| Chandra X-ray Center | 	PI: Dr Laura Pentericci  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-03-17T13:53:14 | Date and time of file creation | 
| DATE-OBS | 2005-03-23T08:20:07 | Observation start date | 
| DATE-END | 2005-03-23T20:57:05 | Observation end date | 
| RA_PNT | 49.544179859966 | Pointing RA | 
| DEC_PNT | -25.594477758315 | Pointing Dec | 
| ROLL_PNT | 247.12573622519 | Pointing Roll | 
| RA_TARG | 49.55 | Observer's specified target RA | 
| DEC_TARG | -25.586389 | Observer's specified target Dec | 
| DATAMODE | VFAINT | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 153.4460144 | Focal Plane Temperature [K] | 
| FSW_VERS | 31 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-03-17T15:04:40 | Date and time of file creation | 
| DATE-OBS | 2005-03-23T08:20:07 | Observation start date | 
| DATE-END | 2005-03-23T20:57:05 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-35678 | Detector | 
| GRATING | NONE | Grating | 
| OBJECT | mrc0316-257 | Source name | 
| TITLE | The evolution of AGN: Chandra Imaging of protoclusters associated with high redshift radio galaxies | Proposal title | 
| OBSERVER | Dr Laura Pentericci | Principal investigator | 
| OBS_ID | 5734 | Observation id | 
| SEQ_NUM | 701156 | Sequence number | 
| RA_NOM | 49.544179859966 | Nominal RA | 
| DEC_NOM | -25.594477758315 | Nominal Dec | 
| ROLL_NOM | 247.12573622519 | Nominal Roll |