Exposure
- ID
- GRAVI.2022-09-15T07:52:19.527_2
- Header ID
- GRAVI.2022-09-15T07:52:19.527
- Date updated
- 2022-09-15 08:11:45 UTC+0000
- Release date
- 2023-09-15 08:11:45 UTC+0000
- UTC Start
- 2022-09-15 07:52:19.527
- UTC End
- 2022-09-15 07:58:59.527
- MJD Start
- 59837.32800378
- MJD End
- 59837.3326334096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002666
- Ambient temperature (°C)
- 12.25
- Seeing (arcsec)
- 0.66
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 | 48.9640 | 49.1830 | 14.3000 | 15.4000 |
| U1-U3 | 87.0150 | 87.6240 | 21.4000 | 22.5000 |
| U1-U4 | 107.2290 | 109.0440 | 54.9090 | 55.6500 |
| U2-U3 | 38.8970 | 39.2940 | 30.3000 | 31.4000 |
| U2-U4 | 76.9550 | 78.2840 | 79.3710 | 79.6270 |
| U3-U4 | 59.2440 | 59.7900 | 109.0910 | 108.9840 |
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 | 59837.32800378 |
| 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 | 48.964 |
| HIERARCH ESO ISS PBL12 END | 49.183 |
| HIERARCH ESO ISS PBLA12 START | 14.3 |
| HIERARCH ESO ISS PBLA12 END | 15.4 |
| HIERARCH ESO ISS PBL13 START | 87.015 |
| HIERARCH ESO ISS PBL13 END | 87.624 |
| HIERARCH ESO ISS PBLA13 START | 21.4 |
| HIERARCH ESO ISS PBLA13 END | 22.5 |
| HIERARCH ESO ISS PBL14 START | 107.229 |
| HIERARCH ESO ISS PBL14 END | 109.044 |
| HIERARCH ESO ISS PBLA14 START | 54.909 |
| HIERARCH ESO ISS PBLA14 END | 55.65 |
| HIERARCH ESO ISS PBL23 START | 38.897 |
| HIERARCH ESO ISS PBL23 END | 39.294 |
| HIERARCH ESO ISS PBLA23 START | 30.3 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 76.955 |
| HIERARCH ESO ISS PBL24 END | 78.284 |
| HIERARCH ESO ISS PBLA24 START | 79.371 |
| HIERARCH ESO ISS PBLA24 END | 79.627 |
| HIERARCH ESO ISS PBL34 START | 59.244 |
| HIERARCH ESO ISS PBL34 END | 59.79 |
| HIERARCH ESO ISS PBLA34 START | 109.091 |
| HIERARCH ESO ISS PBLA34 END | 108.984 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002463 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002869 |
| HIERARCH ESO ISS AMBI TEMP | 12.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| 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 |