Exposure
- ID
- GRAVI.2023-07-07T00:34:05.503_2
- Header ID
- GRAVI.2023-07-07T00:34:05.503
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-07-07 00:40:32 UTC+0000
- UTC Start
- 2023-07-07 00:34:05.503
- UTC End
- 2023-07-07 00:36:05.503
- MJD Start
- 60132.0236748
- MJD End
- 60132.02506368889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003687
- Ambient temperature (°C)
- 10.66
- Seeing (arcsec)
- 0.6799999999999999
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 | 56.4160 | 56.4190 | 5.2000 | 5.6000 |
| U1-U3 | 101.4910 | 101.5140 | 10.4000 | 10.8000 |
| U1-U4 | 119.9350 | 120.2040 | 34.9860 | 35.4850 |
| U2-U3 | 45.5900 | 45.6170 | 16.8000 | 17.2000 |
| U2-U4 | 76.2860 | 76.6460 | 56.5230 | 57.0160 |
| U3-U4 | 50.4650 | 50.8040 | 91.7770 | 92.0800 |
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 | 60132.0236748 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO INS SOBJ NAME | Gaia1731-3046 |
| RA | 262.929849 |
| DEC | -30.77145 |
| 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 | 56.416 |
| HIERARCH ESO ISS PBL12 END | 56.419 |
| HIERARCH ESO ISS PBLA12 START | 5.2 |
| HIERARCH ESO ISS PBLA12 END | 5.6 |
| HIERARCH ESO ISS PBL13 START | 101.491 |
| HIERARCH ESO ISS PBL13 END | 101.514 |
| HIERARCH ESO ISS PBLA13 START | 10.4 |
| HIERARCH ESO ISS PBLA13 END | 10.8 |
| HIERARCH ESO ISS PBL14 START | 119.935 |
| HIERARCH ESO ISS PBL14 END | 120.204 |
| HIERARCH ESO ISS PBLA14 START | 34.986 |
| HIERARCH ESO ISS PBLA14 END | 35.485 |
| HIERARCH ESO ISS PBL23 START | 45.59 |
| HIERARCH ESO ISS PBL23 END | 45.617 |
| HIERARCH ESO ISS PBLA23 START | 16.8 |
| HIERARCH ESO ISS PBLA23 END | 17.2 |
| HIERARCH ESO ISS PBL24 START | 76.286 |
| HIERARCH ESO ISS PBL24 END | 76.646 |
| HIERARCH ESO ISS PBLA24 START | 56.523 |
| HIERARCH ESO ISS PBLA24 END | 57.016 |
| HIERARCH ESO ISS PBL34 START | 50.465 |
| HIERARCH ESO ISS PBL34 END | 50.804 |
| HIERARCH ESO ISS PBLA34 START | 91.777 |
| HIERARCH ESO ISS PBLA34 END | 92.08 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003692 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003682 |
| HIERARCH ESO ISS AMBI TEMP | 10.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |