Summary Page for Precise astrometry of the X-ray sources 4U1700+24 and 4U1954+319
Precise astrometry of the X-ray sources 4U1700+24 and 4U1954+319

Target: 4U 1700+24

Chandra
X-ray
Center

PI: Dr. Nicola Masetti 
Seq Num: 400385
Obs ID: 5455
Instrument: HRC




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.11.2 Processing system revision
DATE 2007-11-24T13:55:49 Date and time of file creation
DATE-OBS 2005-04-23T02:46:07 Observation start date
DATE-END 2005-04-23T03:34:18 Observation end date
RA_PNT 256.64326674318 Pointing RA
DEC_PNT 23.974614930684 Pointing Dec
ROLL_PNT 123.924440074 Pointing Roll
RA_TARG 256.644167 Observer's specified target RA
DEC_TARG 23.970556 Observer's specified target Dec
DEGAP hrciD1999-07-22gaplookupN0003.fits  



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.11.2 Processing system revision
DATE 2007-11-24T14:04:38 Date and time of file creation
DATE-OBS 2005-04-23T02:46:07 Observation start date
DATE-END 2005-04-23T03:34:18 Observation end date
INSTRUME HRC Instrument
DETNAM HRC-I Detector
GRATING NONE Grating
OBJECT 4U 1700+24 Source name
TITLE Precise astrometry of the X-ray sources 4U1700+24 and 4U1954+319 P
OBSERVER Dr. Nicola Masetti Principal investigator
OBS_ID 5455 Observation id
SEQ_NUM 400385 Sequence number
RA_NOM 256.64326674318 Nominal RA
DEC_NOM 23.974614930684 Nominal Dec
ROLL_NOM 123.924440074 Nominal Roll