Exposure
- ID
- GRAVI.2025-10-04T06:19:19.287_1
- Header ID
- GRAVI.2025-10-04T06:19:19.287
- Date updated
- 2025-10-04 06:25:49 UTC+0000
- Release date
- 2026-04-02 06:25:49 UTC+0000
- UTC Start
- 2025-10-04 06:19:19.287
- UTC End
- 2025-10-04 06:19:48.087
- MJD Start
- 60952.26341767
- MJD End
- 60952.26375100333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005459
- Ambient temperature (°C)
- 10.24
- Seeing (arcsec)
- 0.495
Observation
- ID
- 70634
- 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
- 52394
- Name
- 51Eri
- RA
- 69.402618
- DEC
- -2.47401
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.4720 | 48.4930 | 11.6000 | 11.8000 |
| U1-U3 | 85.5780 | 85.6430 | 18.6000 | 18.7000 |
| U1-U4 | 102.5030 | 102.7350 | 52.8440 | 52.9520 |
| U2-U3 | 37.9240 | 37.9700 | 27.5000 | 27.7000 |
| U2-U4 | 73.3550 | 73.5370 | 78.6560 | 78.6940 |
| U3-U4 | 57.6760 | 57.7580 | 109.4460 | 109.4260 |
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 | 60952.26341767 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402618 |
| DEC | -2.47401 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 48.472 |
| HIERARCH ESO ISS PBL12 END | 48.493 |
| HIERARCH ESO ISS PBLA12 START | 11.6 |
| HIERARCH ESO ISS PBLA12 END | 11.8 |
| HIERARCH ESO ISS PBL13 START | 85.578 |
| HIERARCH ESO ISS PBL13 END | 85.643 |
| HIERARCH ESO ISS PBLA13 START | 18.6 |
| HIERARCH ESO ISS PBLA13 END | 18.7 |
| HIERARCH ESO ISS PBL14 START | 102.503 |
| HIERARCH ESO ISS PBL14 END | 102.735 |
| HIERARCH ESO ISS PBLA14 START | 52.844 |
| HIERARCH ESO ISS PBLA14 END | 52.952 |
| HIERARCH ESO ISS PBL23 START | 37.924 |
| HIERARCH ESO ISS PBL23 END | 37.97 |
| HIERARCH ESO ISS PBLA23 START | 27.5 |
| HIERARCH ESO ISS PBLA23 END | 27.7 |
| HIERARCH ESO ISS PBL24 START | 73.355 |
| HIERARCH ESO ISS PBL24 END | 73.537 |
| HIERARCH ESO ISS PBLA24 START | 78.656 |
| HIERARCH ESO ISS PBLA24 END | 78.694 |
| HIERARCH ESO ISS PBL34 START | 57.676 |
| HIERARCH ESO ISS PBL34 END | 57.758 |
| HIERARCH ESO ISS PBLA34 START | 109.446 |
| HIERARCH ESO ISS PBLA34 END | 109.426 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005437 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005481 |
| HIERARCH ESO ISS AMBI TEMP | 10.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |