Exposure
- ID
- GRAVI.2024-04-28T06:59:11.642_2
- Header ID
- GRAVI.2024-04-28T06:59:11.642
- Date updated
- 2024-04-28 07:10:39 UTC+0000
- Release date
- 2025-04-28 07:10:39 UTC+0000
- UTC Start
- 2024-04-28 06:59:11.642
- UTC End
- 2024-04-28 07:01:51.642
- MJD Start
- 60428.29110697
- MJD End
- 60428.292958821854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003887
- Ambient temperature (°C)
- 16.79
- Seeing (arcsec)
- 0.76
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 | 55.5750 | 55.5250 | 27.3000 | 27.7000 |
| U1-U3 | 100.7980 | 100.6930 | 33.8000 | 34.1000 |
| U1-U4 | 129.2800 | 129.1350 | 61.9230 | 62.3100 |
| U2-U3 | 45.9970 | 45.9430 | 41.5000 | 41.9000 |
| U2-U4 | 89.2880 | 89.2320 | 82.6140 | 83.0300 |
| U3-U4 | 62.4130 | 62.4360 | 111.5720 | 111.9840 |
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 | 60428.29110697 |
| 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 | 55.575 |
| HIERARCH ESO ISS PBL12 END | 55.525 |
| HIERARCH ESO ISS PBLA12 START | 27.3 |
| HIERARCH ESO ISS PBLA12 END | 27.7 |
| HIERARCH ESO ISS PBL13 START | 100.798 |
| HIERARCH ESO ISS PBL13 END | 100.693 |
| HIERARCH ESO ISS PBLA13 START | 33.8 |
| HIERARCH ESO ISS PBLA13 END | 34.1 |
| HIERARCH ESO ISS PBL14 START | 129.28 |
| HIERARCH ESO ISS PBL14 END | 129.135 |
| HIERARCH ESO ISS PBLA14 START | 61.923 |
| HIERARCH ESO ISS PBLA14 END | 62.31 |
| HIERARCH ESO ISS PBL23 START | 45.997 |
| HIERARCH ESO ISS PBL23 END | 45.943 |
| HIERARCH ESO ISS PBLA23 START | 41.5 |
| HIERARCH ESO ISS PBLA23 END | 41.9 |
| HIERARCH ESO ISS PBL24 START | 89.288 |
| HIERARCH ESO ISS PBL24 END | 89.232 |
| HIERARCH ESO ISS PBLA24 START | 82.614 |
| HIERARCH ESO ISS PBLA24 END | 83.03 |
| HIERARCH ESO ISS PBL34 START | 62.413 |
| HIERARCH ESO ISS PBL34 END | 62.436 |
| HIERARCH ESO ISS PBLA34 START | 111.572 |
| HIERARCH ESO ISS PBLA34 END | 111.984 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004068 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003706 |
| HIERARCH ESO ISS AMBI TEMP | 16.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |