Exposure
- ID
- GRAVI.2023-08-30T08:38:10.800_2
- Header ID
- GRAVI.2023-08-30T08:38:10.800
- Date updated
- 2023-08-30 08:55:34 UTC+0000
- Release date
- 2024-02-26 08:55:34 UTC+0000
- UTC Start
- 2023-08-30 08:38:10.800
- UTC End
- 2023-08-30 08:44:50.800
- MJD Start
- 60186.35984722
- MJD End
- 60186.3644768496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027315
- Ambient temperature (°C)
- 11.87
- Seeing (arcsec)
- 1.325
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 | 48.4560 | 48.6400 | 11.5000 | 12.6000 |
| U1-U3 | 85.5250 | 86.0800 | 18.5000 | 19.6000 |
| U1-U4 | 102.3010 | 104.2310 | 52.7460 | 53.6220 |
| U2-U3 | 37.8860 | 38.2700 | 27.4000 | 28.6000 |
| U2-U4 | 73.1940 | 74.6930 | 78.6200 | 78.9250 |
| U3-U4 | 57.6020 | 58.2720 | 109.4620 | 109.3030 |
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 | 60186.35984722 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.402543 |
| DEC | -2.47407 |
| 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 | 48.456 |
| HIERARCH ESO ISS PBL12 END | 48.64 |
| HIERARCH ESO ISS PBLA12 START | 11.5 |
| HIERARCH ESO ISS PBLA12 END | 12.6 |
| HIERARCH ESO ISS PBL13 START | 85.525 |
| HIERARCH ESO ISS PBL13 END | 86.08 |
| HIERARCH ESO ISS PBLA13 START | 18.5 |
| HIERARCH ESO ISS PBLA13 END | 19.6 |
| HIERARCH ESO ISS PBL14 START | 102.301 |
| HIERARCH ESO ISS PBL14 END | 104.231 |
| HIERARCH ESO ISS PBLA14 START | 52.746 |
| HIERARCH ESO ISS PBLA14 END | 53.622 |
| HIERARCH ESO ISS PBL23 START | 37.886 |
| HIERARCH ESO ISS PBL23 END | 38.27 |
| HIERARCH ESO ISS PBLA23 START | 27.4 |
| HIERARCH ESO ISS PBLA23 END | 28.6 |
| HIERARCH ESO ISS PBL24 START | 73.194 |
| HIERARCH ESO ISS PBL24 END | 74.693 |
| HIERARCH ESO ISS PBLA24 START | 78.62 |
| HIERARCH ESO ISS PBLA24 END | 78.925 |
| HIERARCH ESO ISS PBL34 START | 57.602 |
| HIERARCH ESO ISS PBL34 END | 58.272 |
| HIERARCH ESO ISS PBLA34 START | 109.462 |
| HIERARCH ESO ISS PBLA34 END | 109.303 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002659 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002804 |
| HIERARCH ESO ISS AMBI TEMP | 11.87 |
| HIERARCH ESO ISS AMBI FWHM START | 1.16 |
| HIERARCH ESO ISS AMBI FWHM END | 1.49 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |