| Chandra X-ray Center | 	PI: Dr. Christopher Mauche  | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-03-31T23:05:20 | Date and time of file creation | 
| DATE-OBS | 2005-10-09T06:27:27 | Observation start date | 
| DATE-END | 2005-10-09T11:22:53 | Observation end date | 
| RA_PNT | 31.723489333759 | Pointing RA | 
| DEC_PNT | 15.294642776951 | Pointing Dec | 
| ROLL_PNT | 115.65603761275 | Pointing Roll | 
| RA_TARG | 31.72125 | Observer's specified target RA | 
| DEC_TARG | 15.295278 | Observer's specified target Dec | 
| DATAMODE | FAINT | Data mode | 
| READMODE | TIMED | Read mode | 
| FP_TEMP | 155.05870056 | Focal Plane Temperature [K] | 
| FSW_VERS | 31 | ACIS flight software version number | 
| Parameter | Value | Description | 
|---|---|---|
| ASCDSVER | 7.6.7.1 | ASCDS version number | 
| DATE | 2006-04-01T00:11:35 | Date and time of file creation | 
| DATE-OBS | 2005-10-09T06:27:27 | Observation start date | 
| DATE-END | 2005-10-09T11:22:53 | Observation end date | 
| INSTRUME | ACIS | Instrument | 
| DETNAM | ACIS-456789 | Detector | 
| GRATING | HETG | Grating | 
| OBJECT | TT Ari | Source name | 
| TITLE | Chandra HETG Spectroscopy of the VY Sculptoris Star TT Ari | Proposa | 
| OBSERVER | Dr. Christopher Mauche | Principal investigator | 
| OBS_ID | 7175 | Observation id | 
| SEQ_NUM | 300148 | Sequence number | 
| RA_NOM | 31.723489333759 | Nominal RA | 
| DEC_NOM | 15.294642776951 | Nominal Dec | 
| ROLL_NOM | 115.65603761275 | Nominal Roll |