| Chandra X-ray Center | 	PI: Prof. Shuang Nan Zhang  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.9 | ASCDS version number | 
| DATE | 2006-10-11T19:29:21 | Date and time of file creation | 
| DATE-OBS | 2002-01-30T01:23:31 | Observation start date | 
| DATE-END | 2002-01-30T03:19:39 | Observation end date | 
| RA_PNT | 299.60231796869 | Pointing RA | 
| DEC_PNT | 35.202531006003 | Pointing Dec | 
| ROLL_PNT | 15.235563222379 | Pointing Roll | 
| RA_TARG | 299.590417 | Observer's specified target RA | 
| DEC_TARG | 35.201611 | Observer's specified target Dec | 
| DATAMODE | GRADED | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 153.4460144 | Focal Plane Temperature [K] | 
| FSW_VERS | 30 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.9 | ASCDS version number | 
| DATE | 2006-10-11T20:31:27 | Date and time of file creation | 
| DATE-OBS | 2002-01-30T01:23:31 | Observation start date | 
| DATE-END | 2002-01-30T03:19:39 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-456789 | Detector | 
| GRATING | HETG | Grating | 
| OBJECT | CYG X-1 | Source name | 
| TITLE | PHASE RESOLVED HIGH ENERGY RESOLUTION SPECTROSCOPY OF THE BLACK HOLE X-RAY BAINARY CYGNUS X-1 | Proposal title | 
| OBSERVER | Prof. Shuang Nan Zhang | Principal investigator | 
| OBS_ID | 2742 | Observation id | 
| SEQ_NUM | 400222 | Sequence number | 
| RA_NOM | 299.60231796869 | Nominal RA | 
| DEC_NOM | 35.202531006003 | Nominal Dec | 
| ROLL_NOM | 15.235563222379 | Nominal Roll |