Exposure
- ID
- GRAVI.2022-09-15T08:14:25.583_2
- Header ID
- GRAVI.2022-09-15T08:14:25.583
- Date updated
- 2022-09-15 08:30:37 UTC+0000
- Release date
- 2023-09-15 08:30:37 UTC+0000
- UTC Start
- 2022-09-15 08:14:25.583
- UTC End
- 2022-09-15 08:21:05.583
- MJD Start
- 59837.34335165
- MJD End
- 59837.3479812796
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002545
- Ambient temperature (°C)
- 12.11
- Seeing (arcsec)
- 0.77
Observation
- ID
- 52379
- Category
- science
- Program ID
- 1104.C-0651(F)
- Program Title
- AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
- Program Type
- DDT
- PI / COI
- LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
- ID
- 33031
- Name
- 51Eri
- RA
- 69.40055
- DEC
- -2.47354944444444
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 | 49.6980 | 49.9500 | 17.5000 | 18.5000 |
| U1-U3 | 88.9960 | 89.6450 | 24.7000 | 25.6000 |
| U1-U4 | 112.7960 | 114.4270 | 57.1010 | 57.7010 |
| U2-U3 | 40.1610 | 40.5590 | 33.5000 | 34.4000 |
| U2-U4 | 80.9310 | 82.0360 | 80.1290 | 80.3370 |
| U3-U4 | 60.8050 | 61.1930 | 108.8150 | 108.7650 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(F) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59837.34335165 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib_Sep22 |
| RA | 69.402771 |
| DEC | -2.47353 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 49.698 |
| HIERARCH ESO ISS PBL12 END | 49.95 |
| HIERARCH ESO ISS PBLA12 START | 17.5 |
| HIERARCH ESO ISS PBLA12 END | 18.5 |
| HIERARCH ESO ISS PBL13 START | 88.996 |
| HIERARCH ESO ISS PBL13 END | 89.645 |
| HIERARCH ESO ISS PBLA13 START | 24.7 |
| HIERARCH ESO ISS PBLA13 END | 25.6 |
| HIERARCH ESO ISS PBL14 START | 112.796 |
| HIERARCH ESO ISS PBL14 END | 114.427 |
| HIERARCH ESO ISS PBLA14 START | 57.101 |
| HIERARCH ESO ISS PBLA14 END | 57.701 |
| HIERARCH ESO ISS PBL23 START | 40.161 |
| HIERARCH ESO ISS PBL23 END | 40.559 |
| HIERARCH ESO ISS PBLA23 START | 33.5 |
| HIERARCH ESO ISS PBLA23 END | 34.4 |
| HIERARCH ESO ISS PBL24 START | 80.931 |
| HIERARCH ESO ISS PBL24 END | 82.036 |
| HIERARCH ESO ISS PBLA24 START | 80.129 |
| HIERARCH ESO ISS PBLA24 END | 80.337 |
| HIERARCH ESO ISS PBL34 START | 60.805 |
| HIERARCH ESO ISS PBL34 END | 61.193 |
| HIERARCH ESO ISS PBLA34 START | 108.815 |
| HIERARCH ESO ISS PBLA34 END | 108.765 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001966 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003124 |
| HIERARCH ESO ISS AMBI TEMP | 12.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |