Exposure
- ID
- GRAVI.2025-10-04T08:28:16.616_1
- Header ID
- GRAVI.2025-10-04T08:28:16.616
- Date updated
- 2025-10-04 08:45:43 UTC+0000
- Release date
- 2026-04-02 08:45:43 UTC+0000
- UTC Start
- 2025-10-04 08:28:16.616
- UTC End
- 2025-10-04 08:34:16.616
- MJD Start
- 60952.35297009
- MJD End
- 60952.35713675667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002209
- Ambient temperature (°C)
- 10.04
- Seeing (arcsec)
- 0.7450000000000001
Observation
- ID
- 70651
- 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
- 52411
- Name
- 51Eri
- RA
- 69.402612
- DEC
- -2.47412
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.2330 | 53.4750 | 27.9000 | 28.4000 |
| U1-U3 | 97.1480 | 97.6410 | 34.5000 | 35.0000 |
| U1-U4 | 128.0070 | 128.5450 | 62.2940 | 62.4860 |
| U2-U3 | 44.6840 | 44.9220 | 42.3000 | 42.7000 |
| U2-U4 | 89.3030 | 89.3990 | 81.9780 | 82.0530 |
| U3-U4 | 61.8720 | 61.6300 | 109.4280 | 109.5740 |
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 | 60952.35297009 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402612 |
| DEC | -2.47412 |
| 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 | 53.233 |
| HIERARCH ESO ISS PBL12 END | 53.475 |
| HIERARCH ESO ISS PBLA12 START | 27.9 |
| HIERARCH ESO ISS PBLA12 END | 28.4 |
| HIERARCH ESO ISS PBL13 START | 97.148 |
| HIERARCH ESO ISS PBL13 END | 97.641 |
| HIERARCH ESO ISS PBLA13 START | 34.5 |
| HIERARCH ESO ISS PBLA13 END | 35.0 |
| HIERARCH ESO ISS PBL14 START | 128.007 |
| HIERARCH ESO ISS PBL14 END | 128.545 |
| HIERARCH ESO ISS PBLA14 START | 62.294 |
| HIERARCH ESO ISS PBLA14 END | 62.486 |
| HIERARCH ESO ISS PBL23 START | 44.684 |
| HIERARCH ESO ISS PBL23 END | 44.922 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 42.7 |
| HIERARCH ESO ISS PBL24 START | 89.303 |
| HIERARCH ESO ISS PBL24 END | 89.399 |
| HIERARCH ESO ISS PBLA24 START | 81.978 |
| HIERARCH ESO ISS PBLA24 END | 82.053 |
| HIERARCH ESO ISS PBL34 START | 61.872 |
| HIERARCH ESO ISS PBL34 END | 61.63 |
| HIERARCH ESO ISS PBLA34 START | 109.428 |
| HIERARCH ESO ISS PBLA34 END | 109.574 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002298 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00212 |
| HIERARCH ESO ISS AMBI TEMP | 10.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |