Exposure
- ID
- GRAVI.2023-06-01T03:38:02.991_2
- Header ID
- GRAVI.2023-06-01T03:38:02.991
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-06-01 03:45:52 UTC+0000
- UTC Start
- 2023-06-01 03:38:02.991
- UTC End
- 2023-06-01 03:40:02.991
- MJD Start
- 60096.15142351
- MJD End
- 60096.15281239888
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.026258999999999998
- Ambient temperature (°C)
- 18.01
- Seeing (arcsec)
- 0.385
Observation
- ID
- 55604
- 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
- 41171
- Name
- KMT-2023-BLG-0025
- RA
- 262.9275416666666
- DEC
- -30.771368888888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4930 | 56.4980 | 11.2000 | 11.6000 |
| U1-U3 | 101.9410 | 101.9680 | 16.9000 | 17.3000 |
| U1-U4 | 124.4100 | 124.6550 | 43.0260 | 43.4660 |
| U2-U3 | 46.0660 | 46.0930 | 23.9000 | 24.3000 |
| U2-U4 | 81.9990 | 82.2990 | 64.3190 | 64.7400 |
| U3-U4 | 55.6510 | 55.9130 | 96.8040 | 97.0920 |
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 | 60096.15142351 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO INS SOBJ NAME | empty |
| RA | 262.930114 |
| DEC | -30.7715 |
| 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 | 150.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 120 |
| HIERARCH ESO ISS PBL12 START | 56.493 |
| HIERARCH ESO ISS PBL12 END | 56.498 |
| HIERARCH ESO ISS PBLA12 START | 11.2 |
| HIERARCH ESO ISS PBLA12 END | 11.6 |
| HIERARCH ESO ISS PBL13 START | 101.941 |
| HIERARCH ESO ISS PBL13 END | 101.968 |
| HIERARCH ESO ISS PBLA13 START | 16.9 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 124.41 |
| HIERARCH ESO ISS PBL14 END | 124.655 |
| HIERARCH ESO ISS PBLA14 START | 43.026 |
| HIERARCH ESO ISS PBLA14 END | 43.466 |
| HIERARCH ESO ISS PBL23 START | 46.066 |
| HIERARCH ESO ISS PBL23 END | 46.093 |
| HIERARCH ESO ISS PBLA23 START | 23.9 |
| HIERARCH ESO ISS PBLA23 END | 24.3 |
| HIERARCH ESO ISS PBL24 START | 81.999 |
| HIERARCH ESO ISS PBL24 END | 82.299 |
| HIERARCH ESO ISS PBLA24 START | 64.319 |
| HIERARCH ESO ISS PBLA24 END | 64.74 |
| HIERARCH ESO ISS PBL34 START | 55.651 |
| HIERARCH ESO ISS PBL34 END | 55.913 |
| HIERARCH ESO ISS PBLA34 START | 96.804 |
| HIERARCH ESO ISS PBLA34 END | 97.092 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.02626 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.026258 |
| HIERARCH ESO ISS AMBI TEMP | 18.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |