The SRG attitude file for eRASS1 gives the viewing direction in R.A. and DEC, and the roll angle of SRG from 2019-12-11 21:30:00.61 UTC to 2020-06-11 10:59:59.68 UTC. It can be downloaded here. A README file can also be downloaded.
The attitude data are contained in the FITS extension INTATT.
Description of table columns:
| Name | Type | Unit | Description |
|---|---|---|---|
| TIME | double | s | SRG/eROSITA spacecraft time |
| RA | double | deg | right ascension |
| DEC | double | deg | declination |
| ROLL | double | deg | roll angle |