Page created: Wednesday, 27 May 2026 17:31:30 UTC
The target - PG 1553+113 - is being observed by ACIS-I for 8 hours and 20 minutes. The observation started 4 hours ago and ends in 5 hours, and is part of the proposal Identifying the Hosts of Hot Gas Absorption. The target - also called QSO B1553+113 - is located in the constellation Serpens and is a BL Lac. More information on the target can be found at SIMBAD
. See related observations: PG 1553+113 (29897, 30718, 30719, 30435, 32344); Ton S180 (29898).
| Target: | PG 1553+113 |
| SIMBAD Type: | BL Lac |
| Observation Details: | 30437 |
| Sequence Summary: | 901871 |
| Proposal Id: | 26900274 |
| Proposal: | Cycle 26, General Observer, EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS |
| Instrument: | ACIS-I |
| Chips: | ACIS-012367 |
| Data Mode: | FAINT |
| Date: | 13:51 Wednesday, 27 May 2026 (UTC) |
| Exposure (approved): | 8 hours and 20 minutes |
| Right Ascension: | 15h 55m 43.0s |
| Declination: | +11° 11' 24.4" |
| Roll: | 189° |
| Constellation: | Serpens |
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