The target - H1821+643 - is being observed by ACIS-S for 13 hours and 53 minutes. The observation started 8 hours ago and ends in 6 hours, and is part of the proposal Compton cooling of the hot cluster atmosphere beneath the low-redshift quasar H1821+643. The target - also called 2XMMi J182157.2+642036 - is located in the constellation Draco and is a Seyfert 1 Galaxy. The source is so bright in X-rays that only one-eigth of the chip is used for the observation. More information on the target can be found at SIMBAD
. See related observation: 22105.
| Target: | H1821+643 |
| SIMBAD Type: | Seyfert 1 Galaxy |
| Observation Details: | 22106 |
| Sequence Summary: | 801839 |
| Proposal Id: | 20800481 |
| Proposal: | Cycle 20, General Observer, CLUSTERS OF GALAXIES |
| Instrument: | ACIS-S |
| Chips: | ACIS-7 |
| Sub Array: | Start: 449 Rows: 128 |
| Data Mode: | VFAINT |
| Date: | 12:41 Wednesday, 23 October 2019 (UTC) |
| Exposure (approved): | 50.0 ks |
| Right Ascension: | 18h 21m 57.2s |
| Declination: | +64° 20' 36.1" |
| Roll: | 305° |
| Constellation: | Draco |
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