Exposure
- ID
- GRAVI.2023-09-25T06:00:01.523_2
- Header ID
- GRAVI.2023-09-25T06:00:01.523
- Date updated
- 2023-09-25 06:10:22 UTC+0000
- Release date
- 2024-03-23 06:10:22 UTC+0000
- UTC Start
- 2023-09-25 06:00:01.523
- UTC End
- 2023-09-25 06:01:05.523
- MJD Start
- 60212.25001763
- MJD End
- 60212.2507583707
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00521
- Ambient temperature (°C)
- 16.77
- Seeing (arcsec)
- 0.745
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 | 47.5760 | 47.5840 | 2.2000 | 2.5000 |
| U1-U3 | 82.1740 | 82.2290 | 8.3000 | 8.6000 |
| U1-U4 | 85.9890 | 86.3990 | 43.2210 | 43.5240 |
| U2-U3 | 35.2250 | 35.2780 | 16.5000 | 16.8000 |
| U2-U4 | 59.0140 | 59.4110 | 75.1600 | 75.2760 |
| U3-U4 | 50.6120 | 50.8190 | 111.6410 | 111.5630 |
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 | 60212.25001763 |
| 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 | 47.576 |
| HIERARCH ESO ISS PBL12 END | 47.584 |
| HIERARCH ESO ISS PBLA12 START | 2.2 |
| HIERARCH ESO ISS PBLA12 END | 2.5 |
| HIERARCH ESO ISS PBL13 START | 82.174 |
| HIERARCH ESO ISS PBL13 END | 82.229 |
| HIERARCH ESO ISS PBLA13 START | 8.3 |
| HIERARCH ESO ISS PBLA13 END | 8.6 |
| HIERARCH ESO ISS PBL14 START | 85.989 |
| HIERARCH ESO ISS PBL14 END | 86.399 |
| HIERARCH ESO ISS PBLA14 START | 43.221 |
| HIERARCH ESO ISS PBLA14 END | 43.524 |
| HIERARCH ESO ISS PBL23 START | 35.225 |
| HIERARCH ESO ISS PBL23 END | 35.278 |
| HIERARCH ESO ISS PBLA23 START | 16.5 |
| HIERARCH ESO ISS PBLA23 END | 16.8 |
| HIERARCH ESO ISS PBL24 START | 59.014 |
| HIERARCH ESO ISS PBL24 END | 59.411 |
| HIERARCH ESO ISS PBLA24 START | 75.16 |
| HIERARCH ESO ISS PBLA24 END | 75.276 |
| HIERARCH ESO ISS PBL34 START | 50.612 |
| HIERARCH ESO ISS PBL34 END | 50.819 |
| HIERARCH ESO ISS PBLA34 START | 111.641 |
| HIERARCH ESO ISS PBLA34 END | 111.563 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004663 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005757 |
| HIERARCH ESO ISS AMBI TEMP | 16.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |