996-11-01greffpr001N0004.fits
v4 obsolete as of CalDB 2.28 letgD1996-11-01greffpr001N0003.fits
v3 obsolete as of CALDB 2.2

2011-04-26T20:00:00

2010-04-05T17:00:00

2004-08-11T17:00:00

2001-01-25T18:00:00

1999-12-21T00:00:00

4.4.3

4.2.1

2.28

2.2

1.0

There is no CIP file for V7.

letgD1996-11-01greffpr001N0006.rdb
Same for all shells.
letgD1996-11-01greffpr001N0005.rdb
Same for all shells.

LETG Higher Order Efficiency
Grating LSF Parameters

LSFPARM
acis/lsfparm/





















hrc/lsfparm/
ACIS-S/MEG +1:
acismeg1D1999-07-22lsfparmN0005.fits
acismeg1D1999-07-22lsfparmN0004.fits (V4 retired in 3.4.0)
acismeg1D1999-07-22lsfparmN0003.fits

v5: 2006-12-15T14:00:00
v4: 2004-07-01T13:00:00
v3: 2002-10-01T13:00:00

v5: 3.4.0
v4: 2.27
v3: 2.17



acismeg1D1999-07-22lsfparmN0003_CIP.dat
v4: LSFPARM for HETG+ACIS-S unrandomized datasets

Transmission Grating Line Spread Function

HETGS Resolution
ACIS-S/HEG +1:
acisheg1D1999-07-22lsfparmN0004.fits
acisheg1D1999-07-22lsfparmN0003.fits


acisheg1D1999-07-22lsfparmN0003_CIP.dat
ACIS-S/MEG -1:
acismeg-1D1999-07-22lsfparmN0005.fits
acismeg-1D1999-07-22lsfparmN0004.fits (v4 retired in 3.4.0)
acismeg-1D1999-07-22lsfparmN0003.fits

v5: 2006-12-15T14:00:00
v4: 2004-07-01T13:00:00
v3: 2003-02-14T16:00:00

v5: 3.4.0
v4: 2.27
v3: 2.21



acismeg-1D1999-07-22lsfparmN0003_CIP.dat
ACIS-S/HEG -1:
acisheg-1D1999-07-22lsfparmN0004.fits
acisheg-1D1999-07-22lsfparmN0003.fits


acisheg-1D1999-07-22lsfparmN0003_CIP.dat
ACIS-S/LEG:
RAND_TG=0.0 (randomization off):
acissleg-1D1999-07-22lsfparmN0004.fits
acissleg1D1999-07-22lsfparmN0004.fits
acissleg-1D1999-07-22lsfparmN0003.fits
acissleg1D1999-07-22lsfparmN0003.fits
RAND_TG=0.5 (randomization on): acissleg1D1999-07-22lsfparmN0002.fits

2010-12-15T17:00:00


2004-08-11T17:00:00


2001-12-12T20:00:00

4.4.1


2.28


2.10
   
HRC-S/LEG:
hrcsleg-1D1999-07-22lsfparmN0003.fits
hrcsleg1D1999-07-22lsfparmN0003.fits

hrcsleg1D1999-07-22lsfparmN0002.fits
V2 deprecated in CalDB 3.0.0

2004-07-01T13:00:00


2001-12-12T20:00:00

2.27


2.10
  v3: LSFPARM for LETG+HRC-S unrandomized datasets

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Last modified: 15 December 2011
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