Exposure
- ID
- GRAVI.2023-07-31T01:21:43.555_1
- Header ID
- GRAVI.2023-07-31T01:21:43.555
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-07-31 01:30:26 UTC+0000
- UTC Start
- 2023-07-31 01:21:43.555
- UTC End
- 2023-07-31 01:23:43.555
- MJD Start
- 60156.05675411
- MJD End
- 60156.05814299889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005535
- Ambient temperature (°C)
- 17.98
- Seeing (arcsec)
- 0.635
Observation
- ID
- 56477
- Category
- science
- Program ID
- 108.220D.004
- Program Title
- TOWARDS DETECTION OF SINGLE BLACK HOLES BY MICROLENSING AND INTERFEROMETRY
- Program Type
- Monitoring
- PI / COI
- MÉRAND / DONG / GOULD / WOILLEZ / UDALSKI / MROZ
Target
- ID
- 41853
- Name
- KB230686
- RA
- 263.843946
- DEC
- -34.10903
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1960 | 56.1750 | 23.7000 | 23.9000 |
| U1-U3 | 101.9600 | 101.9190 | 30.0000 | 30.2000 |
| U1-U4 | 130.2040 | 130.1920 | 57.6040 | 57.9200 |
| U2-U3 | 46.5140 | 46.4960 | 37.6000 | 37.9000 |
| U2-U4 | 89.2810 | 89.3200 | 78.1810 | 78.5060 |
| U3-U4 | 61.8790 | 61.9450 | 107.4720 | 107.7720 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.220D.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60156.05675411 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KB230686 |
| HIERARCH ESO INS SOBJ NAME | KB230686 |
| RA | 263.843946 |
| DEC | -34.10903 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 139.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 40 |
| HIERARCH ESO ISS PBL12 START | 56.196 |
| HIERARCH ESO ISS PBL12 END | 56.175 |
| HIERARCH ESO ISS PBLA12 START | 23.7 |
| HIERARCH ESO ISS PBLA12 END | 23.9 |
| HIERARCH ESO ISS PBL13 START | 101.96 |
| HIERARCH ESO ISS PBL13 END | 101.919 |
| HIERARCH ESO ISS PBLA13 START | 30.0 |
| HIERARCH ESO ISS PBLA13 END | 30.2 |
| HIERARCH ESO ISS PBL14 START | 130.204 |
| HIERARCH ESO ISS PBL14 END | 130.192 |
| HIERARCH ESO ISS PBLA14 START | 57.604 |
| HIERARCH ESO ISS PBLA14 END | 57.92 |
| HIERARCH ESO ISS PBL23 START | 46.514 |
| HIERARCH ESO ISS PBL23 END | 46.496 |
| HIERARCH ESO ISS PBLA23 START | 37.6 |
| HIERARCH ESO ISS PBLA23 END | 37.9 |
| HIERARCH ESO ISS PBL24 START | 89.281 |
| HIERARCH ESO ISS PBL24 END | 89.32 |
| HIERARCH ESO ISS PBLA24 START | 78.181 |
| HIERARCH ESO ISS PBLA24 END | 78.506 |
| HIERARCH ESO ISS PBL34 START | 61.879 |
| HIERARCH ESO ISS PBL34 END | 61.945 |
| HIERARCH ESO ISS PBLA34 START | 107.472 |
| HIERARCH ESO ISS PBLA34 END | 107.772 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005633 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005437 |
| HIERARCH ESO ISS AMBI TEMP | 17.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_17352281-34063 |
| HIERARCH ESO FT ROBJ ALPHA | 173522.819 |
| HIERARCH ESO FT ROBJ DELTA | -340630.605 |