Exposure
- ID
- GRAVI.2022-09-15T09:47:43.818_2
- Header ID
- GRAVI.2022-09-15T09:47:43.818
- Date updated
- 2022-09-15 09:56:34 UTC+0000
- Release date
- 2023-09-15 09:56:34 UTC+0000
- UTC Start
- 2022-09-15 09:47:43.818
- UTC End
- 2022-09-15 09:48:47.818
- MJD Start
- 59837.40814604
- MJD End
- 59837.4088867807
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031615
- Ambient temperature (°C)
- 11.79
- Seeing (arcsec)
- 0.675
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 | 53.3830 | 53.4370 | 28.2000 | 28.4000 |
| U1-U3 | 97.4550 | 97.5640 | 34.8000 | 34.9000 |
| U1-U4 | 128.3460 | 128.4630 | 62.4160 | 62.4580 |
| U2-U3 | 44.8320 | 44.8850 | 42.6000 | 42.6000 |
| U2-U4 | 89.3690 | 89.3880 | 82.0280 | 82.0440 |
| U3-U4 | 61.7300 | 61.6730 | 109.5200 | 109.5530 |
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 | 59837.40814604 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402854 |
| DEC | -2.47366 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 53.383 |
| HIERARCH ESO ISS PBL12 END | 53.437 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.4 |
| HIERARCH ESO ISS PBL13 START | 97.455 |
| HIERARCH ESO ISS PBL13 END | 97.564 |
| HIERARCH ESO ISS PBLA13 START | 34.8 |
| HIERARCH ESO ISS PBLA13 END | 34.9 |
| HIERARCH ESO ISS PBL14 START | 128.346 |
| HIERARCH ESO ISS PBL14 END | 128.463 |
| HIERARCH ESO ISS PBLA14 START | 62.416 |
| HIERARCH ESO ISS PBLA14 END | 62.458 |
| HIERARCH ESO ISS PBL23 START | 44.832 |
| HIERARCH ESO ISS PBL23 END | 44.885 |
| HIERARCH ESO ISS PBLA23 START | 42.6 |
| HIERARCH ESO ISS PBLA23 END | 42.6 |
| HIERARCH ESO ISS PBL24 START | 89.369 |
| HIERARCH ESO ISS PBL24 END | 89.388 |
| HIERARCH ESO ISS PBLA24 START | 82.028 |
| HIERARCH ESO ISS PBLA24 END | 82.044 |
| HIERARCH ESO ISS PBL34 START | 61.73 |
| HIERARCH ESO ISS PBL34 END | 61.673 |
| HIERARCH ESO ISS PBLA34 START | 109.52 |
| HIERARCH ESO ISS PBLA34 END | 109.553 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003133 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00319 |
| HIERARCH ESO ISS AMBI TEMP | 11.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |