Exposure
- ID
- GRAVI.2025-10-04T07:03:37.400_1
- Header ID
- GRAVI.2025-10-04T07:03:37.400
- Date updated
- 2025-10-04 07:20:37 UTC+0000
- Release date
- 2026-04-02 07:20:37 UTC+0000
- UTC Start
- 2025-10-04 07:03:37.400
- UTC End
- 2025-10-04 07:09:37.400
- MJD Start
- 60952.29418287
- MJD End
- 60952.298349536664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004971
- Ambient temperature (°C)
- 10.07
- Seeing (arcsec)
- 0.44999999999999996
Observation
- ID
- 70640
- 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
- 52400
- Name
- 51Eri
- RA
- 69.402603
- DEC
- -2.47403
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.8680 | 50.1000 | 18.2000 | 19.1000 |
| U1-U3 | 89.4390 | 90.0270 | 25.3000 | 26.2000 |
| U1-U4 | 113.9280 | 115.3580 | 57.5220 | 58.0390 |
| U2-U3 | 40.4340 | 40.7900 | 34.1000 | 34.9000 |
| U2-U4 | 81.7030 | 82.6550 | 80.2750 | 80.4540 |
| U3-U4 | 61.0800 | 61.3990 | 108.7780 | 108.7430 |
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 | 60952.29418287 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402603 |
| DEC | -2.47403 |
| 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 | 49.868 |
| HIERARCH ESO ISS PBL12 END | 50.1 |
| HIERARCH ESO ISS PBLA12 START | 18.2 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 89.439 |
| HIERARCH ESO ISS PBL13 END | 90.027 |
| HIERARCH ESO ISS PBLA13 START | 25.3 |
| HIERARCH ESO ISS PBLA13 END | 26.2 |
| HIERARCH ESO ISS PBL14 START | 113.928 |
| HIERARCH ESO ISS PBL14 END | 115.358 |
| HIERARCH ESO ISS PBLA14 START | 57.522 |
| HIERARCH ESO ISS PBLA14 END | 58.039 |
| HIERARCH ESO ISS PBL23 START | 40.434 |
| HIERARCH ESO ISS PBL23 END | 40.79 |
| HIERARCH ESO ISS PBLA23 START | 34.1 |
| HIERARCH ESO ISS PBLA23 END | 34.9 |
| HIERARCH ESO ISS PBL24 START | 81.703 |
| HIERARCH ESO ISS PBL24 END | 82.655 |
| HIERARCH ESO ISS PBLA24 START | 80.275 |
| HIERARCH ESO ISS PBLA24 END | 80.454 |
| HIERARCH ESO ISS PBL34 START | 61.08 |
| HIERARCH ESO ISS PBL34 END | 61.399 |
| HIERARCH ESO ISS PBLA34 START | 108.778 |
| HIERARCH ESO ISS PBLA34 END | 108.743 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004744 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005198 |
| HIERARCH ESO ISS AMBI TEMP | 10.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |