Exposure
- ID
- GRAVI.2023-08-30T08:26:04.769_2
- Header ID
- GRAVI.2023-08-30T08:26:04.769
- Date updated
- 2023-08-30 08:35:20 UTC+0000
- Release date
- 2024-02-26 08:35:20 UTC+0000
- UTC Start
- 2023-08-30 08:26:04.769
- UTC End
- 2023-08-30 08:27:08.769
- MJD Start
- 60186.35144409
- MJD End
- 60186.3521848307
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053395
- Ambient temperature (°C)
- 12.11
- Seeing (arcsec)
- 0.925
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 | 48.1710 | 48.2020 | 9.6000 | 9.8000 |
| U1-U3 | 84.6200 | 84.7210 | 16.4000 | 16.7000 |
| U1-U4 | 98.8600 | 99.2630 | 51.0810 | 51.2830 |
| U2-U3 | 37.2370 | 37.3110 | 25.3000 | 25.5000 |
| U2-U4 | 70.4360 | 70.7650 | 78.0360 | 78.1080 |
| U3-U4 | 56.3270 | 56.4820 | 109.7910 | 109.7490 |
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 | 60186.35144409 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402493 |
| DEC | -2.47405 |
| 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 | 48.171 |
| HIERARCH ESO ISS PBL12 END | 48.202 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 9.8 |
| HIERARCH ESO ISS PBL13 START | 84.62 |
| HIERARCH ESO ISS PBL13 END | 84.721 |
| HIERARCH ESO ISS PBLA13 START | 16.4 |
| HIERARCH ESO ISS PBLA13 END | 16.7 |
| HIERARCH ESO ISS PBL14 START | 98.86 |
| HIERARCH ESO ISS PBL14 END | 99.263 |
| HIERARCH ESO ISS PBLA14 START | 51.081 |
| HIERARCH ESO ISS PBLA14 END | 51.283 |
| HIERARCH ESO ISS PBL23 START | 37.237 |
| HIERARCH ESO ISS PBL23 END | 37.311 |
| HIERARCH ESO ISS PBLA23 START | 25.3 |
| HIERARCH ESO ISS PBLA23 END | 25.5 |
| HIERARCH ESO ISS PBL24 START | 70.436 |
| HIERARCH ESO ISS PBL24 END | 70.765 |
| HIERARCH ESO ISS PBLA24 START | 78.036 |
| HIERARCH ESO ISS PBLA24 END | 78.108 |
| HIERARCH ESO ISS PBL34 START | 56.327 |
| HIERARCH ESO ISS PBL34 END | 56.482 |
| HIERARCH ESO ISS PBLA34 START | 109.791 |
| HIERARCH ESO ISS PBLA34 END | 109.749 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005961 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004718 |
| HIERARCH ESO ISS AMBI TEMP | 12.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.02 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |