Exposure
- ID
- GRAVI.2023-09-01T08:41:46.856_2
- Header ID
- GRAVI.2023-09-01T08:41:46.856
- Date updated
- 2023-09-01 09:00:27 UTC+0000
- Release date
- 2024-02-28 09:00:27 UTC+0000
- UTC Start
- 2023-09-01 08:41:46.856
- UTC End
- 2023-09-01 08:48:26.856
- MJD Start
- 60188.36234787
- MJD End
- 60188.3669774996
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034315
- Ambient temperature (°C)
- 11.11
- Seeing (arcsec)
- 1.14
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 | 48.7680 | 48.9770 | 13.3000 | 14.4000 |
| U1-U3 | 86.4550 | 87.0530 | 20.4000 | 21.5000 |
| U1-U4 | 105.4690 | 107.3480 | 54.1630 | 54.9570 |
| U2-U3 | 38.5240 | 38.9220 | 29.3000 | 30.4000 |
| U2-U4 | 75.6380 | 77.0430 | 79.1110 | 79.3860 |
| U3-U4 | 58.6840 | 59.2810 | 109.2090 | 109.0810 |
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 | 60188.36234787 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.402545 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 48.768 |
| HIERARCH ESO ISS PBL12 END | 48.977 |
| HIERARCH ESO ISS PBLA12 START | 13.3 |
| HIERARCH ESO ISS PBLA12 END | 14.4 |
| HIERARCH ESO ISS PBL13 START | 86.455 |
| HIERARCH ESO ISS PBL13 END | 87.053 |
| HIERARCH ESO ISS PBLA13 START | 20.4 |
| HIERARCH ESO ISS PBLA13 END | 21.5 |
| HIERARCH ESO ISS PBL14 START | 105.469 |
| HIERARCH ESO ISS PBL14 END | 107.348 |
| HIERARCH ESO ISS PBLA14 START | 54.163 |
| HIERARCH ESO ISS PBLA14 END | 54.957 |
| HIERARCH ESO ISS PBL23 START | 38.524 |
| HIERARCH ESO ISS PBL23 END | 38.922 |
| HIERARCH ESO ISS PBLA23 START | 29.3 |
| HIERARCH ESO ISS PBLA23 END | 30.4 |
| HIERARCH ESO ISS PBL24 START | 75.638 |
| HIERARCH ESO ISS PBL24 END | 77.043 |
| HIERARCH ESO ISS PBLA24 START | 79.111 |
| HIERARCH ESO ISS PBLA24 END | 79.386 |
| HIERARCH ESO ISS PBL34 START | 58.684 |
| HIERARCH ESO ISS PBL34 END | 59.281 |
| HIERARCH ESO ISS PBLA34 START | 109.209 |
| HIERARCH ESO ISS PBLA34 END | 109.081 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003128 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003735 |
| HIERARCH ESO ISS AMBI TEMP | 11.11 |
| HIERARCH ESO ISS AMBI FWHM START | 1.17 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |