Exposure
- ID
- GRAVI.2024-04-28T07:09:05.667_2
- Header ID
- GRAVI.2024-04-28T07:09:05.667
- Date updated
- 2024-04-28 07:20:38 UTC+0000
- Release date
- 2025-04-28 07:20:38 UTC+0000
- UTC Start
- 2024-04-28 07:09:05.667
- UTC End
- 2024-04-28 07:11:45.667
- MJD Start
- 60428.29798226
- MJD End
- 60428.29983411186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037765000000000003
- Ambient temperature (°C)
- 16.64
- Seeing (arcsec)
- 0.775
Observation
- ID
- 58988
- Category
- science
- Program ID
- 113.26A2.001
- Program Title
- ORBITAL AND SPECTRAL CHARACTERISATION OF A UNIQUE QUADRUPLE (OR QUINTUPLE?) SYSTEM
- Program Type
- Normal
- PI / COI
- VISWANATH / JANSON / LACOUR / SQUICCIARINI / CHOMEZ / DELORME / RINGQVIST / LAGRANGE / CHAUVIN / VIGAN
Target
- ID
- 43672
- Name
- HIP_81208
- RA
- 248.80766249999996
- DEC
- -35.724645833333334
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 | 55.3950 | 55.3380 | 28.4000 | 28.8000 |
| U1-U3 | 100.4180 | 100.2960 | 34.9000 | 35.2000 |
| U1-U4 | 128.7350 | 128.5470 | 63.2440 | 63.6320 |
| U2-U3 | 45.8020 | 45.7390 | 42.7000 | 43.1000 |
| U2-U4 | 89.0590 | 88.9700 | 84.0430 | 84.4670 |
| U3-U4 | 62.4680 | 62.4710 | 112.9970 | 113.4250 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26A2.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60428.29798226 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP 81208 |
| HIERARCH ESO INS SOBJ NAME | HIP_81208_B |
| RA | 248.810395 |
| DEC | -35.72483 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 55.395 |
| HIERARCH ESO ISS PBL12 END | 55.338 |
| HIERARCH ESO ISS PBLA12 START | 28.4 |
| HIERARCH ESO ISS PBLA12 END | 28.8 |
| HIERARCH ESO ISS PBL13 START | 100.418 |
| HIERARCH ESO ISS PBL13 END | 100.296 |
| HIERARCH ESO ISS PBLA13 START | 34.9 |
| HIERARCH ESO ISS PBLA13 END | 35.2 |
| HIERARCH ESO ISS PBL14 START | 128.735 |
| HIERARCH ESO ISS PBL14 END | 128.547 |
| HIERARCH ESO ISS PBLA14 START | 63.244 |
| HIERARCH ESO ISS PBLA14 END | 63.632 |
| HIERARCH ESO ISS PBL23 START | 45.802 |
| HIERARCH ESO ISS PBL23 END | 45.739 |
| HIERARCH ESO ISS PBLA23 START | 42.7 |
| HIERARCH ESO ISS PBLA23 END | 43.1 |
| HIERARCH ESO ISS PBL24 START | 89.059 |
| HIERARCH ESO ISS PBL24 END | 88.97 |
| HIERARCH ESO ISS PBLA24 START | 84.043 |
| HIERARCH ESO ISS PBLA24 END | 84.467 |
| HIERARCH ESO ISS PBL34 START | 62.468 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 112.997 |
| HIERARCH ESO ISS PBLA34 END | 113.425 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003847 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003706 |
| HIERARCH ESO ISS AMBI TEMP | 16.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |