Exposure
- ID
- GRAVI.2023-09-25T06:09:37.548_2
- Header ID
- GRAVI.2023-09-25T06:09:37.548
- Date updated
- 2023-09-25 06:20:19 UTC+0000
- Release date
- 2024-03-23 06:20:19 UTC+0000
- UTC Start
- 2023-09-25 06:09:37.548
- UTC End
- 2023-09-25 06:10:41.548
- MJD Start
- 60212.25668458
- MJD End
- 60212.2574253207
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068855
- Ambient temperature (°C)
- 16.7
- Seeing (arcsec)
- 0.64
Observation
- ID
- 56815
- Category
- science
- Program ID
- 111.24MN.001
- 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
- 33031
- Name
- 51Eri
- RA
- 69.40055
- DEC
- -2.47354944444444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.6440 | 47.6560 | 3.9000 | 4.1000 |
| U1-U3 | 82.5810 | 82.6460 | 10.1000 | 10.4000 |
| U1-U4 | 88.8030 | 89.2060 | 45.2190 | 45.4900 |
| U2-U3 | 35.6060 | 35.6640 | 18.5000 | 18.8000 |
| U2-U4 | 61.6850 | 62.0590 | 75.9170 | 76.0180 |
| U3-U4 | 51.9990 | 52.1910 | 111.1360 | 111.0690 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60212.25668458 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402865 |
| DEC | -2.47371 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 47.644 |
| HIERARCH ESO ISS PBL12 END | 47.656 |
| HIERARCH ESO ISS PBLA12 START | 3.9 |
| HIERARCH ESO ISS PBLA12 END | 4.1 |
| HIERARCH ESO ISS PBL13 START | 82.581 |
| HIERARCH ESO ISS PBL13 END | 82.646 |
| HIERARCH ESO ISS PBLA13 START | 10.1 |
| HIERARCH ESO ISS PBLA13 END | 10.4 |
| HIERARCH ESO ISS PBL14 START | 88.803 |
| HIERARCH ESO ISS PBL14 END | 89.206 |
| HIERARCH ESO ISS PBLA14 START | 45.219 |
| HIERARCH ESO ISS PBLA14 END | 45.49 |
| HIERARCH ESO ISS PBL23 START | 35.606 |
| HIERARCH ESO ISS PBL23 END | 35.664 |
| HIERARCH ESO ISS PBLA23 START | 18.5 |
| HIERARCH ESO ISS PBLA23 END | 18.8 |
| HIERARCH ESO ISS PBL24 START | 61.685 |
| HIERARCH ESO ISS PBL24 END | 62.059 |
| HIERARCH ESO ISS PBLA24 START | 75.917 |
| HIERARCH ESO ISS PBLA24 END | 76.018 |
| HIERARCH ESO ISS PBL34 START | 51.999 |
| HIERARCH ESO ISS PBL34 END | 52.191 |
| HIERARCH ESO ISS PBLA34 START | 111.136 |
| HIERARCH ESO ISS PBLA34 END | 111.069 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00651 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007261 |
| HIERARCH ESO ISS AMBI TEMP | 16.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |