| Chandra X-ray Center | 	PI: Dr. CXC Calibration  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.2 | Processing system revision | 
| DATE | 2006-06-04T06:49:05 | Date and time of file creation | 
| DATE-OBS | 2004-02-02T12:48:11 | Observation start date | 
| DATE-END | 2004-02-02T13:51:42 | Observation end date | 
| RA_PNT | 88.938796400953 | Pointing RA | 
| DEC_PNT | 7.0976948445599 | Pointing Dec | 
| ROLL_PNT | 286.71274060079 | Pointing Roll | 
| RA_TARG | 88.792917 | Observer's specified target RA | 
| DEC_TARG | 7.407056 | Observer's specified target Dec | 
| DEGAP | hrcsD1999-07-22gaplookupN0002.fits | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.2 | Processing system revision | 
| DATE | 2006-06-04T07:20:18 | Date and time of file creation | 
| DATE-OBS | 2004-02-02T12:48:11 | Observation start date | 
| DATE-END | 2004-02-02T13:51:42 | Observation end date | 
| INSTRUME | HRC | Instrument | 
| DETNAM | HRC-S | Detector | 
| GRATING | NONE | Grating | 
| OBJECT | Betelgeuse | Source name | 
| TITLE | AO5 Measurements of the optical/UV Transmission of the HRC and ACIS Filters. | Proposal title | 
| OBSERVER | Dr. CXC Calibration | Principal investigator | 
| OBS_ID | 5059 | Observation id | 
| SEQ_NUM | 290332 | Sequence number | 
| RA_NOM | 88.938796400953 | Nominal RA | 
| DEC_NOM | 7.0976948445599 | Nominal Dec | 
| ROLL_NOM | 286.71274060079 | Nominal Roll |