Exposure
- ID
- GRAVI.2023-06-01T03:43:39.005_2
- Header ID
- GRAVI.2023-06-01T03:43:39.005
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-06-01 03:51:19 UTC+0000
- UTC Start
- 2023-06-01 03:43:39.005
- UTC End
- 2023-06-01 03:45:39.005
- MJD Start
- 60096.15531256
- MJD End
- 60096.15670144888
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.026258
- Ambient temperature (°C)
- 17.64
- Seeing (arcsec)
- 0.41
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 | 56.5040 | 56.5090 | 12.0000 | 12.3000 |
| U1-U3 | 102.0020 | 102.0280 | 17.7000 | 18.1000 |
| U1-U4 | 124.9570 | 125.1910 | 44.0130 | 44.4400 |
| U2-U3 | 46.1280 | 46.1540 | 24.8000 | 25.2000 |
| U2-U4 | 82.6680 | 82.9530 | 65.2610 | 65.6670 |
| U3-U4 | 56.2340 | 56.4820 | 97.4520 | 97.7350 |
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 | 60096.15531256 |
| 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 | 56.504 |
| HIERARCH ESO ISS PBL12 END | 56.509 |
| HIERARCH ESO ISS PBLA12 START | 12.0 |
| HIERARCH ESO ISS PBLA12 END | 12.3 |
| HIERARCH ESO ISS PBL13 START | 102.002 |
| HIERARCH ESO ISS PBL13 END | 102.028 |
| HIERARCH ESO ISS PBLA13 START | 17.7 |
| HIERARCH ESO ISS PBLA13 END | 18.1 |
| HIERARCH ESO ISS PBL14 START | 124.957 |
| HIERARCH ESO ISS PBL14 END | 125.191 |
| HIERARCH ESO ISS PBLA14 START | 44.013 |
| HIERARCH ESO ISS PBLA14 END | 44.44 |
| HIERARCH ESO ISS PBL23 START | 46.128 |
| HIERARCH ESO ISS PBL23 END | 46.154 |
| HIERARCH ESO ISS PBLA23 START | 24.8 |
| HIERARCH ESO ISS PBLA23 END | 25.2 |
| HIERARCH ESO ISS PBL24 START | 82.668 |
| HIERARCH ESO ISS PBL24 END | 82.953 |
| HIERARCH ESO ISS PBLA24 START | 65.261 |
| HIERARCH ESO ISS PBLA24 END | 65.667 |
| HIERARCH ESO ISS PBL34 START | 56.234 |
| HIERARCH ESO ISS PBL34 END | 56.482 |
| HIERARCH ESO ISS PBLA34 START | 97.452 |
| HIERARCH ESO ISS PBLA34 END | 97.735 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.026258 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.026258 |
| HIERARCH ESO ISS AMBI TEMP | 17.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |