Exposure
- ID
- GRAVI.2025-10-04T06:48:43.361_1
- Header ID
- GRAVI.2025-10-04T06:48:43.361
- Date updated
- 2025-10-04 07:05:46 UTC+0000
- Release date
- 2026-04-02 07:05:45 UTC+0000
- UTC Start
- 2025-10-04 06:48:43.361
- UTC End
- 2025-10-04 06:54:43.361
- MJD Start
- 60952.2838352
- MJD End
- 60952.28800186667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040615
- Ambient temperature (°C)
- 10.14
- Seeing (arcsec)
- 0.5700000000000001
Observation
- ID
- 70639
- 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
- 52399
- Name
- 51Eri
- RA
- 69.402606
- DEC
- -2.47403
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.3480 | 49.5600 | 16.1000 | 17.0000 |
| U1-U3 | 88.0730 | 88.6400 | 23.2000 | 24.1000 |
| U1-U4 | 110.3320 | 111.8730 | 56.1640 | 56.7570 |
| U2-U3 | 39.5830 | 39.9410 | 32.1000 | 33.0000 |
| U2-U4 | 79.2110 | 80.2960 | 79.8060 | 80.0110 |
| U3-U4 | 60.1580 | 60.5720 | 108.9180 | 108.8490 |
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 | 60952.2838352 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402606 |
| 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 | 49.348 |
| HIERARCH ESO ISS PBL12 END | 49.56 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 17.0 |
| HIERARCH ESO ISS PBL13 START | 88.073 |
| HIERARCH ESO ISS PBL13 END | 88.64 |
| HIERARCH ESO ISS PBLA13 START | 23.2 |
| HIERARCH ESO ISS PBLA13 END | 24.1 |
| HIERARCH ESO ISS PBL14 START | 110.332 |
| HIERARCH ESO ISS PBL14 END | 111.873 |
| HIERARCH ESO ISS PBLA14 START | 56.164 |
| HIERARCH ESO ISS PBLA14 END | 56.757 |
| HIERARCH ESO ISS PBL23 START | 39.583 |
| HIERARCH ESO ISS PBL23 END | 39.941 |
| HIERARCH ESO ISS PBLA23 START | 32.1 |
| HIERARCH ESO ISS PBLA23 END | 33.0 |
| HIERARCH ESO ISS PBL24 START | 79.211 |
| HIERARCH ESO ISS PBL24 END | 80.296 |
| HIERARCH ESO ISS PBLA24 START | 79.806 |
| HIERARCH ESO ISS PBLA24 END | 80.011 |
| HIERARCH ESO ISS PBL34 START | 60.158 |
| HIERARCH ESO ISS PBL34 END | 60.572 |
| HIERARCH ESO ISS PBLA34 START | 108.918 |
| HIERARCH ESO ISS PBLA34 END | 108.849 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004072 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004051 |
| HIERARCH ESO ISS AMBI TEMP | 10.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |