Exposure
- ID
- GRAVI.2025-11-12T01:11:43.951_2
- Header ID
- GRAVI.2025-11-12T01:11:43.951
- Date updated
- 2025-11-12 01:20:42 UTC+0000
- Release date
- 2026-11-12 01:20:42 UTC+0000
- UTC Start
- 2025-11-12 01:11:43.951
- UTC End
- 2025-11-12 01:12:15.951
- MJD Start
- 60991.04981425
- MJD End
- 60991.05018462037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046555
- Ambient temperature (°C)
- 15.17
- Seeing (arcsec)
- 0.845
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 | 49.2650 | 49.2020 | 36.6000 | 36.8000 |
| U1-U3 | 89.8120 | 89.6830 | 43.8000 | 44.0000 |
| U1-U4 | 121.0790 | 120.9050 | 73.8720 | 74.1260 |
| U2-U3 | 41.4020 | 41.3380 | 52.4000 | 52.6000 |
| U2-U4 | 87.1370 | 87.0610 | 93.8890 | 94.1700 |
| U3-U4 | 62.4570 | 62.4610 | 119.9300 | 120.2050 |
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 | 60991.04981425 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 113201 |
| HIERARCH ESO INS SOBJ NAME | HIP_113201 |
| RA | 343.868499 |
| DEC | -52.303 |
| 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 | 49.265 |
| HIERARCH ESO ISS PBL12 END | 49.202 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 36.8 |
| HIERARCH ESO ISS PBL13 START | 89.812 |
| HIERARCH ESO ISS PBL13 END | 89.683 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 44.0 |
| HIERARCH ESO ISS PBL14 START | 121.079 |
| HIERARCH ESO ISS PBL14 END | 120.905 |
| HIERARCH ESO ISS PBLA14 START | 73.872 |
| HIERARCH ESO ISS PBLA14 END | 74.126 |
| HIERARCH ESO ISS PBL23 START | 41.402 |
| HIERARCH ESO ISS PBL23 END | 41.338 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 87.137 |
| HIERARCH ESO ISS PBL24 END | 87.061 |
| HIERARCH ESO ISS PBLA24 START | 93.889 |
| HIERARCH ESO ISS PBLA24 END | 94.17 |
| HIERARCH ESO ISS PBL34 START | 62.457 |
| HIERARCH ESO ISS PBL34 END | 62.461 |
| HIERARCH ESO ISS PBLA34 START | 119.93 |
| HIERARCH ESO ISS PBLA34 END | 120.205 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004615 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004696 |
| HIERARCH ESO ISS AMBI TEMP | 15.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | HIP_113201 |
| HIERARCH ESO FT ROBJ ALPHA | 225527.195 |
| HIERARCH ESO FT ROBJ DELTA | -521809.464 |