| Chandra X-ray Center | 	PI: Dr. Peter Predehl  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.8 | ASCDS version number | 
| DATE | 2006-08-03T07:30:55 | Date and time of file creation | 
| DATE-OBS | 2003-06-02T20:57:59 | Observation start date | 
| DATE-END | 2003-06-02T22:49:51 | Observation end date | 
| RA_PNT | 194.0447134499 | Pointing RA | 
| DEC_PNT | -5.7937926878991 | Pointing Dec | 
| ROLL_PNT | 247.2668688127 | Pointing Roll | 
| RA_TARG | 194.046667 | Observer's specified target RA | 
| DEC_TARG | -5.789306 | Observer's specified target Dec | 
| DEGAP | hrcsD1999-07-22gaplookupN0002.fits | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.8 | ASCDS version number | 
| DATE | 2006-08-03T07:46:58 | Date and time of file creation | 
| DATE-OBS | 2003-06-02T20:57:59 | Observation start date | 
| DATE-END | 2003-06-02T22:49:51 | Observation end date | 
| INSTRUME | HRC | Instrument | 
| DETNAM | HRC-S | Detector | 
| GRATING | LETG | Grating | 
| OBJECT | 3C 279 | Source name | 
| TITLE | CHANDRA LETG SPECTROSCOPY OF THE GAMMA-RAY BLAZAR 3C 279 AS PART OF A MULTIFREQUENCY CAMPAIGN | Proposal title | 
| OBSERVER | Dr. Peter Predehl | Principal investigator | 
| OBS_ID | 3559 | Observation id | 
| SEQ_NUM | 700621 | Sequence number | 
| RA_NOM | 194.0447134499 | Nominal RA | 
| DEC_NOM | -5.7937926878991 | Nominal Dec | 
| ROLL_NOM | 247.2668688127 | Nominal Roll |