A Cross-calibration Table

This shows the possible cross-calibrations among the 5 primary Chandra spectrometers and with other Chandra modes and other non-Chandra instruments.
Chandra Primary
Spectrometers
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HETGS
HEG
HETGS
MEG
LETG-
ACIS
LETGS
(HRC-S)
ACIS
S3
ACIS
I3
Chandra
Internal
Cross-Cal:
. . . . . . . . . . . . . . . . . . . . . . . .
HEG ------ ------ ------ ------ ------ ------
MEG . ------ ------ ------ ------ ------
LETG/ACIS . . ------ ------ ------ ------
LETGS . . . ------ ------ ------
ACIS-S3 . . . . ------ ------
ACIS-I3 . . . . . ------
HRC-I . . . . . .
HETG-CC . . . . . .
LETG-CC . . . . . .
S3-CC,strk . . . . . .
I3-CC,strk . . . . . .
S3-HETG-zo . . . . . .
S3-LETG-zo . . . . . .
External
Cross-
Calibration:
. . . . . . . . . . . . . . . . . . . . . . . .
XMM - PN . . . . . .
XMM - MOS . . . . . .
XMM - RGS . . . . . .
Suzaku-XIS-FI . . . . . .
Suzaku-XIS-BI . . . . . .
RXTE - PCA . . . . . .