| Chandra X-ray Center | 	PI: CHANDRA engineering request/realtime commanding  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.8.1 | ASCDS version number | 
| DATE | 2006-09-08T14:35:15 | Date and time of file creation | 
| DATE-OBS | 2002-03-25T13:41:51 | Observation start date | 
| DATE-END | 2002-03-25T19:37:01 | Observation end date | 
| RA_PNT | 170.02473289222 | Pointing RA | 
| DEC_PNT | -9.0149051918372 | Pointing Dec | 
| ROLL_PNT | 295.83103136785 | Pointing Roll | 
| RA_TARG | 0.0 | Observer's specified target RA | 
| DEC_TARG | 0.0 | Observer's specified target Dec | 
| DATAMODE | FAINT | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 155.70414734 | Focal Plane Temperature [K] | 
| FSW_VERS | 30 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.8.1 | ASCDS version number | 
| DATE | 2006-09-08T14:49:40 | Date and time of file creation | 
| DATE-OBS | 2002-03-25T13:41:51 | Observation start date | 
| DATE-END | 2002-03-25T19:37:01 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-456789 | Detector | 
| GRATING | NONE | Grating | 
| OBJECT | Source name | |
| TITLE | ACIS-456789 diagnostics | Proposal title | 
| OBSERVER | CHANDRA engineering request/realtime commanding | Principal investig | 
| OBS_ID | 61254 | Observation id | 
| SEQ_NUM | Sequence number | |
| RA_NOM | 170.02473289222 | Nominal RA | 
| DEC_NOM | -9.0149051918372 | Nominal Dec | 
| ROLL_NOM | 295.83103136785 | Nominal Roll |