Exposure
- ID
- GRAVI.2025-10-04T07:17:04.434_1
- Header ID
- GRAVI.2025-10-04T07:17:04.434
- Date updated
- 2025-10-04 07:30:45 UTC+0000
- Release date
- 2026-04-02 07:30:45 UTC+0000
- UTC Start
- 2025-10-04 07:17:04.434
- UTC End
- 2025-10-04 07:23:04.434
- MJD Start
- 60952.30352354
- MJD End
- 60952.30769020667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002819
- Ambient temperature (°C)
- 10.04
- Seeing (arcsec)
- 0.6200000000000001
Observation
- ID
- 70641
- Category
- science
- Program ID
- 111.24MN.004
- 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
- 52401
- Name
- 51Eri
- RA
- 69.4026
- DEC
- -2.47404
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.3730 | 50.6150 | 20.0000 | 20.8000 |
| U1-U3 | 90.7080 | 91.3000 | 27.1000 | 27.9000 |
| U1-U4 | 116.9340 | 118.2370 | 58.5960 | 59.0460 |
| U2-U3 | 41.1960 | 41.5420 | 35.8000 | 36.5000 |
| U2-U4 | 83.6750 | 84.4930 | 80.6480 | 80.8050 |
| U3-U4 | 61.7150 | 61.9450 | 108.7190 | 108.7130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60952.30352354 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.4026 |
| DEC | -2.47404 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 50.373 |
| HIERARCH ESO ISS PBL12 END | 50.615 |
| HIERARCH ESO ISS PBLA12 START | 20.0 |
| HIERARCH ESO ISS PBLA12 END | 20.8 |
| HIERARCH ESO ISS PBL13 START | 90.708 |
| HIERARCH ESO ISS PBL13 END | 91.3 |
| HIERARCH ESO ISS PBLA13 START | 27.1 |
| HIERARCH ESO ISS PBLA13 END | 27.9 |
| HIERARCH ESO ISS PBL14 START | 116.934 |
| HIERARCH ESO ISS PBL14 END | 118.237 |
| HIERARCH ESO ISS PBLA14 START | 58.596 |
| HIERARCH ESO ISS PBLA14 END | 59.046 |
| HIERARCH ESO ISS PBL23 START | 41.196 |
| HIERARCH ESO ISS PBL23 END | 41.542 |
| HIERARCH ESO ISS PBLA23 START | 35.8 |
| HIERARCH ESO ISS PBLA23 END | 36.5 |
| HIERARCH ESO ISS PBL24 START | 83.675 |
| HIERARCH ESO ISS PBL24 END | 84.493 |
| HIERARCH ESO ISS PBLA24 START | 80.648 |
| HIERARCH ESO ISS PBLA24 END | 80.805 |
| HIERARCH ESO ISS PBL34 START | 61.715 |
| HIERARCH ESO ISS PBL34 END | 61.945 |
| HIERARCH ESO ISS PBLA34 START | 108.719 |
| HIERARCH ESO ISS PBLA34 END | 108.713 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002646 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002992 |
| HIERARCH ESO ISS AMBI TEMP | 10.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |