Exposure
- ID
- GRAVI.2025-11-11T02:56:30.724_2
- Header ID
- GRAVI.2025-11-11T02:56:30.724
- Date updated
- 2025-11-11 03:10:48 UTC+0000
- Release date
- 2026-11-11 03:10:48 UTC+0000
- UTC Start
- 2025-11-11 02:56:30.724
- UTC End
- 2025-11-11 03:01:50.724
- MJD Start
- 60990.12257782
- MJD End
- 60990.126281523706
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00315
- Ambient temperature (°C)
- 14.82
- Seeing (arcsec)
- 0.795
Observation
- ID
- 71438
- Category
- science
- Program ID
- 116.28WY.001
- Program Title
- DANCING WITH THE STARS: DETECTION OF THE HIDDEN TERTIARY BROWN DWARFS IN TWO NEARBY BINARY SYSTEMS
- Program Type
- Normal
- PI / COI
- MATTHEWS / NOWAK / BILLER / CEVA / FORVEILLE / RICKMAN / SÉGRANSAN / UDRY / WINTERHALDER
Target
- ID
- 53052
- Name
- HIP_22059
- RA
- 71.17394166666666
- DEC
- -37.12132388888889
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 | 56.5300 | 56.5280 | 1.4000 | 2.3000 |
| U1-U3 | 102.3470 | 102.3570 | 6.1000 | 7.1000 |
| U1-U4 | 121.9880 | 122.4540 | 28.0370 | 29.3730 |
| U2-U3 | 46.2440 | 46.2720 | 11.9000 | 13.0000 |
| U2-U4 | 75.8490 | 76.6050 | 47.5860 | 49.0280 |
| U3-U4 | 46.8690 | 47.7450 | 82.7700 | 83.8320 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28WY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60990.12257782 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 22059 |
| HIERARCH ESO INS SOBJ NAME | HIP_22059 |
| RA | 71.176916 |
| DEC | -37.12183 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 374.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.53 |
| HIERARCH ESO ISS PBL12 END | 56.528 |
| HIERARCH ESO ISS PBLA12 START | 1.4 |
| HIERARCH ESO ISS PBLA12 END | 2.3 |
| HIERARCH ESO ISS PBL13 START | 102.347 |
| HIERARCH ESO ISS PBL13 END | 102.357 |
| HIERARCH ESO ISS PBLA13 START | 6.1 |
| HIERARCH ESO ISS PBLA13 END | 7.1 |
| HIERARCH ESO ISS PBL14 START | 121.988 |
| HIERARCH ESO ISS PBL14 END | 122.454 |
| HIERARCH ESO ISS PBLA14 START | 28.037 |
| HIERARCH ESO ISS PBLA14 END | 29.373 |
| HIERARCH ESO ISS PBL23 START | 46.244 |
| HIERARCH ESO ISS PBL23 END | 46.272 |
| HIERARCH ESO ISS PBLA23 START | 11.9 |
| HIERARCH ESO ISS PBLA23 END | 13.0 |
| HIERARCH ESO ISS PBL24 START | 75.849 |
| HIERARCH ESO ISS PBL24 END | 76.605 |
| HIERARCH ESO ISS PBLA24 START | 47.586 |
| HIERARCH ESO ISS PBLA24 END | 49.028 |
| HIERARCH ESO ISS PBL34 START | 46.869 |
| HIERARCH ESO ISS PBL34 END | 47.745 |
| HIERARCH ESO ISS PBLA34 START | 82.77 |
| HIERARCH ESO ISS PBLA34 END | 83.832 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003496 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002804 |
| HIERARCH ESO ISS AMBI TEMP | 14.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HIP_22059 |
| HIERARCH ESO FT ROBJ ALPHA | 044441.746 |
| HIERARCH ESO FT ROBJ DELTA | -370716.766 |