Exposure
- ID
- GRAVI.2024-04-28T06:43:20.602_2
- Header ID
- GRAVI.2024-04-28T06:43:20.602
- Date updated
- 2024-04-28 06:55:25 UTC+0000
- Release date
- 2025-04-28 06:55:25 UTC+0000
- UTC Start
- 2024-04-28 06:43:20.602
- UTC End
- 2024-04-28 06:46:00.602
- MJD Start
- 60428.28009956
- MJD End
- 60428.28195141185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029685
- Ambient temperature (°C)
- 16.73
- Seeing (arcsec)
- 0.89
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 | 55.8210 | 55.7800 | 25.5000 | 25.9000 |
| U1-U3 | 101.3080 | 101.2240 | 31.9000 | 32.2000 |
| U1-U4 | 129.8870 | 129.8010 | 59.7480 | 60.1470 |
| U2-U3 | 46.2490 | 46.2080 | 39.6000 | 39.9000 |
| U2-U4 | 89.4290 | 89.4240 | 80.3020 | 80.7230 |
| U3-U4 | 62.1840 | 62.2380 | 109.3250 | 109.7290 |
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 | 60428.28009956 |
| 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 | 55.821 |
| HIERARCH ESO ISS PBL12 END | 55.78 |
| HIERARCH ESO ISS PBLA12 START | 25.5 |
| HIERARCH ESO ISS PBLA12 END | 25.9 |
| HIERARCH ESO ISS PBL13 START | 101.308 |
| HIERARCH ESO ISS PBL13 END | 101.224 |
| HIERARCH ESO ISS PBLA13 START | 31.9 |
| HIERARCH ESO ISS PBLA13 END | 32.2 |
| HIERARCH ESO ISS PBL14 START | 129.887 |
| HIERARCH ESO ISS PBL14 END | 129.801 |
| HIERARCH ESO ISS PBLA14 START | 59.748 |
| HIERARCH ESO ISS PBLA14 END | 60.147 |
| HIERARCH ESO ISS PBL23 START | 46.249 |
| HIERARCH ESO ISS PBL23 END | 46.208 |
| HIERARCH ESO ISS PBLA23 START | 39.6 |
| HIERARCH ESO ISS PBLA23 END | 39.9 |
| HIERARCH ESO ISS PBL24 START | 89.429 |
| HIERARCH ESO ISS PBL24 END | 89.424 |
| HIERARCH ESO ISS PBLA24 START | 80.302 |
| HIERARCH ESO ISS PBLA24 END | 80.723 |
| HIERARCH ESO ISS PBL34 START | 62.184 |
| HIERARCH ESO ISS PBL34 END | 62.238 |
| HIERARCH ESO ISS PBLA34 START | 109.325 |
| HIERARCH ESO ISS PBLA34 END | 109.729 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002836 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003101 |
| HIERARCH ESO ISS AMBI TEMP | 16.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | HIP_81208 |
| HIERARCH ESO FT ROBJ ALPHA | 163513.839 |
| HIERARCH ESO FT ROBJ DELTA | -354328.725 |