| Chandra X-ray Center | 	PI: Prof. Deepto Chakrabarty  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.9 | ASCDS version number | 
| DATE | 2006-09-28T19:38:37 | Date and time of file creation | 
| DATE-OBS | 2002-08-16T22:04:32 | Observation start date | 
| DATE-END | 2002-08-17T13:07:05 | Observation end date | 
| RA_PNT | 283.27227754243 | Pointing RA | 
| DEC_PNT | -8.6845899158348 | Pointing Dec | 
| ROLL_PNT | 259.45232340445 | Pointing Roll | 
| RA_TARG | 283.27 | Observer's specified target RA | 
| DEC_TARG | -8.7055 | Observer's specified target Dec | 
| DATAMODE | FAINT | 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 | 2006-09-28T20:00:47 | Date and time of file creation | 
| DATE-OBS | 2002-08-16T22:04:32 | Observation start date | 
| DATE-END | 2002-08-17T13:07:05 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-456789 | Detector | 
| GRATING | LETG | Grating | 
| OBJECT | 4U 1850-087 | Source name | 
| TITLE | RESOLVING THE SOFT EXCESS IN 4U 1850-087 | Proposal title | 
| OBSERVER | Prof. Deepto Chakrabarty | Principal investigator | 
| OBS_ID | 2746 | Observation id | 
| SEQ_NUM | 400226 | Sequence number | 
| RA_NOM | 283.27227754243 | Nominal RA | 
| DEC_NOM | -8.6845899158348 | Nominal Dec | 
| ROLL_NOM | 259.45232340445 | Nominal Roll |