Exposure
- ID
- GRAVI.2023-07-07T00:45:35.532_2
- Header ID
- GRAVI.2023-07-07T00:45:35.532
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-07-07 00:55:37 UTC+0000
- UTC Start
- 2023-07-07 00:45:35.532
- UTC End
- 2023-07-07 00:47:35.532
- MJD Start
- 60132.03166125
- MJD End
- 60132.03305013889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0038104999999999997
- Ambient temperature (°C)
- 10.62
- Seeing (arcsec)
- 0.74
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 | 56.4340 | 56.4380 | 6.9000 | 7.2000 |
| U1-U3 | 101.6040 | 101.6300 | 12.2000 | 12.6000 |
| U1-U4 | 121.1840 | 121.4550 | 37.2710 | 37.7580 |
| U2-U3 | 45.7160 | 45.7440 | 18.8000 | 19.2000 |
| U2-U4 | 77.9340 | 78.2850 | 58.7700 | 59.2450 |
| U3-U4 | 52.0020 | 52.3250 | 93.1740 | 93.4740 |
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 | 60132.03166125 |
| 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 | 56.434 |
| HIERARCH ESO ISS PBL12 END | 56.438 |
| HIERARCH ESO ISS PBLA12 START | 6.9 |
| HIERARCH ESO ISS PBLA12 END | 7.2 |
| HIERARCH ESO ISS PBL13 START | 101.604 |
| HIERARCH ESO ISS PBL13 END | 101.63 |
| HIERARCH ESO ISS PBLA13 START | 12.2 |
| HIERARCH ESO ISS PBLA13 END | 12.6 |
| HIERARCH ESO ISS PBL14 START | 121.184 |
| HIERARCH ESO ISS PBL14 END | 121.455 |
| HIERARCH ESO ISS PBLA14 START | 37.271 |
| HIERARCH ESO ISS PBLA14 END | 37.758 |
| HIERARCH ESO ISS PBL23 START | 45.716 |
| HIERARCH ESO ISS PBL23 END | 45.744 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.2 |
| HIERARCH ESO ISS PBL24 START | 77.934 |
| HIERARCH ESO ISS PBL24 END | 78.285 |
| HIERARCH ESO ISS PBLA24 START | 58.77 |
| HIERARCH ESO ISS PBLA24 END | 59.245 |
| HIERARCH ESO ISS PBL34 START | 52.002 |
| HIERARCH ESO ISS PBL34 END | 52.325 |
| HIERARCH ESO ISS PBLA34 START | 93.174 |
| HIERARCH ESO ISS PBLA34 END | 93.474 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003598 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004023 |
| HIERARCH ESO ISS AMBI TEMP | 10.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |