Exposure
- ID
- GRAVI.2023-09-28T23:58:37.982_1
- Header ID
- GRAVI.2023-09-28T23:58:37.982
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-09-29 00:10:36 UTC+0000
- UTC Start
- 2023-09-28 23:58:37.982
- UTC End
- 2023-09-29 00:04:37.982
- MJD Start
- 60215.99905072
- MJD End
- 60216.003217386664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003432
- Ambient temperature (°C)
- 13.25
- Seeing (arcsec)
- 0.93
Observation
- ID
- 57131
- 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
- 42353
- Name
- KB230496
- RA
- 265.767366
- DEC
- -35.25673
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0640 | 51.7530 | 38.1000 | 38.6000 |
| U1-U3 | 93.0420 | 92.3520 | 44.8000 | 45.3000 |
| U1-U4 | 114.5260 | 113.1520 | 75.9610 | 76.6990 |
| U2-U3 | 41.7700 | 41.3910 | 53.1000 | 53.6000 |
| U2-U4 | 80.0560 | 79.1580 | 99.4710 | 100.4910 |
| U3-U4 | 59.4780 | 59.1450 | 130.0110 | 131.1930 |
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 | 60215.99905072 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KB230496 |
| HIERARCH ESO INS SOBJ NAME | KB230496 |
| RA | 265.767366 |
| DEC | -35.25673 |
| 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 | 375.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.064 |
| HIERARCH ESO ISS PBL12 END | 51.753 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.042 |
| HIERARCH ESO ISS PBL13 END | 92.352 |
| HIERARCH ESO ISS PBLA13 START | 44.8 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 114.526 |
| HIERARCH ESO ISS PBL14 END | 113.152 |
| HIERARCH ESO ISS PBLA14 START | 75.961 |
| HIERARCH ESO ISS PBLA14 END | 76.699 |
| HIERARCH ESO ISS PBL23 START | 41.77 |
| HIERARCH ESO ISS PBL23 END | 41.391 |
| HIERARCH ESO ISS PBLA23 START | 53.1 |
| HIERARCH ESO ISS PBLA23 END | 53.6 |
| HIERARCH ESO ISS PBL24 START | 80.056 |
| HIERARCH ESO ISS PBL24 END | 79.158 |
| HIERARCH ESO ISS PBLA24 START | 99.471 |
| HIERARCH ESO ISS PBLA24 END | 100.491 |
| HIERARCH ESO ISS PBL34 START | 59.478 |
| HIERARCH ESO ISS PBL34 END | 59.145 |
| HIERARCH ESO ISS PBLA34 START | 130.011 |
| HIERARCH ESO ISS PBLA34 END | 131.193 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002625 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004239 |
| HIERARCH ESO ISS AMBI TEMP | 13.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.09 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | 2MASS17430426-351519 |
| HIERARCH ESO FT ROBJ ALPHA | 174304.264 |
| HIERARCH ESO FT ROBJ DELTA | -351519.493 |