Exposure
- ID
- GRAVI.2025-10-04T06:22:04.293_1
- Header ID
- GRAVI.2025-10-04T06:22:04.293
- Date updated
- 2025-10-04 06:35:50 UTC+0000
- Release date
- 2026-04-02 06:35:50 UTC+0000
- UTC Start
- 2025-10-04 06:22:04.293
- UTC End
- 2025-10-04 06:28:04.293
- MJD Start
- 60952.26532747
- MJD End
- 60952.269494136664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048319999999999995
- Ambient temperature (°C)
- 10.19
- Seeing (arcsec)
- 0.535
Observation
- ID
- 70635
- 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
- 52395
- Name
- 51Eri
- RA
- 69.40262
- DEC
- -2.47401
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.5430 | 48.7140 | 12.1000 | 13.0000 |
| U1-U3 | 85.7940 | 86.3010 | 19.1000 | 20.1000 |
| U1-U4 | 103.2640 | 104.9780 | 53.1930 | 53.9550 |
| U2-U3 | 38.0750 | 38.4210 | 28.0000 | 29.0000 |
| U2-U4 | 73.9490 | 75.2670 | 78.7780 | 79.0420 |
| U3-U4 | 57.9430 | 58.5240 | 109.3810 | 109.2470 |
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 | 60952.26532747 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.40262 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 48.543 |
| HIERARCH ESO ISS PBL12 END | 48.714 |
| HIERARCH ESO ISS PBLA12 START | 12.1 |
| HIERARCH ESO ISS PBLA12 END | 13.0 |
| HIERARCH ESO ISS PBL13 START | 85.794 |
| HIERARCH ESO ISS PBL13 END | 86.301 |
| HIERARCH ESO ISS PBLA13 START | 19.1 |
| HIERARCH ESO ISS PBLA13 END | 20.1 |
| HIERARCH ESO ISS PBL14 START | 103.264 |
| HIERARCH ESO ISS PBL14 END | 104.978 |
| HIERARCH ESO ISS PBLA14 START | 53.193 |
| HIERARCH ESO ISS PBLA14 END | 53.955 |
| HIERARCH ESO ISS PBL23 START | 38.075 |
| HIERARCH ESO ISS PBL23 END | 38.421 |
| HIERARCH ESO ISS PBLA23 START | 28.0 |
| HIERARCH ESO ISS PBLA23 END | 29.0 |
| HIERARCH ESO ISS PBL24 START | 73.949 |
| HIERARCH ESO ISS PBL24 END | 75.267 |
| HIERARCH ESO ISS PBLA24 START | 78.778 |
| HIERARCH ESO ISS PBLA24 END | 79.042 |
| HIERARCH ESO ISS PBL34 START | 57.943 |
| HIERARCH ESO ISS PBL34 END | 58.524 |
| HIERARCH ESO ISS PBLA34 START | 109.381 |
| HIERARCH ESO ISS PBLA34 END | 109.247 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004681 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004983 |
| HIERARCH ESO ISS AMBI TEMP | 10.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |