Exposure
- ID
- GRAVI.2023-08-30T09:09:10.879_2
- Header ID
- GRAVI.2023-08-30T09:09:10.879
- Date updated
- 2023-08-30 09:25:30 UTC+0000
- Release date
- 2024-02-26 09:25:30 UTC+0000
- UTC Start
- 2023-08-30 09:09:10.879
- UTC End
- 2023-08-30 09:15:50.879
- MJD Start
- 60186.38137591
- MJD End
- 60186.3860055396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003456
- Ambient temperature (°C)
- 11.09
- Seeing (arcsec)
- 1.28
Observation
- ID
- 56815
- Category
- science
- Program ID
- 111.24MN.001
- Program Title
- MONITORING 51 ERI B FOR A PERTURBING INNER COMPANION
- Program Type
- Monitoring
- PI / COI
- BALMER/ KAMMERER/ PUEYO/ LACOUR/ MAIRE/ WANG/ NOWAK/ STOLKER/ MOLLIERE/ CORREIA/ HINKLEY/ POURRÉ/ BOURDAROT/ OTTEN/ KERVELLA/ CASELLI/ BENISTY/ SAMLAND/ RICKMAN
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 | 49.3800 | 49.6210 | 16.2000 | 17.2000 |
| U1-U3 | 88.1580 | 88.7970 | 23.4000 | 24.4000 |
| U1-U4 | 110.5600 | 112.2800 | 56.2490 | 56.9070 |
| U2-U3 | 39.6360 | 40.0380 | 32.2000 | 33.2000 |
| U2-U4 | 79.3710 | 80.5760 | 79.8340 | 80.0620 |
| U3-U4 | 60.2200 | 60.6760 | 108.9070 | 108.8330 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60186.38137591 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.402543 |
| DEC | -2.47407 |
| 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 | 49.38 |
| HIERARCH ESO ISS PBL12 END | 49.621 |
| HIERARCH ESO ISS PBLA12 START | 16.2 |
| HIERARCH ESO ISS PBLA12 END | 17.2 |
| HIERARCH ESO ISS PBL13 START | 88.158 |
| HIERARCH ESO ISS PBL13 END | 88.797 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.4 |
| HIERARCH ESO ISS PBL14 START | 110.56 |
| HIERARCH ESO ISS PBL14 END | 112.28 |
| HIERARCH ESO ISS PBLA14 START | 56.249 |
| HIERARCH ESO ISS PBLA14 END | 56.907 |
| HIERARCH ESO ISS PBL23 START | 39.636 |
| HIERARCH ESO ISS PBL23 END | 40.038 |
| HIERARCH ESO ISS PBLA23 START | 32.2 |
| HIERARCH ESO ISS PBLA23 END | 33.2 |
| HIERARCH ESO ISS PBL24 START | 79.371 |
| HIERARCH ESO ISS PBL24 END | 80.576 |
| HIERARCH ESO ISS PBLA24 START | 79.834 |
| HIERARCH ESO ISS PBLA24 END | 80.062 |
| HIERARCH ESO ISS PBL34 START | 60.22 |
| HIERARCH ESO ISS PBL34 END | 60.676 |
| HIERARCH ESO ISS PBLA34 START | 108.907 |
| HIERARCH ESO ISS PBLA34 END | 108.833 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003153 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003759 |
| HIERARCH ESO ISS AMBI TEMP | 11.09 |
| HIERARCH ESO ISS AMBI FWHM START | 1.26 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |