The target - ArLac - was observed by HRC-S for 1 hour and 23 minutes, ended 34 minutes ago, and is part of the proposal AO-26 June - Monitor the HRC-I and HRC-S PSF and the optical axis. The target - also called V* AR Lac - is located in the constellation Lacerta and is a RS CVn Variable. More information on the target can be found at SIMBAD
. See related observations: 29562, 29563, 29564, 29565, 29566, 29567, 29568, 29569, 29570, 29571, 29572, 29573, 29574, 29575, 29576, 29577, 29578, 29579, 29580, 29581, 29582.
This was a time-critical and monitoring observation.
| Target: | ArLac |
| SIMBAD Type: | RS CVn Variable |
| Observation Details: | 29583 |
| Sequence Summary: | 291815 |
| Proposal Id: | 26200480 |
| Proposal: | Cycle 26, Calibration Observation, STARS AND WD |
| Instrument: | HRC-S |
| Date: | 01:38 Thursday, 17 July 2025 (UTC) |
| Exposure (approved): | 1 hour and 23 minutes |
| Right Ascension: | 22h 08m 40.7s |
| Declination: | +45° 44' 33.3" |
| Roll: | 145° |
| Constellation: | Lacerta |
| Time critical: | Yes |
| Monitor: | Yes |
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