Exposure
- ID
- GRAVI.2024-04-28T06:35:11.581_2
- Header ID
- GRAVI.2024-04-28T06:35:11.581
- Date updated
- 2024-04-28 06:45:28 UTC+0000
- Release date
- 2025-04-28 06:45:28 UTC+0000
- UTC Start
- 2024-04-28 06:35:11.581
- UTC End
- 2024-04-28 06:36:47.581
- MJD Start
- 60428.2744396
- MJD End
- 60428.27555071111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032754999999999998
- Ambient temperature (°C)
- 16.82
- Seeing (arcsec)
- 0.9850000000000001
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 | 55.9280 | 55.9050 | 24.6000 | 24.8000 |
| U1-U3 | 101.5250 | 101.4780 | 30.9000 | 31.1000 |
| U1-U4 | 130.0750 | 130.0390 | 58.6010 | 58.8650 |
| U2-U3 | 46.3510 | 46.3290 | 38.5000 | 38.8000 |
| U2-U4 | 89.3940 | 89.4080 | 79.1020 | 79.3780 |
| U3-U4 | 61.9960 | 62.0430 | 108.1880 | 108.4480 |
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 | 60428.2744396 |
| 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 | 114.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.928 |
| HIERARCH ESO ISS PBL12 END | 55.905 |
| HIERARCH ESO ISS PBLA12 START | 24.6 |
| HIERARCH ESO ISS PBLA12 END | 24.8 |
| HIERARCH ESO ISS PBL13 START | 101.525 |
| HIERARCH ESO ISS PBL13 END | 101.478 |
| HIERARCH ESO ISS PBLA13 START | 30.9 |
| HIERARCH ESO ISS PBLA13 END | 31.1 |
| HIERARCH ESO ISS PBL14 START | 130.075 |
| HIERARCH ESO ISS PBL14 END | 130.039 |
| HIERARCH ESO ISS PBLA14 START | 58.601 |
| HIERARCH ESO ISS PBLA14 END | 58.865 |
| HIERARCH ESO ISS PBL23 START | 46.351 |
| HIERARCH ESO ISS PBL23 END | 46.329 |
| HIERARCH ESO ISS PBLA23 START | 38.5 |
| HIERARCH ESO ISS PBLA23 END | 38.8 |
| HIERARCH ESO ISS PBL24 START | 89.394 |
| HIERARCH ESO ISS PBL24 END | 89.408 |
| HIERARCH ESO ISS PBLA24 START | 79.102 |
| HIERARCH ESO ISS PBLA24 END | 79.378 |
| HIERARCH ESO ISS PBL34 START | 61.996 |
| HIERARCH ESO ISS PBL34 END | 62.043 |
| HIERARCH ESO ISS PBLA34 START | 108.188 |
| HIERARCH ESO ISS PBLA34 END | 108.448 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003315 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003236 |
| HIERARCH ESO ISS AMBI TEMP | 16.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 1.05 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |