Summary Page for AO4 CALIBRATION OBSERVATIONS TO MEASURE THE MIRROR VIGNETTING
AO4 CALIBRATION OBSERVATIONS TO MEASURE THE MIRROR VIGNETTING

Target: G21.5-0.9[Chip S3, T=120, Offsets=-1,15,-2]

Chandra
X-ray
Center

PI: Dr. CXC Calibration 
Seq Num: 590320
Obs ID: 4355
Instrument: ACIS




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.8.1 ASCDS version number
DATE 2006-08-12T07:10:51 Date and time of file creation
DATE-OBS 2003-05-20T18:19:26 Observation start date
DATE-END 2003-05-20T21:24:26 Observation end date
RA_PNT 278.62587272427 Pointing RA
DEC_PNT -10.469258746034 Pointing Dec
ROLL_PNT 108.61512509031 Pointing Roll
RA_TARG 278.389583 Observer's specified target RA
DEC_TARG -10.568528 Observer's specified target Dec
DATAMODE VFAINT Data mode
READMODE TIMED Read mode
FP_TEMP 153.4460144 Focal Plane Temperature [K]
FSW_VERS 30 ACIS flight software version number



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.8.1 ASCDS version number
DATE 2006-08-12T07:26:18 Date and time of file creation
DATE-OBS 2003-05-20T18:19:26 Observation start date
DATE-END 2003-05-20T21:24:26 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-012367 Detector
GRATING NONE Grating
OBJECT G21.5-0.9[Chip S3, T=120, Offsets=-1,15,-2] Source name
TITLE AO4 CALIBRATION OBSERVATIONS TO MEASURE THE MIRROR VIGNETTING Prop
OBSERVER Dr. CXC Calibration Principal investigator
OBS_ID 4355 Observation id
SEQ_NUM 590320 Sequence number
RA_NOM 278.62587272427 Nominal RA
DEC_NOM -10.469258746034 Nominal Dec
ROLL_NOM 108.61512509031 Nominal Roll