Exposure
- ID
- GRAVI.2023-06-05T04:36:27.077_2
- Header ID
- GRAVI.2023-06-05T04:36:27.077
- Date updated
- 2023-06-05 04:50:34 UTC+0000
- Release date
- 2024-06-05 04:50:34 UTC+0000
- UTC Start
- 2023-06-05 04:36:27.077
- UTC End
- 2023-06-05 04:43:07.077
- MJD Start
- 60100.19198006
- MJD End
- 60100.1966096896
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010182
- Ambient temperature (°C)
- 15.87
- Seeing (arcsec)
- 0.765
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 | 50.2610 | 50.4410 | 12.7000 | 13.8000 |
| U1-U3 | 89.2030 | 89.7250 | 19.5000 | 20.6000 |
| U1-U4 | 107.7470 | 109.4860 | 52.1880 | 53.0630 |
| U2-U3 | 39.7400 | 40.0920 | 28.1000 | 29.2000 |
| U2-U4 | 75.9760 | 77.3440 | 77.0480 | 77.4540 |
| U3-U4 | 58.1790 | 58.8140 | 108.0490 | 108.0210 |
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 | 60100.19198006 |
| 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 | 50.261 |
| HIERARCH ESO ISS PBL12 END | 50.441 |
| HIERARCH ESO ISS PBLA12 START | 12.7 |
| HIERARCH ESO ISS PBLA12 END | 13.8 |
| HIERARCH ESO ISS PBL13 START | 89.203 |
| HIERARCH ESO ISS PBL13 END | 89.725 |
| HIERARCH ESO ISS PBLA13 START | 19.5 |
| HIERARCH ESO ISS PBLA13 END | 20.6 |
| HIERARCH ESO ISS PBL14 START | 107.747 |
| HIERARCH ESO ISS PBL14 END | 109.486 |
| HIERARCH ESO ISS PBLA14 START | 52.188 |
| HIERARCH ESO ISS PBLA14 END | 53.063 |
| HIERARCH ESO ISS PBL23 START | 39.74 |
| HIERARCH ESO ISS PBL23 END | 40.092 |
| HIERARCH ESO ISS PBLA23 START | 28.1 |
| HIERARCH ESO ISS PBLA23 END | 29.2 |
| HIERARCH ESO ISS PBL24 START | 75.976 |
| HIERARCH ESO ISS PBL24 END | 77.344 |
| HIERARCH ESO ISS PBLA24 START | 77.048 |
| HIERARCH ESO ISS PBLA24 END | 77.454 |
| HIERARCH ESO ISS PBL34 START | 58.179 |
| HIERARCH ESO ISS PBL34 END | 58.814 |
| HIERARCH ESO ISS PBLA34 START | 108.049 |
| HIERARCH ESO ISS PBLA34 END | 108.021 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012219 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008145 |
| HIERARCH ESO ISS AMBI TEMP | 15.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | S9O8000940 |
| HIERARCH ESO FT ROBJ ALPHA | 184538.183 |
| HIERARCH ESO FT ROBJ DELTA | -054358.836 |