Exposure
- ID
- GRAVI.2023-06-01T03:26:38.962_2
- Header ID
- GRAVI.2023-06-01T03:26:38.962
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-06-01 03:36:50 UTC+0000
- UTC Start
- 2023-06-01 03:26:38.962
- UTC End
- 2023-06-01 03:28:38.962
- MJD Start
- 60096.14350651
- MJD End
- 60096.14489539889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.021920000000000002
- Ambient temperature (°C)
- 18.09
- Seeing (arcsec)
- 0.38
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 | 56.4700 | 56.4750 | 9.6000 | 10.0000 |
| U1-U3 | 101.8150 | 101.8420 | 15.2000 | 15.6000 |
| U1-U4 | 123.2610 | 123.5150 | 40.9770 | 41.4280 |
| U2-U3 | 45.9380 | 45.9660 | 22.0000 | 22.4000 |
| U2-U4 | 80.5780 | 80.8940 | 62.3570 | 62.7900 |
| U3-U4 | 54.3950 | 54.6760 | 95.4870 | 95.7740 |
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 | 60096.14350651 |
| 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 | 56.47 |
| HIERARCH ESO ISS PBL12 END | 56.475 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 10.0 |
| HIERARCH ESO ISS PBL13 START | 101.815 |
| HIERARCH ESO ISS PBL13 END | 101.842 |
| HIERARCH ESO ISS PBLA13 START | 15.2 |
| HIERARCH ESO ISS PBLA13 END | 15.6 |
| HIERARCH ESO ISS PBL14 START | 123.261 |
| HIERARCH ESO ISS PBL14 END | 123.515 |
| HIERARCH ESO ISS PBLA14 START | 40.977 |
| HIERARCH ESO ISS PBLA14 END | 41.428 |
| HIERARCH ESO ISS PBL23 START | 45.938 |
| HIERARCH ESO ISS PBL23 END | 45.966 |
| HIERARCH ESO ISS PBLA23 START | 22.0 |
| HIERARCH ESO ISS PBLA23 END | 22.4 |
| HIERARCH ESO ISS PBL24 START | 80.578 |
| HIERARCH ESO ISS PBL24 END | 80.894 |
| HIERARCH ESO ISS PBLA24 START | 62.357 |
| HIERARCH ESO ISS PBLA24 END | 62.79 |
| HIERARCH ESO ISS PBL34 START | 54.395 |
| HIERARCH ESO ISS PBL34 END | 54.676 |
| HIERARCH ESO ISS PBLA34 START | 95.487 |
| HIERARCH ESO ISS PBLA34 END | 95.774 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.022574 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.021266 |
| HIERARCH ESO ISS AMBI TEMP | 18.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |