Exposure
- ID
- GRAVI.2023-06-05T05:05:39.152_2
- Header ID
- GRAVI.2023-06-05T05:05:39.152
- Date updated
- 2023-06-05 05:21:28 UTC+0000
- Release date
- 2024-06-05 05:21:28 UTC+0000
- UTC Start
- 2023-06-05 05:05:39.152
- UTC End
- 2023-06-05 05:12:19.152
- MJD Start
- 60100.2122587
- MJD End
- 60100.2168883296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0119065
- Ambient temperature (°C)
- 15.84
- Seeing (arcsec)
- 0.7
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 | 51.0810 | 51.3000 | 17.0000 | 17.9000 |
| U1-U3 | 91.4750 | 92.0440 | 23.9000 | 24.8000 |
| U1-U4 | 114.6820 | 116.1930 | 55.5290 | 56.2110 |
| U2-U3 | 41.2250 | 41.5790 | 32.4000 | 33.4000 |
| U2-U4 | 81.2410 | 82.3170 | 78.6070 | 78.9310 |
| U3-U4 | 60.5010 | 60.9240 | 108.0490 | 108.0920 |
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 | 60100.2122587 |
| 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 | 51.081 |
| HIERARCH ESO ISS PBL12 END | 51.3 |
| HIERARCH ESO ISS PBLA12 START | 17.0 |
| HIERARCH ESO ISS PBLA12 END | 17.9 |
| HIERARCH ESO ISS PBL13 START | 91.475 |
| HIERARCH ESO ISS PBL13 END | 92.044 |
| HIERARCH ESO ISS PBLA13 START | 23.9 |
| HIERARCH ESO ISS PBLA13 END | 24.8 |
| HIERARCH ESO ISS PBL14 START | 114.682 |
| HIERARCH ESO ISS PBL14 END | 116.193 |
| HIERARCH ESO ISS PBLA14 START | 55.529 |
| HIERARCH ESO ISS PBLA14 END | 56.211 |
| HIERARCH ESO ISS PBL23 START | 41.225 |
| HIERARCH ESO ISS PBL23 END | 41.579 |
| HIERARCH ESO ISS PBLA23 START | 32.4 |
| HIERARCH ESO ISS PBLA23 END | 33.4 |
| HIERARCH ESO ISS PBL24 START | 81.241 |
| HIERARCH ESO ISS PBL24 END | 82.317 |
| HIERARCH ESO ISS PBLA24 START | 78.607 |
| HIERARCH ESO ISS PBLA24 END | 78.931 |
| HIERARCH ESO ISS PBL34 START | 60.501 |
| HIERARCH ESO ISS PBL34 END | 60.924 |
| HIERARCH ESO ISS PBLA34 START | 108.049 |
| HIERARCH ESO ISS PBLA34 END | 108.092 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013641 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010172 |
| HIERARCH ESO ISS AMBI TEMP | 15.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | S9O8000940 |
| HIERARCH ESO FT ROBJ ALPHA | 184538.183 |
| HIERARCH ESO FT ROBJ DELTA | -054358.836 |