| Chandra X-ray Center | 	PI: Prof. Eric Feigelson  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.9 | ASCDS version number | 
| DATE | 2006-10-19T08:15:45 | Date and time of file creation | 
| DATE-OBS | 2003-01-13T07:34:44 | Observation start date | 
| DATE-END | 2003-01-15T08:12:49 | Observation end date | 
| RA_PNT | 83.821009812145 | Pointing RA | 
| DEC_PNT | -5.394402775937 | Pointing Dec | 
| ROLL_PNT | 310.90882385688 | Pointing Roll | 
| RA_TARG | 83.819583 | Observer's specified target RA | 
| DEC_TARG | -5.39 | Observer's specified target Dec | 
| DATAMODE | VFAINT | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 153.60722351 | Focal Plane Temperature [K] | 
| FSW_VERS | 30 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.9 | ASCDS version number | 
| DATE | 2006-10-19T09:43:33 | Date and time of file creation | 
| DATE-OBS | 2003-01-13T07:34:44 | Observation start date | 
| DATE-END | 2003-01-15T08:12:49 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-01236 | Detector | 
| GRATING | NONE | Grating | 
| OBJECT | ORION NEBULA CLUSTER | Source name | 
| TITLE | AN ULTRADEEP CHANDRA STUDY OF THE ORION NEBULA (GUEST OBSERVER PORTION) | Proposal title | 
| OBSERVER | Prof. Eric Feigelson | Principal investigator | 
| OBS_ID | 4373 | Observation id | 
| SEQ_NUM | 200214 | Sequence number | 
| RA_NOM | 83.821009812145 | Nominal RA | 
| DEC_NOM | -5.394402775937 | Nominal Dec | 
| ROLL_NOM | 310.90882385688 | Nominal Roll |