Exposure
- ID
- GRAVI.2021-01-06T01:40:59.376_2
- Header ID
- GRAVI.2021-01-06T01:40:59.376
- Date updated
- 2021-01-06 01:50:39 UTC+0000
- Release date
- 2022-01-06 01:50:39 UTC+0000
- UTC Start
- 2021-01-06 01:40:59.376
- UTC End
- 2021-01-06 01:41:28.176
- MJD Start
- 59220.07013167
- MJD End
- 59220.0704650033
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0123605
- Ambient temperature (°C)
- 12.17
- Seeing (arcsec)
- 0.38
Observation
- ID
- 46112
- Category
- science
- Program ID
- 1104.C-0651(C)
- 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/ EISENHAUE...
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 | 51.7610 | 51.8060 | 24.2000 | 24.3000 |
| U1-U3 | 93.9710 | 94.0720 | 31.1000 | 31.2000 |
| U1-U4 | 123.3950 | 123.5680 | 60.7560 | 60.8120 |
| U2-U3 | 43.0400 | 43.0950 | 39.4000 | 39.5000 |
| U2-U4 | 87.4360 | 87.5250 | 81.4060 | 81.4260 |
| U3-U4 | 62.4660 | 62.4690 | 108.8460 | 108.8570 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(C) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59220.07013167 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51erib |
| RA | 69.402777 |
| DEC | -2.47372 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 68.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 51.761 |
| HIERARCH ESO ISS PBL12 END | 51.806 |
| HIERARCH ESO ISS PBLA12 START | 24.2 |
| HIERARCH ESO ISS PBLA12 END | 24.3 |
| HIERARCH ESO ISS PBL13 START | 93.971 |
| HIERARCH ESO ISS PBL13 END | 94.072 |
| HIERARCH ESO ISS PBLA13 START | 31.1 |
| HIERARCH ESO ISS PBLA13 END | 31.2 |
| HIERARCH ESO ISS PBL14 START | 123.395 |
| HIERARCH ESO ISS PBL14 END | 123.568 |
| HIERARCH ESO ISS PBLA14 START | 60.756 |
| HIERARCH ESO ISS PBLA14 END | 60.812 |
| HIERARCH ESO ISS PBL23 START | 43.04 |
| HIERARCH ESO ISS PBL23 END | 43.095 |
| HIERARCH ESO ISS PBLA23 START | 39.4 |
| HIERARCH ESO ISS PBLA23 END | 39.5 |
| HIERARCH ESO ISS PBL24 START | 87.436 |
| HIERARCH ESO ISS PBL24 END | 87.525 |
| HIERARCH ESO ISS PBLA24 START | 81.406 |
| HIERARCH ESO ISS PBLA24 END | 81.426 |
| HIERARCH ESO ISS PBL34 START | 62.466 |
| HIERARCH ESO ISS PBL34 END | 62.469 |
| HIERARCH ESO ISS PBLA34 START | 108.846 |
| HIERARCH ESO ISS PBLA34 END | 108.857 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012143 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012578 |
| HIERARCH ESO ISS AMBI TEMP | 12.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |