Exposure
- ID
- GRAVI.2025-11-11T03:03:03.741_2
- Header ID
- GRAVI.2025-11-11T03:03:03.741
- Date updated
- 2025-11-11 03:20:52 UTC+0000
- Release date
- 2026-11-11 03:20:52 UTC+0000
- UTC Start
- 2025-11-11 03:03:03.741
- UTC End
- 2025-11-11 03:08:23.741
- MJD Start
- 60990.12712663
- MJD End
- 60990.13083033371
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002804
- Ambient temperature (°C)
- 14.74
- Seeing (arcsec)
- 0.81
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 | 56.5280 | 56.5260 | 2.3000 | 3.2000 |
| U1-U3 | 102.3580 | 102.3680 | 7.1000 | 8.1000 |
| U1-U4 | 122.4800 | 122.9520 | 29.4440 | 30.7620 |
| U2-U3 | 46.2730 | 46.3020 | 13.0000 | 14.1000 |
| U2-U4 | 76.6450 | 77.3960 | 49.1050 | 50.5140 |
| U3-U4 | 47.7920 | 48.6470 | 83.8880 | 84.9240 |
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 | 60990.12712663 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 22059 |
| HIERARCH ESO INS SOBJ NAME | HIP_22059 |
| RA | 71.17692 |
| 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 | 56.528 |
| HIERARCH ESO ISS PBL12 END | 56.526 |
| HIERARCH ESO ISS PBLA12 START | 2.3 |
| HIERARCH ESO ISS PBLA12 END | 3.2 |
| HIERARCH ESO ISS PBL13 START | 102.358 |
| HIERARCH ESO ISS PBL13 END | 102.368 |
| HIERARCH ESO ISS PBLA13 START | 7.1 |
| HIERARCH ESO ISS PBLA13 END | 8.1 |
| HIERARCH ESO ISS PBL14 START | 122.48 |
| HIERARCH ESO ISS PBL14 END | 122.952 |
| HIERARCH ESO ISS PBLA14 START | 29.444 |
| HIERARCH ESO ISS PBLA14 END | 30.762 |
| HIERARCH ESO ISS PBL23 START | 46.273 |
| HIERARCH ESO ISS PBL23 END | 46.302 |
| HIERARCH ESO ISS PBLA23 START | 13.0 |
| HIERARCH ESO ISS PBLA23 END | 14.1 |
| HIERARCH ESO ISS PBL24 START | 76.645 |
| HIERARCH ESO ISS PBL24 END | 77.396 |
| HIERARCH ESO ISS PBLA24 START | 49.105 |
| HIERARCH ESO ISS PBLA24 END | 50.514 |
| HIERARCH ESO ISS PBL34 START | 47.792 |
| HIERARCH ESO ISS PBL34 END | 48.647 |
| HIERARCH ESO ISS PBLA34 START | 83.888 |
| HIERARCH ESO ISS PBLA34 END | 84.924 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002804 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002804 |
| HIERARCH ESO ISS AMBI TEMP | 14.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| 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 |