Exposure
- ID
- GRAVI.2024-04-28T06:40:05.594_2
- Header ID
- GRAVI.2024-04-28T06:40:05.594
- Date updated
- 2024-04-28 06:50:38 UTC+0000
- Release date
- 2025-04-28 06:50:38 UTC+0000
- UTC Start
- 2024-04-28 06:40:05.594
- UTC End
- 2024-04-28 06:42:45.594
- MJD Start
- 60428.27784252
- MJD End
- 60428.27969437186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028634999999999997
- Ambient temperature (°C)
- 16.74
- Seeing (arcsec)
- 0.905
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 | 55.8650 | 55.8260 | 25.1000 | 25.5000 |
| U1-U3 | 101.3980 | 101.3180 | 31.5000 | 31.8000 |
| U1-U4 | 129.9720 | 129.8970 | 59.2920 | 59.6970 |
| U2-U3 | 46.2920 | 46.2540 | 39.2000 | 39.5000 |
| U2-U4 | 89.4240 | 89.4290 | 79.8240 | 80.2490 |
| U3-U4 | 62.1140 | 62.1760 | 108.8700 | 109.2740 |
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 | 60428.27784252 |
| 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 | 55.865 |
| HIERARCH ESO ISS PBL12 END | 55.826 |
| HIERARCH ESO ISS PBLA12 START | 25.1 |
| HIERARCH ESO ISS PBLA12 END | 25.5 |
| HIERARCH ESO ISS PBL13 START | 101.398 |
| HIERARCH ESO ISS PBL13 END | 101.318 |
| HIERARCH ESO ISS PBLA13 START | 31.5 |
| HIERARCH ESO ISS PBLA13 END | 31.8 |
| HIERARCH ESO ISS PBL14 START | 129.972 |
| HIERARCH ESO ISS PBL14 END | 129.897 |
| HIERARCH ESO ISS PBLA14 START | 59.292 |
| HIERARCH ESO ISS PBLA14 END | 59.697 |
| HIERARCH ESO ISS PBL23 START | 46.292 |
| HIERARCH ESO ISS PBL23 END | 46.254 |
| HIERARCH ESO ISS PBLA23 START | 39.2 |
| HIERARCH ESO ISS PBLA23 END | 39.5 |
| HIERARCH ESO ISS PBL24 START | 89.424 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 79.824 |
| HIERARCH ESO ISS PBLA24 END | 80.249 |
| HIERARCH ESO ISS PBL34 START | 62.114 |
| HIERARCH ESO ISS PBL34 END | 62.176 |
| HIERARCH ESO ISS PBLA34 START | 108.87 |
| HIERARCH ESO ISS PBLA34 END | 109.274 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002891 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002836 |
| HIERARCH ESO ISS AMBI TEMP | 16.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |