The target - Cassiopeia A - is being observed by ACIS-S for 8 hours and 20 minutes. The observation started 8 hours ago and ends in 18 minutes, and is part of the proposal Legacy X-ray Observations of Cas A. The target is located in the constellation Cassiopeia and is a SuperNova Remnant. More information on the target can be found at SIMBAD
.
This is a joint observation with X-ray Multi Mirror Mission (XMM-Newton) (for 2 days and 7 hours). However, it does not necessarily mean that the observations will be done at the same time!
| Target: | Cassiopeia A |
| SIMBAD Type: | SuperNova Remnant |
| Observation Details: | 31579 |
| Sequence Summary: | 503602 |
| Proposal Id: | 27500044 |
| Proposal: | Cycle 27, General Observer, SN, SNR AND ISOLATED NS |
| Instrument: | ACIS-S |
| Chips: | ACIS-67 |
| Data Mode: | FAINT |
| Date: | 08:24 Sunday, 8 November 2026 (UTC) |
| Exposure (approved): | 8 hours and 20 minutes |
| Right Ascension: | 23h 23m 28.2s |
| Declination: | +58° 49' 13.1" |
| Roll: | 248° |
| Constellation: | Cassiopeia |
| Joint with: | X-ray Multi Mirror Mission (XMM-Newton) for 2 days and 7 hours |
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