Exposure
- ID
- GRAVI.2024-04-28T06:53:14.627_2
- Header ID
- GRAVI.2024-04-28T06:53:14.627
- Date updated
- 2024-04-28 07:05:26 UTC+0000
- Release date
- 2025-04-28 07:05:26 UTC+0000
- UTC Start
- 2024-04-28 06:53:14.627
- UTC End
- 2024-04-28 06:55:54.627
- MJD Start
- 60428.28697485
- MJD End
- 60428.28882670186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004330499999999999
- Ambient temperature (°C)
- 16.71
- Seeing (arcsec)
- 0.665
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 | 55.6730 | 55.6270 | 26.7000 | 27.0000 |
| U1-U3 | 101.0040 | 100.9070 | 33.1000 | 33.4000 |
| U1-U4 | 129.5470 | 129.4240 | 61.1130 | 61.5040 |
| U2-U3 | 46.1000 | 46.0520 | 40.8000 | 41.2000 |
| U2-U4 | 89.3740 | 89.3370 | 81.7470 | 82.1650 |
| U3-U4 | 62.3470 | 62.3820 | 110.7210 | 111.1300 |
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 | 60428.28697485 |
| 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 | 55.673 |
| HIERARCH ESO ISS PBL12 END | 55.627 |
| HIERARCH ESO ISS PBLA12 START | 26.7 |
| HIERARCH ESO ISS PBLA12 END | 27.0 |
| HIERARCH ESO ISS PBL13 START | 101.004 |
| HIERARCH ESO ISS PBL13 END | 100.907 |
| HIERARCH ESO ISS PBLA13 START | 33.1 |
| HIERARCH ESO ISS PBLA13 END | 33.4 |
| HIERARCH ESO ISS PBL14 START | 129.547 |
| HIERARCH ESO ISS PBL14 END | 129.424 |
| HIERARCH ESO ISS PBLA14 START | 61.113 |
| HIERARCH ESO ISS PBLA14 END | 61.504 |
| HIERARCH ESO ISS PBL23 START | 46.1 |
| HIERARCH ESO ISS PBL23 END | 46.052 |
| HIERARCH ESO ISS PBLA23 START | 40.8 |
| HIERARCH ESO ISS PBLA23 END | 41.2 |
| HIERARCH ESO ISS PBL24 START | 89.374 |
| HIERARCH ESO ISS PBL24 END | 89.337 |
| HIERARCH ESO ISS PBLA24 START | 81.747 |
| HIERARCH ESO ISS PBLA24 END | 82.165 |
| HIERARCH ESO ISS PBL34 START | 62.347 |
| HIERARCH ESO ISS PBL34 END | 62.382 |
| HIERARCH ESO ISS PBLA34 START | 110.721 |
| HIERARCH ESO ISS PBLA34 END | 111.13 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004153 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004508 |
| HIERARCH ESO ISS AMBI TEMP | 16.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |