Exposure
- ID
- GRAVI.2021-01-06T01:23:38.332_2
- Header ID
- GRAVI.2021-01-06T01:23:38.332
- Date updated
- 2021-01-06 01:31:00 UTC+0000
- Release date
- 2022-01-06 01:31:00 UTC+0000
- UTC Start
- 2021-01-06 01:23:38.332
- UTC End
- 2021-01-06 01:24:07.132
- MJD Start
- 59220.05808255
- MJD End
- 59220.0584158833
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012834
- Ambient temperature (°C)
- 11.53
- Seeing (arcsec)
- 0.59
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 | 51.0560 | 51.1000 | 22.2000 | 22.3000 |
| U1-U3 | 92.3480 | 92.4520 | 29.2000 | 29.3000 |
| U1-U4 | 120.3880 | 120.5940 | 59.7630 | 59.8320 |
| U2-U3 | 42.1410 | 42.2000 | 37.7000 | 37.8000 |
| U2-U4 | 85.7830 | 85.9020 | 81.0520 | 81.0770 |
| U3-U4 | 62.2470 | 62.2710 | 108.7300 | 108.7350 |
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 | 59220.05808255 |
| 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 | 51.056 |
| HIERARCH ESO ISS PBL12 END | 51.1 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 92.348 |
| HIERARCH ESO ISS PBL13 END | 92.452 |
| HIERARCH ESO ISS PBLA13 START | 29.2 |
| HIERARCH ESO ISS PBLA13 END | 29.3 |
| HIERARCH ESO ISS PBL14 START | 120.388 |
| HIERARCH ESO ISS PBL14 END | 120.594 |
| HIERARCH ESO ISS PBLA14 START | 59.763 |
| HIERARCH ESO ISS PBLA14 END | 59.832 |
| HIERARCH ESO ISS PBL23 START | 42.141 |
| HIERARCH ESO ISS PBL23 END | 42.2 |
| HIERARCH ESO ISS PBLA23 START | 37.7 |
| HIERARCH ESO ISS PBLA23 END | 37.8 |
| HIERARCH ESO ISS PBL24 START | 85.783 |
| HIERARCH ESO ISS PBL24 END | 85.902 |
| HIERARCH ESO ISS PBLA24 START | 81.052 |
| HIERARCH ESO ISS PBLA24 END | 81.077 |
| HIERARCH ESO ISS PBL34 START | 62.247 |
| HIERARCH ESO ISS PBL34 END | 62.271 |
| HIERARCH ESO ISS PBLA34 START | 108.73 |
| HIERARCH ESO ISS PBLA34 END | 108.735 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013979 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011689 |
| HIERARCH ESO ISS AMBI TEMP | 11.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |