Exposure
- ID
- GRAVI.2024-04-28T07:16:20.686_2
- Header ID
- GRAVI.2024-04-28T07:16:20.686
- Date updated
- 2024-04-28 07:25:25 UTC+0000
- Release date
- 2025-04-28 07:25:25 UTC+0000
- UTC Start
- 2024-04-28 07:16:20.686
- UTC End
- 2024-04-28 07:17:56.686
- MJD Start
- 60428.3030172
- MJD End
- 60428.30412831111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050885
- Ambient temperature (°C)
- 16.76
- Seeing (arcsec)
- 0.7649999999999999
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 | 55.2480 | 55.2090 | 29.2000 | 29.4000 |
| U1-U3 | 100.1050 | 100.0210 | 35.7000 | 35.9000 |
| U1-U4 | 128.2460 | 128.1120 | 64.2040 | 64.4450 |
| U2-U3 | 45.6390 | 45.5960 | 43.6000 | 43.8000 |
| U2-U4 | 88.8200 | 88.7500 | 85.0960 | 85.3620 |
| U3-U4 | 62.4660 | 62.4600 | 114.0650 | 114.3370 |
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 | 60428.3030172 |
| 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 | 55.248 |
| HIERARCH ESO ISS PBL12 END | 55.209 |
| HIERARCH ESO ISS PBLA12 START | 29.2 |
| HIERARCH ESO ISS PBLA12 END | 29.4 |
| HIERARCH ESO ISS PBL13 START | 100.105 |
| HIERARCH ESO ISS PBL13 END | 100.021 |
| HIERARCH ESO ISS PBLA13 START | 35.7 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 128.246 |
| HIERARCH ESO ISS PBL14 END | 128.112 |
| HIERARCH ESO ISS PBLA14 START | 64.204 |
| HIERARCH ESO ISS PBLA14 END | 64.445 |
| HIERARCH ESO ISS PBL23 START | 45.639 |
| HIERARCH ESO ISS PBL23 END | 45.596 |
| HIERARCH ESO ISS PBLA23 START | 43.6 |
| HIERARCH ESO ISS PBLA23 END | 43.8 |
| HIERARCH ESO ISS PBL24 START | 88.82 |
| HIERARCH ESO ISS PBL24 END | 88.75 |
| HIERARCH ESO ISS PBLA24 START | 85.096 |
| HIERARCH ESO ISS PBLA24 END | 85.362 |
| HIERARCH ESO ISS PBL34 START | 62.466 |
| HIERARCH ESO ISS PBL34 END | 62.46 |
| HIERARCH ESO ISS PBLA34 START | 114.065 |
| HIERARCH ESO ISS PBLA34 END | 114.337 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003969 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006208 |
| HIERARCH ESO ISS AMBI TEMP | 16.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |