Summary Page for AO4 CALIBRATION OBSERVATIONS TO MONITOR THE HRC LOW ENERGY QE
AO4 CALIBRATION OBSERVATIONS TO MONITOR THE HRC LOW ENERGY QE

Target: PKS2155-304

Chandra
X-ray
Center

PI: Dr. CXC Calibration 
Seq Num: 290249
Obs ID: 3716
Instrument: HRC
Grating: LETG




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.11.2 ASCDS version number
DATE 2007-11-22T00:49:02 Date and time of file creation
DATE-OBS 2002-11-30T18:51:53 Observation start date
DATE-END 2002-11-30T21:06:05 Observation end date
RA_PNT 329.71610242427 Pointing RA
DEC_PNT -30.229757296559 Pointing Dec
ROLL_PNT 285.88242897816 Pointing Roll
RA_TARG 329.716667 Observer's specified target RA
DEC_TARG -30.225556 Observer's specified target Dec
DEGAP hrciD1999-07-22gaplookupN0003.fits  



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.11.2 ASCDS version number
DATE 2007-11-22T00:59:02 Date and time of file creation
DATE-OBS 2002-11-30T18:51:53 Observation start date
DATE-END 2002-11-30T21:06:05 Observation end date
INSTRUME HRC Instrument
DETNAM HRC-I Detector
GRATING LETG Grating
OBJECT PKS2155-304 Source name
TITLE AO4 CALIBRATION OBSERVATIONS TO MONITOR THE HRC LOW ENERGY QE Prop
OBSERVER Dr. CXC Calibration Principal investigator
OBS_ID 3716 Observation id
SEQ_NUM 290249 Sequence number
RA_NOM 329.71610242427 Nominal RA
DEC_NOM -30.229757296559 Nominal Dec
ROLL_NOM 285.88242897816 Nominal Roll