Exposure
- ID
- GRAVI.2025-11-12T00:59:46.921_2
- Header ID
- GRAVI.2025-11-12T00:59:46.921
- Date updated
- 2025-11-12 01:16:02 UTC+0000
- Release date
- 2026-11-12 01:16:02 UTC+0000
- UTC Start
- 2025-11-12 00:59:46.921
- UTC End
- 2025-11-12 01:04:26.921
- MJD Start
- 60991.04151529
- MJD End
- 60991.044756030744
- Exposure time (s)
- 280.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004261
- Ambient temperature (°C)
- 14.89
- Seeing (arcsec)
- 0.92
Observation
- ID
- 71523
- 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
- 53108
- Name
- HIP_113201
- RA
- 343.86331249999995
- DEC
- -52.30262888888888
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 | 49.7780 | 49.5500 | 35.1000 | 35.8000 |
| U1-U3 | 90.8690 | 90.3980 | 42.2000 | 42.9000 |
| U1-U4 | 122.4910 | 121.8660 | 71.7090 | 72.6910 |
| U2-U3 | 41.9290 | 41.6950 | 50.6000 | 51.4000 |
| U2-U4 | 87.7370 | 87.4760 | 91.5020 | 92.5840 |
| U3-U4 | 62.3940 | 62.4290 | 117.5930 | 118.6510 |
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 | 60991.04151529 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 113201 |
| HIERARCH ESO INS SOBJ NAME | HIP_113201 |
| RA | 343.868493 |
| DEC | -52.30298 |
| 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 | 329.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 28 |
| HIERARCH ESO ISS PBL12 START | 49.778 |
| HIERARCH ESO ISS PBL12 END | 49.55 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 90.869 |
| HIERARCH ESO ISS PBL13 END | 90.398 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.9 |
| HIERARCH ESO ISS PBL14 START | 122.491 |
| HIERARCH ESO ISS PBL14 END | 121.866 |
| HIERARCH ESO ISS PBLA14 START | 71.709 |
| HIERARCH ESO ISS PBLA14 END | 72.691 |
| HIERARCH ESO ISS PBL23 START | 41.929 |
| HIERARCH ESO ISS PBL23 END | 41.695 |
| HIERARCH ESO ISS PBLA23 START | 50.6 |
| HIERARCH ESO ISS PBLA23 END | 51.4 |
| HIERARCH ESO ISS PBL24 START | 87.737 |
| HIERARCH ESO ISS PBL24 END | 87.476 |
| HIERARCH ESO ISS PBLA24 START | 91.502 |
| HIERARCH ESO ISS PBLA24 END | 92.584 |
| HIERARCH ESO ISS PBL34 START | 62.394 |
| HIERARCH ESO ISS PBL34 END | 62.429 |
| HIERARCH ESO ISS PBLA34 START | 117.593 |
| HIERARCH ESO ISS PBLA34 END | 118.651 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004562 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00396 |
| HIERARCH ESO ISS AMBI TEMP | 14.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | HIP_113201 |
| HIERARCH ESO FT ROBJ ALPHA | 225527.195 |
| HIERARCH ESO FT ROBJ DELTA | -521809.464 |