Exposure
- ID
- GRAVI.2023-05-23T08:26:45.518_2
- Header ID
- GRAVI.2023-05-23T08:26:45.518
- Date updated
- 2023-05-23 08:40:49 UTC+0000
- Release date
- 2024-05-23 08:40:49 UTC+0000
- UTC Start
- 2023-05-23 08:26:45.518
- UTC End
- 2023-05-23 08:33:25.518
- MJD Start
- 60087.35191572
- MJD End
- 60087.3565453496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007031
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.44
Observation
- ID
- 55545
- Category
- science
- Program ID
- 108.220D.008
- 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
- 41141
- Name
- S8DR150888
- RA
- 268.161645833333
- DEC
- -30.1071927777778
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 86.0730 | 85.5200 | 132.3000 | 133.5000 |
| A0-J2 | 118.1830 | 116.8480 | 108.2000 | 109.3000 |
| A0-K0 | 115.2480 | 113.7550 | 84.2910 | 85.0940 |
| G1-J2 | 52.9080 | 52.3060 | 66.7000 | 67.3000 |
| G1-K0 | 86.1460 | 85.7030 | 36.3270 | 36.8010 |
| J2-K0 | 48.5330 | 48.5280 | 2.8800 | 3.6470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.220D.008 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60087.35191572 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | OGLE-2023-BLG-0004 |
| HIERARCH ESO INS SOBJ NAME | OGLE-2023-BLG-0004 |
| RA | 268.16015 |
| DEC | -30.10633 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 86.073 |
| HIERARCH ESO ISS PBL12 END | 85.52 |
| HIERARCH ESO ISS PBLA12 START | 132.3 |
| HIERARCH ESO ISS PBLA12 END | 133.5 |
| HIERARCH ESO ISS PBL13 START | 118.183 |
| HIERARCH ESO ISS PBL13 END | 116.848 |
| HIERARCH ESO ISS PBLA13 START | 108.2 |
| HIERARCH ESO ISS PBLA13 END | 109.3 |
| HIERARCH ESO ISS PBL14 START | 115.248 |
| HIERARCH ESO ISS PBL14 END | 113.755 |
| HIERARCH ESO ISS PBLA14 START | 84.291 |
| HIERARCH ESO ISS PBLA14 END | 85.094 |
| HIERARCH ESO ISS PBL23 START | 52.908 |
| HIERARCH ESO ISS PBL23 END | 52.306 |
| HIERARCH ESO ISS PBLA23 START | 66.7 |
| HIERARCH ESO ISS PBLA23 END | 67.3 |
| HIERARCH ESO ISS PBL24 START | 86.146 |
| HIERARCH ESO ISS PBL24 END | 85.703 |
| HIERARCH ESO ISS PBLA24 START | 36.327 |
| HIERARCH ESO ISS PBLA24 END | 36.801 |
| HIERARCH ESO ISS PBL34 START | 48.533 |
| HIERARCH ESO ISS PBL34 END | 48.528 |
| HIERARCH ESO ISS PBLA34 START | 2.88 |
| HIERARCH ESO ISS PBLA34 END | 3.647 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008123 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005939 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | S8DR150888 |
| HIERARCH ESO FT ROBJ ALPHA | 175238.795 |
| HIERARCH ESO FT ROBJ DELTA | -300625.894 |