Exposure
- ID
- GRAVI.2023-09-25T06:48:43.646_2
- Header ID
- GRAVI.2023-09-25T06:48:43.646
- Date updated
- 2023-09-25 07:05:19 UTC+0000
- Release date
- 2024-03-23 07:05:19 UTC+0000
- UTC Start
- 2023-09-25 06:48:43.646
- UTC End
- 2023-09-25 06:55:23.646
- MJD Start
- 60212.2838385
- MJD End
- 60212.2884681296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006838
- Ambient temperature (°C)
- 16.28
- Seeing (arcsec)
- 0.59
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 | 48.2800 | 48.4480 | 10.4000 | 11.5000 |
| U1-U3 | 84.9760 | 85.5030 | 17.3000 | 18.4000 |
| U1-U4 | 100.2640 | 102.2250 | 51.7800 | 52.7130 |
| U2-U3 | 37.4960 | 37.8710 | 26.2000 | 27.4000 |
| U2-U4 | 71.5750 | 73.1350 | 78.2830 | 78.6100 |
| U3-U4 | 56.8610 | 57.5760 | 109.6510 | 109.4700 |
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 | 60212.2838385 |
| 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 | 48.28 |
| HIERARCH ESO ISS PBL12 END | 48.448 |
| HIERARCH ESO ISS PBLA12 START | 10.4 |
| HIERARCH ESO ISS PBLA12 END | 11.5 |
| HIERARCH ESO ISS PBL13 START | 84.976 |
| HIERARCH ESO ISS PBL13 END | 85.503 |
| HIERARCH ESO ISS PBLA13 START | 17.3 |
| HIERARCH ESO ISS PBLA13 END | 18.4 |
| HIERARCH ESO ISS PBL14 START | 100.264 |
| HIERARCH ESO ISS PBL14 END | 102.225 |
| HIERARCH ESO ISS PBLA14 START | 51.78 |
| HIERARCH ESO ISS PBLA14 END | 52.713 |
| HIERARCH ESO ISS PBL23 START | 37.496 |
| HIERARCH ESO ISS PBL23 END | 37.871 |
| HIERARCH ESO ISS PBLA23 START | 26.2 |
| HIERARCH ESO ISS PBLA23 END | 27.4 |
| HIERARCH ESO ISS PBL24 START | 71.575 |
| HIERARCH ESO ISS PBL24 END | 73.135 |
| HIERARCH ESO ISS PBLA24 START | 78.283 |
| HIERARCH ESO ISS PBLA24 END | 78.61 |
| HIERARCH ESO ISS PBL34 START | 56.861 |
| HIERARCH ESO ISS PBL34 END | 57.576 |
| HIERARCH ESO ISS PBLA34 START | 109.651 |
| HIERARCH ESO ISS PBLA34 END | 109.47 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006651 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007025 |
| HIERARCH ESO ISS AMBI TEMP | 16.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| 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 |