Summary Page for AO4 CALIBRATION OBSERVATIONS OF 3C273
AO4 CALIBRATION OBSERVATIONS OF 3C273

Target: 3C273

Chandra
X-ray
Center

PI: Dr. CXC Calibration 
Seq Num: 790087
Obs ID: 4430
Instrument: ACIS
Grating: HETG




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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 2006-08-10T13:51:32 Date and time of file creation
DATE-OBS 2003-07-07T12:10:02 Observation start date
DATE-END 2003-07-07T20:16:16 Observation end date
RA_PNT 187.27694593126 Pointing RA
DEC_PNT 2.0544047630348 Pointing Dec
ROLL_PNT 247.63646602617 Pointing Roll
RA_TARG 187.277917 Observer's specified target RA
DEC_TARG 2.052389 Observer's specified target Dec
DATAMODE FAINT 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 2006-08-10T14:08:59 Date and time of file creation
DATE-OBS 2003-07-07T12:10:02 Observation start date
DATE-END 2003-07-07T20:16:16 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-456789 Detector
GRATING HETG Grating
OBJECT 3C273 Source name
TITLE AO4 CALIBRATION OBSERVATIONS OF 3C273 Proposal title
OBSERVER Dr. CXC Calibration Principal investigator
OBS_ID 4430 Observation id
SEQ_NUM 790087 Sequence number
RA_NOM 187.27694593126 Nominal RA
DEC_NOM 2.0544047630348 Nominal Dec
ROLL_NOM 247.63646602617 Nominal Roll