Exposure
- ID
- GRAVI.2023-06-01T03:32:11.977_2
- Header ID
- GRAVI.2023-06-01T03:32:11.977
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-06-01 03:41:13 UTC+0000
- UTC Start
- 2023-06-01 03:32:11.977
- UTC End
- 2023-06-01 03:34:11.977
- MJD Start
- 60096.14736084
- MJD End
- 60096.14874972888
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.018104000000000002
- Ambient temperature (°C)
- 18.16
- Seeing (arcsec)
- 0.435
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 | 56.4810 | 56.4860 | 10.4000 | 10.8000 |
| U1-U3 | 101.8760 | 101.9040 | 16.0000 | 16.4000 |
| U1-U4 | 123.8270 | 124.0760 | 41.9840 | 42.4270 |
| U2-U3 | 46.0000 | 46.0280 | 22.9000 | 23.3000 |
| U2-U4 | 81.2820 | 81.5880 | 63.3230 | 63.7470 |
| U3-U4 | 55.0190 | 55.2900 | 96.1300 | 96.4160 |
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 | 60096.14736084 |
| 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 | 56.481 |
| HIERARCH ESO ISS PBL12 END | 56.486 |
| HIERARCH ESO ISS PBLA12 START | 10.4 |
| HIERARCH ESO ISS PBLA12 END | 10.8 |
| HIERARCH ESO ISS PBL13 START | 101.876 |
| HIERARCH ESO ISS PBL13 END | 101.904 |
| HIERARCH ESO ISS PBLA13 START | 16.0 |
| HIERARCH ESO ISS PBLA13 END | 16.4 |
| HIERARCH ESO ISS PBL14 START | 123.827 |
| HIERARCH ESO ISS PBL14 END | 124.076 |
| HIERARCH ESO ISS PBLA14 START | 41.984 |
| HIERARCH ESO ISS PBLA14 END | 42.427 |
| HIERARCH ESO ISS PBL23 START | 46.0 |
| HIERARCH ESO ISS PBL23 END | 46.028 |
| HIERARCH ESO ISS PBLA23 START | 22.9 |
| HIERARCH ESO ISS PBLA23 END | 23.3 |
| HIERARCH ESO ISS PBL24 START | 81.282 |
| HIERARCH ESO ISS PBL24 END | 81.588 |
| HIERARCH ESO ISS PBLA24 START | 63.323 |
| HIERARCH ESO ISS PBLA24 END | 63.747 |
| HIERARCH ESO ISS PBL34 START | 55.019 |
| HIERARCH ESO ISS PBL34 END | 55.29 |
| HIERARCH ESO ISS PBLA34 START | 96.13 |
| HIERARCH ESO ISS PBLA34 END | 96.416 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.017478 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01873 |
| HIERARCH ESO ISS AMBI TEMP | 18.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |