Exposure
- ID
- GRAVI.2025-10-04T08:08:07.564_1
- Header ID
- GRAVI.2025-10-04T08:08:07.564
- Date updated
- 2025-10-04 08:25:42 UTC+0000
- Release date
- 2026-04-02 08:25:41 UTC+0000
- UTC Start
- 2025-10-04 08:08:07.564
- UTC End
- 2025-10-04 08:14:07.564
- MJD Start
- 60952.33897644
- MJD End
- 60952.343143106664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003635
- Ambient temperature (°C)
- 10.25
- Seeing (arcsec)
- 0.5599999999999999
Observation
- ID
- 70649
- 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
- 52409
- Name
- 51Eri
- RA
- 69.402594
- DEC
- -2.47409
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.4280 | 52.6800 | 26.0000 | 26.6000 |
| U1-U3 | 95.4480 | 95.9920 | 32.7000 | 33.3000 |
| U1-U4 | 125.7670 | 126.5430 | 61.5410 | 61.7970 |
| U2-U3 | 43.8250 | 44.1050 | 40.8000 | 41.3000 |
| U2-U4 | 88.5510 | 88.8570 | 81.6950 | 81.7900 |
| U3-U4 | 62.3760 | 62.2650 | 109.0530 | 109.1540 |
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 | 60952.33897644 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402594 |
| DEC | -2.47409 |
| 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 | 52.428 |
| HIERARCH ESO ISS PBL12 END | 52.68 |
| HIERARCH ESO ISS PBLA12 START | 26.0 |
| HIERARCH ESO ISS PBLA12 END | 26.6 |
| HIERARCH ESO ISS PBL13 START | 95.448 |
| HIERARCH ESO ISS PBL13 END | 95.992 |
| HIERARCH ESO ISS PBLA13 START | 32.7 |
| HIERARCH ESO ISS PBLA13 END | 33.3 |
| HIERARCH ESO ISS PBL14 START | 125.767 |
| HIERARCH ESO ISS PBL14 END | 126.543 |
| HIERARCH ESO ISS PBLA14 START | 61.541 |
| HIERARCH ESO ISS PBLA14 END | 61.797 |
| HIERARCH ESO ISS PBL23 START | 43.825 |
| HIERARCH ESO ISS PBL23 END | 44.105 |
| HIERARCH ESO ISS PBLA23 START | 40.8 |
| HIERARCH ESO ISS PBLA23 END | 41.3 |
| HIERARCH ESO ISS PBL24 START | 88.551 |
| HIERARCH ESO ISS PBL24 END | 88.857 |
| HIERARCH ESO ISS PBLA24 START | 81.695 |
| HIERARCH ESO ISS PBLA24 END | 81.79 |
| HIERARCH ESO ISS PBL34 START | 62.376 |
| HIERARCH ESO ISS PBL34 END | 62.265 |
| HIERARCH ESO ISS PBLA34 START | 109.053 |
| HIERARCH ESO ISS PBLA34 END | 109.154 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005096 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002174 |
| HIERARCH ESO ISS AMBI TEMP | 10.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |