Exposure
- ID
- GRAVI.2021-01-06T01:58:20.420_2
- Header ID
- GRAVI.2021-01-06T01:58:20.420
- Date updated
- 2021-01-06 02:06:09 UTC+0000
- Release date
- 2022-01-06 02:06:09 UTC+0000
- UTC Start
- 2021-01-06 01:58:20.420
- UTC End
- 2021-01-06 01:58:49.220
- MJD Start
- 59220.08218079
- MJD End
- 59220.0825141233
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0149095
- Ambient temperature (°C)
- 11.61
- Seeing (arcsec)
- 0.395
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 | 52.4670 | 52.5120 | 26.0000 | 26.1000 |
| U1-U3 | 95.5310 | 95.6270 | 32.8000 | 32.9000 |
| U1-U4 | 125.8800 | 126.0200 | 61.5690 | 61.6160 |
| U2-U3 | 43.8670 | 43.9160 | 40.9000 | 41.0000 |
| U2-U4 | 88.5960 | 88.6530 | 81.7030 | 81.7200 |
| U3-U4 | 62.3630 | 62.3460 | 109.0630 | 109.0800 |
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 | 59220.08218079 |
| 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 | 52.467 |
| HIERARCH ESO ISS PBL12 END | 52.512 |
| HIERARCH ESO ISS PBLA12 START | 26.0 |
| HIERARCH ESO ISS PBLA12 END | 26.1 |
| HIERARCH ESO ISS PBL13 START | 95.531 |
| HIERARCH ESO ISS PBL13 END | 95.627 |
| HIERARCH ESO ISS PBLA13 START | 32.8 |
| HIERARCH ESO ISS PBLA13 END | 32.9 |
| HIERARCH ESO ISS PBL14 START | 125.88 |
| HIERARCH ESO ISS PBL14 END | 126.02 |
| HIERARCH ESO ISS PBLA14 START | 61.569 |
| HIERARCH ESO ISS PBLA14 END | 61.616 |
| HIERARCH ESO ISS PBL23 START | 43.867 |
| HIERARCH ESO ISS PBL23 END | 43.916 |
| HIERARCH ESO ISS PBLA23 START | 40.9 |
| HIERARCH ESO ISS PBLA23 END | 41.0 |
| HIERARCH ESO ISS PBL24 START | 88.596 |
| HIERARCH ESO ISS PBL24 END | 88.653 |
| HIERARCH ESO ISS PBLA24 START | 81.703 |
| HIERARCH ESO ISS PBLA24 END | 81.72 |
| HIERARCH ESO ISS PBL34 START | 62.363 |
| HIERARCH ESO ISS PBL34 END | 62.346 |
| HIERARCH ESO ISS PBLA34 START | 109.063 |
| HIERARCH ESO ISS PBLA34 END | 109.08 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.016263 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013556 |
| HIERARCH ESO ISS AMBI TEMP | 11.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |