Summary Page for Measuring the spatial variation in the depth and composition of the ACIS contaminant with PKS 2155-304.
Measuring the spatial variation in the depth and composition of the ACIS contaminant with PKS 2155-304.

Target: Mkn 421

Chandra
X-ray
Center

PI: Dr. CXC Calibration 
Seq Num: 790095
Obs ID: 5331
Instrument: ACIS
Grating: LETG




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.7.2 ASCDS version number
DATE 2006-04-29T22:34:37 Date and time of file creation
DATE-OBS 2004-07-12T04:12:39 Observation start date
DATE-END 2004-07-12T23:48:37 Observation end date
RA_PNT 166.13448995396 Pointing RA
DEC_PNT 38.248540189284 Pointing Dec
ROLL_PNT 273.3076412614 Pointing Roll
RA_TARG 166.126421 Observer's specified target RA
DEC_TARG 38.22717 Observer's specified target Dec
DATAMODE FAINT Data mode
READMODE TIMED Read mode
FP_TEMP 153.4460144 Focal Plane Temperature [K]
FSW_VERS 31 ACIS flight software version number



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.7.2 ASCDS version number
DATE 2006-04-29T22:59:42 Date and time of file creation
DATE-OBS 2004-07-12T04:12:39 Observation start date
DATE-END 2004-07-12T23:48:37 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-456789 Detector
GRATING LETG Grating
OBJECT Mkn 421 Source name
TITLE Measuring the spatial variation in the depth and composition of the ACIS contaminant with PKS 2155-304. Proposal title
OBSERVER Dr. CXC Calibration Principal investigator
OBS_ID 5331 Observation id
SEQ_NUM 790095 Sequence number
RA_NOM 166.13448995396 Nominal RA
DEC_NOM 38.248540189284 Nominal Dec
ROLL_NOM 273.3076412614 Nominal Roll