Exposure
- ID
- GRAVI.2023-09-25T05:56:16.513_2
- Header ID
- GRAVI.2023-09-25T05:56:16.513
- Date updated
- 2023-09-25 06:05:23 UTC+0000
- Release date
- 2024-03-23 06:05:23 UTC+0000
- UTC Start
- 2023-09-25 05:56:16.513
- UTC End
- 2023-09-25 05:57:20.513
- MJD Start
- 60212.24741335
- MJD End
- 60212.2481540907
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052615
- Ambient temperature (°C)
- 16.73
- Seeing (arcsec)
- 0.715
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 | 47.5600 | 47.5650 | 1.6000 | 1.8000 |
| U1-U3 | 82.0360 | 82.0860 | 7.5000 | 7.8000 |
| U1-U4 | 84.8900 | 85.2970 | 42.3840 | 42.6990 |
| U2-U3 | 35.0850 | 35.1360 | 15.7000 | 16.0000 |
| U2-U4 | 57.9390 | 58.3400 | 74.8370 | 74.9590 |
| U3-U4 | 50.0460 | 50.2580 | 111.8580 | 111.7760 |
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 | 60212.24741335 |
| 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 | 47.56 |
| HIERARCH ESO ISS PBL12 END | 47.565 |
| HIERARCH ESO ISS PBLA12 START | 1.6 |
| HIERARCH ESO ISS PBLA12 END | 1.8 |
| HIERARCH ESO ISS PBL13 START | 82.036 |
| HIERARCH ESO ISS PBL13 END | 82.086 |
| HIERARCH ESO ISS PBLA13 START | 7.5 |
| HIERARCH ESO ISS PBLA13 END | 7.8 |
| HIERARCH ESO ISS PBL14 START | 84.89 |
| HIERARCH ESO ISS PBL14 END | 85.297 |
| HIERARCH ESO ISS PBLA14 START | 42.384 |
| HIERARCH ESO ISS PBLA14 END | 42.699 |
| HIERARCH ESO ISS PBL23 START | 35.085 |
| HIERARCH ESO ISS PBL23 END | 35.136 |
| HIERARCH ESO ISS PBLA23 START | 15.7 |
| HIERARCH ESO ISS PBLA23 END | 16.0 |
| HIERARCH ESO ISS PBL24 START | 57.939 |
| HIERARCH ESO ISS PBL24 END | 58.34 |
| HIERARCH ESO ISS PBLA24 START | 74.837 |
| HIERARCH ESO ISS PBLA24 END | 74.959 |
| HIERARCH ESO ISS PBL34 START | 50.046 |
| HIERARCH ESO ISS PBL34 END | 50.258 |
| HIERARCH ESO ISS PBLA34 START | 111.858 |
| HIERARCH ESO ISS PBLA34 END | 111.776 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004731 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005792 |
| HIERARCH ESO ISS AMBI TEMP | 16.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |