Exposure
- ID
- GRAVI.2023-09-25T06:25:28.588_2
- Header ID
- GRAVI.2023-09-25T06:25:28.588
- Date updated
- 2023-09-25 06:40:20 UTC+0000
- Release date
- 2024-03-23 06:40:20 UTC+0000
- UTC Start
- 2023-09-25 06:25:28.588
- UTC End
- 2023-09-25 06:32:08.588
- MJD Start
- 60212.26769199
- MJD End
- 60212.2723216196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005068
- Ambient temperature (°C)
- 16.62
- Seeing (arcsec)
- 0.735
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 | 47.8340 | 47.9480 | 6.5000 | 7.7000 |
| U1-U3 | 83.4200 | 83.8480 | 13.1000 | 14.4000 |
| U1-U4 | 93.4940 | 95.5440 | 48.1680 | 49.3330 |
| U2-U3 | 36.3170 | 36.6550 | 21.8000 | 23.2000 |
| U2-U4 | 65.9060 | 67.6710 | 76.9990 | 77.4180 |
| U3-U4 | 54.1330 | 55.0010 | 110.4310 | 110.1670 |
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 | 60212.26769199 |
| 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 | 47.834 |
| HIERARCH ESO ISS PBL12 END | 47.948 |
| HIERARCH ESO ISS PBLA12 START | 6.5 |
| HIERARCH ESO ISS PBLA12 END | 7.7 |
| HIERARCH ESO ISS PBL13 START | 83.42 |
| HIERARCH ESO ISS PBL13 END | 83.848 |
| HIERARCH ESO ISS PBLA13 START | 13.1 |
| HIERARCH ESO ISS PBLA13 END | 14.4 |
| HIERARCH ESO ISS PBL14 START | 93.494 |
| HIERARCH ESO ISS PBL14 END | 95.544 |
| HIERARCH ESO ISS PBLA14 START | 48.168 |
| HIERARCH ESO ISS PBLA14 END | 49.333 |
| HIERARCH ESO ISS PBL23 START | 36.317 |
| HIERARCH ESO ISS PBL23 END | 36.655 |
| HIERARCH ESO ISS PBLA23 START | 21.8 |
| HIERARCH ESO ISS PBLA23 END | 23.2 |
| HIERARCH ESO ISS PBL24 START | 65.906 |
| HIERARCH ESO ISS PBL24 END | 67.671 |
| HIERARCH ESO ISS PBLA24 START | 76.999 |
| HIERARCH ESO ISS PBLA24 END | 77.418 |
| HIERARCH ESO ISS PBL34 START | 54.133 |
| HIERARCH ESO ISS PBL34 END | 55.001 |
| HIERARCH ESO ISS PBLA34 START | 110.431 |
| HIERARCH ESO ISS PBLA34 END | 110.167 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006101 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004035 |
| HIERARCH ESO ISS AMBI TEMP | 16.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |