| 	Chandra X-ray Center  | 
	PI: Dr. Fabrizio Nicastro   | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-04-09T07:55:07 | Date and time of file creation | 
| DATE-OBS | 2004-12-14T12:33:22 | Observation start date | 
| DATE-END | 2004-12-16T01:16:02 | Observation end date | 
| RA_PNT | 76.971985387823 | Pointing RA | 
| DEC_PNT | 67.622899415796 | Pointing Dec | 
| ROLL_PNT | 186.86875516882 | Pointing Roll | 
| RA_TARG | 76.984167 | Observer's specified target RA | 
| DEC_TARG | 67.623333 | Observer's specified target Dec | 
| DEGAP | hrcsD1999-07-22gaplookupN0002.fits | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-04-09T08:31:55 | Date and time of file creation | 
| DATE-OBS | 2004-12-14T12:33:22 | Observation start date | 
| DATE-END | 2004-12-16T01:16:02 | Observation end date | 
| INSTRUME | HRC | Instrument | 
| DETNAM | HRC-S | Detector | 
| GRATING | LETG | Grating | 
| OBJECT | BL 0502+675 | Source name | 
| TITLE | X-Raying the Intergalactic Medium with Blazars in Outburst | Proposa | 
| OBSERVER | Dr. Fabrizio Nicastro | Principal investigator | 
| OBS_ID | 5035 | Observation id | 
| SEQ_NUM | 900342 | Sequence number | 
| RA_NOM | 76.971985387823 | Nominal RA | 
| DEC_NOM | 67.622899415796 | Nominal Dec | 
| ROLL_NOM | 186.86875516882 | Nominal Roll |