Exposure
- ID
- GRAVI.2023-06-01T03:29:23.969_2
- Header ID
- GRAVI.2023-06-01T03:29:23.969
- 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 03:29:23.969
- UTC End
- 2023-06-01 03:31:23.969
- MJD Start
- 60096.14541631
- MJD End
- 60096.146805198885
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.020227500000000002
- Ambient temperature (°C)
- 18.15
- Seeing (arcsec)
- 0.365
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 | 56.4760 | 56.4810 | 10.0000 | 10.4000 |
| U1-U3 | 101.8450 | 101.8730 | 15.6000 | 16.0000 |
| U1-U4 | 123.5390 | 123.7930 | 41.4700 | 41.9240 |
| U2-U3 | 45.9680 | 45.9970 | 22.5000 | 22.9000 |
| U2-U4 | 80.9240 | 81.2400 | 62.8310 | 63.2650 |
| U3-U4 | 54.7030 | 54.9820 | 95.8010 | 96.0920 |
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 | 60096.14541631 |
| 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 | 56.476 |
| HIERARCH ESO ISS PBL12 END | 56.481 |
| HIERARCH ESO ISS PBLA12 START | 10.0 |
| HIERARCH ESO ISS PBLA12 END | 10.4 |
| HIERARCH ESO ISS PBL13 START | 101.845 |
| HIERARCH ESO ISS PBL13 END | 101.873 |
| HIERARCH ESO ISS PBLA13 START | 15.6 |
| HIERARCH ESO ISS PBLA13 END | 16.0 |
| HIERARCH ESO ISS PBL14 START | 123.539 |
| HIERARCH ESO ISS PBL14 END | 123.793 |
| HIERARCH ESO ISS PBLA14 START | 41.47 |
| HIERARCH ESO ISS PBLA14 END | 41.924 |
| HIERARCH ESO ISS PBL23 START | 45.968 |
| HIERARCH ESO ISS PBL23 END | 45.997 |
| HIERARCH ESO ISS PBLA23 START | 22.5 |
| HIERARCH ESO ISS PBLA23 END | 22.9 |
| HIERARCH ESO ISS PBL24 START | 80.924 |
| HIERARCH ESO ISS PBL24 END | 81.24 |
| HIERARCH ESO ISS PBLA24 START | 62.831 |
| HIERARCH ESO ISS PBLA24 END | 63.265 |
| HIERARCH ESO ISS PBL34 START | 54.703 |
| HIERARCH ESO ISS PBL34 END | 54.982 |
| HIERARCH ESO ISS PBLA34 START | 95.801 |
| HIERARCH ESO ISS PBLA34 END | 96.092 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.021266 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.019189 |
| HIERARCH ESO ISS AMBI TEMP | 18.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |
| HIERARCH ESO FT ROBJ NAME | KMT-2023-BLG-0025 |
| HIERARCH ESO FT ROBJ ALPHA | 173142.610 |
| HIERARCH ESO FT ROBJ DELTA | -304616.928 |