Exposure
- ID
- GRAVI.2023-09-25T06:41:25.628_2
- Header ID
- GRAVI.2023-09-25T06:41:25.628
- Date updated
- 2023-09-25 06:55:25 UTC+0000
- Release date
- 2024-03-23 06:55:25 UTC+0000
- UTC Start
- 2023-09-25 06:41:25.628
- UTC End
- 2023-09-25 06:48:05.628
- MJD Start
- 60212.27876884
- MJD End
- 60212.2833984696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006072
- Ambient temperature (°C)
- 16.55
- Seeing (arcsec)
- 0.595
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 | 48.1200 | 48.2720 | 9.2000 | 10.3000 |
| U1-U3 | 84.4500 | 84.9490 | 16.0000 | 17.2000 |
| U1-U4 | 98.1660 | 100.1590 | 50.7290 | 51.7290 |
| U2-U3 | 37.1120 | 37.4760 | 24.8000 | 26.1000 |
| U2-U4 | 69.8670 | 71.4910 | 77.9140 | 78.2650 |
| U3-U4 | 56.0580 | 56.8210 | 109.8660 | 109.6610 |
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 | 60212.27876884 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.40292 |
| DEC | -2.47369 |
| 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 | 48.12 |
| HIERARCH ESO ISS PBL12 END | 48.272 |
| HIERARCH ESO ISS PBLA12 START | 9.2 |
| HIERARCH ESO ISS PBLA12 END | 10.3 |
| HIERARCH ESO ISS PBL13 START | 84.45 |
| HIERARCH ESO ISS PBL13 END | 84.949 |
| HIERARCH ESO ISS PBLA13 START | 16.0 |
| HIERARCH ESO ISS PBLA13 END | 17.2 |
| HIERARCH ESO ISS PBL14 START | 98.166 |
| HIERARCH ESO ISS PBL14 END | 100.159 |
| HIERARCH ESO ISS PBLA14 START | 50.729 |
| HIERARCH ESO ISS PBLA14 END | 51.729 |
| HIERARCH ESO ISS PBL23 START | 37.112 |
| HIERARCH ESO ISS PBL23 END | 37.476 |
| HIERARCH ESO ISS PBLA23 START | 24.8 |
| HIERARCH ESO ISS PBLA23 END | 26.1 |
| HIERARCH ESO ISS PBL24 START | 69.867 |
| HIERARCH ESO ISS PBL24 END | 71.491 |
| HIERARCH ESO ISS PBLA24 START | 77.914 |
| HIERARCH ESO ISS PBLA24 END | 78.265 |
| HIERARCH ESO ISS PBL34 START | 56.058 |
| HIERARCH ESO ISS PBL34 END | 56.821 |
| HIERARCH ESO ISS PBLA34 START | 109.866 |
| HIERARCH ESO ISS PBLA34 END | 109.661 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005493 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006651 |
| HIERARCH ESO ISS AMBI TEMP | 16.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |