Exposure
- ID
- GRAVI.2023-09-25T06:05:55.539_2
- Header ID
- GRAVI.2023-09-25T06:05:55.539
- Date updated
- 2023-09-25 06:15:28 UTC+0000
- Release date
- 2024-03-23 06:15:28 UTC+0000
- UTC Start
- 2023-09-25 06:05:55.539
- UTC End
- 2023-09-25 06:06:59.539
- MJD Start
- 60212.25411503
- MJD End
- 60212.2548557707
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005093
- Ambient temperature (°C)
- 16.73
- Seeing (arcsec)
- 0.67
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 | 47.6130 | 47.6240 | 3.2000 | 3.5000 |
| U1-U3 | 82.4150 | 82.4760 | 9.4000 | 9.7000 |
| U1-U4 | 87.7110 | 88.1240 | 44.4670 | 44.7550 |
| U2-U3 | 35.4540 | 35.5110 | 17.8000 | 18.1000 |
| U2-U4 | 60.6630 | 61.0510 | 75.6340 | 75.7430 |
| U3-U4 | 51.4710 | 51.6720 | 111.3240 | 111.2520 |
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 | 60212.25411503 |
| 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 | 47.613 |
| HIERARCH ESO ISS PBL12 END | 47.624 |
| HIERARCH ESO ISS PBLA12 START | 3.2 |
| HIERARCH ESO ISS PBLA12 END | 3.5 |
| HIERARCH ESO ISS PBL13 START | 82.415 |
| HIERARCH ESO ISS PBL13 END | 82.476 |
| HIERARCH ESO ISS PBLA13 START | 9.4 |
| HIERARCH ESO ISS PBLA13 END | 9.7 |
| HIERARCH ESO ISS PBL14 START | 87.711 |
| HIERARCH ESO ISS PBL14 END | 88.124 |
| HIERARCH ESO ISS PBLA14 START | 44.467 |
| HIERARCH ESO ISS PBLA14 END | 44.755 |
| HIERARCH ESO ISS PBL23 START | 35.454 |
| HIERARCH ESO ISS PBL23 END | 35.511 |
| HIERARCH ESO ISS PBLA23 START | 17.8 |
| HIERARCH ESO ISS PBLA23 END | 18.1 |
| HIERARCH ESO ISS PBL24 START | 60.663 |
| HIERARCH ESO ISS PBL24 END | 61.051 |
| HIERARCH ESO ISS PBLA24 START | 75.634 |
| HIERARCH ESO ISS PBLA24 END | 75.743 |
| HIERARCH ESO ISS PBL34 START | 51.471 |
| HIERARCH ESO ISS PBL34 END | 51.672 |
| HIERARCH ESO ISS PBLA34 START | 111.324 |
| HIERARCH ESO ISS PBLA34 END | 111.252 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005093 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005093 |
| HIERARCH ESO ISS AMBI TEMP | 16.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |