Chandra Calibration StatusChandra Calibration Status

Highlights from the Chandra Calibration Review

New results on the HRMA effective area

Updates to the ACIS contamination model

Flux Cross-Calibration with Other X-ray Telescopes

Proper Stellar Motions with Chandra

Temperature-dependent ACIS gain corrections

Recent HRMA Calibration Results

CALDB Version

Optical depth of the contaminant at the Mn-L and F-K complex on Optical depth of the contaminant at the Mn-L and F-K complex on ACIS-SACIS-S

Updates to the ACIS contamination Model

External Calibration Source (ECS)

Courtesy of Dan McCammon

External Calibration Source (ECS)

External Calibration Source (ECS)

External Calibration Source (ECS)

Surface Roughness of ACIS Filter ContaminantSurface Roughness of ACIS Filter Contaminant

External Calibration Source (ECS)

Effect of Surface Roughness on Measured Optical DepthsEffect of Surface Roughness on Measured Optical Depths

External Calibration Source (ECS)

Revised ACIS Contamination ModelRevised ACIS Contamination Model

CALDB New

The Coma Cluster

1999

2009 CALDB

2009

New

LETG/ACIS-S Observation of Mkn 421LETG/ACIS-S Observation of Mkn 421

CALDB New

Flux Cross-Calibration with Other X-Ray TelescopesFlux Cross-Calibration with Other X-Ray Telescopes

OVII

OVIII

Ne IX

Ne X

Simultaneous Chandra/XMM-Newton AGN ObservationsSimultaneous Chandra/XMM-Newton AGN Observations

Additional AO-11 Calibration ObservationsAdditional AO-11 Calibration Observations

A set of 5 LETG/ACIS-S observations of Mkn421

A set of 4 observations of Abell 1795 on ACIS-I and ACIS-S

Measure the C-K edge optical depth at the aim-point on S3 with a LETG/ACIS-S observation of Mkn421