Exposure
- ID
- GRAVI.2025-11-11T03:45:03.847_2
- Header ID
- GRAVI.2025-11-11T03:45:03.847
- Date updated
- 2025-11-11 03:50:41 UTC+0000
- Release date
- 2026-11-11 03:50:41 UTC+0000
- UTC Start
- 2025-11-11 03:45:03.847
- UTC End
- 2025-11-11 03:45:35.847
- MJD Start
- 60990.15629453
- MJD End
- 60990.15666490037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033865
- Ambient temperature (°C)
- 14.7
- Seeing (arcsec)
- 0.615
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 | 56.4970 | 56.4960 | 8.3000 | 8.5000 |
| U1-U3 | 102.4270 | 102.4280 | 13.7000 | 13.9000 |
| U1-U4 | 125.6720 | 125.7720 | 38.0130 | 38.2780 |
| U2-U3 | 46.4780 | 46.4840 | 20.2000 | 20.4000 |
| U2-U4 | 81.5400 | 81.6880 | 58.0810 | 58.3520 |
| U3-U4 | 53.1510 | 53.3070 | 90.5450 | 90.7500 |
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 | 60990.15629453 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 22059 |
| HIERARCH ESO INS SOBJ NAME | HIP_22059 |
| RA | 71.176906 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.497 |
| HIERARCH ESO ISS PBL12 END | 56.496 |
| HIERARCH ESO ISS PBLA12 START | 8.3 |
| HIERARCH ESO ISS PBLA12 END | 8.5 |
| HIERARCH ESO ISS PBL13 START | 102.427 |
| HIERARCH ESO ISS PBL13 END | 102.428 |
| HIERARCH ESO ISS PBLA13 START | 13.7 |
| HIERARCH ESO ISS PBLA13 END | 13.9 |
| HIERARCH ESO ISS PBL14 START | 125.672 |
| HIERARCH ESO ISS PBL14 END | 125.772 |
| HIERARCH ESO ISS PBLA14 START | 38.013 |
| HIERARCH ESO ISS PBLA14 END | 38.278 |
| HIERARCH ESO ISS PBL23 START | 46.478 |
| HIERARCH ESO ISS PBL23 END | 46.484 |
| HIERARCH ESO ISS PBLA23 START | 20.2 |
| HIERARCH ESO ISS PBLA23 END | 20.4 |
| HIERARCH ESO ISS PBL24 START | 81.54 |
| HIERARCH ESO ISS PBL24 END | 81.688 |
| HIERARCH ESO ISS PBLA24 START | 58.081 |
| HIERARCH ESO ISS PBLA24 END | 58.352 |
| HIERARCH ESO ISS PBL34 START | 53.151 |
| HIERARCH ESO ISS PBL34 END | 53.307 |
| HIERARCH ESO ISS PBLA34 START | 90.545 |
| HIERARCH ESO ISS PBLA34 END | 90.75 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002929 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003844 |
| HIERARCH ESO ISS AMBI TEMP | 14.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | HIP_22059 |
| HIERARCH ESO FT ROBJ ALPHA | 044441.746 |
| HIERARCH ESO FT ROBJ DELTA | -370716.766 |