Page created: Saturday, 19 Sep 2026 08:09:04 UTC
The target - SN2026sqf - was observed by ACIS-S for 2 hours and 46 minutes, ended 46 minutes ago, and is part of the proposal First Early-Epoch X-ray Observation of a Type Ia-CSM Supernova with a Directly Imaged Progenitor System. The target is located in the constellation Ursa Major. See related observation: 33233.
This was a time-critical and monitoring observation.
This was an observation from a TOO (target of opportunity) proposal.
| Target: | SN2026sqf |
| Observation Details: | 32536 |
| Sequence Summary: | 503713 |
| Proposal Id: | 27509122 |
| Proposal: | Cycle 27, Director's Discretionary Time, SN, SNR AND ISOLATED NS |
| Turnaround time: | Immediate |
| Instrument: | ACIS-S |
| Chips: | ACIS-67 |
| Data Mode: | FAINT |
| Date: | 04:36 Saturday, 19 September 2026 (UTC) |
| Exposure (approved): | 2 hours and 46 minutes |
| Right Ascension: | 10h 38m 48.0s |
| Declination: | +53° 30' 34.1" |
| Roll: | 21° |
| Constellation: | Ursa Major |
| Time critical: | Yes |
| Monitor: | Yes |
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