Exposure
- ID
- GRAVI.2023-06-05T04:50:54.114_2
- Header ID
- GRAVI.2023-06-05T04:50:54.114
- Date updated
- 2023-06-05 05:06:17 UTC+0000
- Release date
- 2024-06-05 05:06:16 UTC+0000
- UTC Start
- 2023-06-05 04:50:54.114
- UTC End
- 2023-06-05 04:57:34.114
- MJD Start
- 60100.20201521
- MJD End
- 60100.2066448396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010983
- Ambient temperature (°C)
- 16.12
- Seeing (arcsec)
- 0.69
Observation
- ID
- 55662
- 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
- 41139
- Name
- S9O8000940
- RA
- 281.409095833333
- DEC
- -5.73301
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 | 50.6460 | 50.8470 | 14.9000 | 15.9000 |
| U1-U3 | 90.3010 | 90.8500 | 21.7000 | 22.8000 |
| U1-U4 | 111.2970 | 112.9280 | 53.9460 | 54.7190 |
| U2-U3 | 40.4730 | 40.8290 | 30.3000 | 31.4000 |
| U2-U4 | 78.7360 | 79.9590 | 77.8650 | 78.2260 |
| U3-U4 | 59.4400 | 59.9690 | 108.0110 | 108.0200 |
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 | 60100.20201521 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | Gaia23bkf |
| HIERARCH ESO INS SOBJ NAME | Gaia23bkf |
| RA | 281.410141 |
| DEC | -5.73066 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 50.646 |
| HIERARCH ESO ISS PBL12 END | 50.847 |
| HIERARCH ESO ISS PBLA12 START | 14.9 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 90.301 |
| HIERARCH ESO ISS PBL13 END | 90.85 |
| HIERARCH ESO ISS PBLA13 START | 21.7 |
| HIERARCH ESO ISS PBLA13 END | 22.8 |
| HIERARCH ESO ISS PBL14 START | 111.297 |
| HIERARCH ESO ISS PBL14 END | 112.928 |
| HIERARCH ESO ISS PBLA14 START | 53.946 |
| HIERARCH ESO ISS PBLA14 END | 54.719 |
| HIERARCH ESO ISS PBL23 START | 40.473 |
| HIERARCH ESO ISS PBL23 END | 40.829 |
| HIERARCH ESO ISS PBLA23 START | 30.3 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 78.736 |
| HIERARCH ESO ISS PBL24 END | 79.959 |
| HIERARCH ESO ISS PBLA24 START | 77.865 |
| HIERARCH ESO ISS PBLA24 END | 78.226 |
| HIERARCH ESO ISS PBL34 START | 59.44 |
| HIERARCH ESO ISS PBL34 END | 59.969 |
| HIERARCH ESO ISS PBLA34 START | 108.011 |
| HIERARCH ESO ISS PBLA34 END | 108.02 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011137 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010829 |
| HIERARCH ESO ISS AMBI TEMP | 16.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | S9O8000940 |
| HIERARCH ESO FT ROBJ ALPHA | 184538.183 |
| HIERARCH ESO FT ROBJ DELTA | -054358.836 |