Exposure
- ID
- GRAVI.2023-09-01T07:52:58.732_2
- Header ID
- GRAVI.2023-09-01T07:52:58.732
- Date updated
- 2023-09-01 08:00:40 UTC+0000
- Release date
- 2024-02-28 08:00:40 UTC+0000
- UTC Start
- 2023-09-01 07:52:58.732
- UTC End
- 2023-09-01 07:54:02.732
- MJD Start
- 60188.32845755
- MJD End
- 60188.3291982907
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005349
- Ambient temperature (°C)
- 11.7
- Seeing (arcsec)
- 0.72
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 | 47.7400 | 47.7580 | 5.4000 | 5.6000 |
| U1-U3 | 83.0340 | 83.1100 | 11.8000 | 12.1000 |
| U1-U4 | 91.4650 | 91.8800 | 46.9430 | 47.1980 |
| U2-U3 | 35.9990 | 36.0630 | 20.4000 | 20.7000 |
| U2-U4 | 64.1130 | 64.4830 | 76.5520 | 76.6450 |
| U3-U4 | 53.2350 | 53.4220 | 110.7150 | 110.6540 |
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 | 60188.32845755 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402503 |
| DEC | -2.47399 |
| 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 | 47.74 |
| HIERARCH ESO ISS PBL12 END | 47.758 |
| HIERARCH ESO ISS PBLA12 START | 5.4 |
| HIERARCH ESO ISS PBLA12 END | 5.6 |
| HIERARCH ESO ISS PBL13 START | 83.034 |
| HIERARCH ESO ISS PBL13 END | 83.11 |
| HIERARCH ESO ISS PBLA13 START | 11.8 |
| HIERARCH ESO ISS PBLA13 END | 12.1 |
| HIERARCH ESO ISS PBL14 START | 91.465 |
| HIERARCH ESO ISS PBL14 END | 91.88 |
| HIERARCH ESO ISS PBLA14 START | 46.943 |
| HIERARCH ESO ISS PBLA14 END | 47.198 |
| HIERARCH ESO ISS PBL23 START | 35.999 |
| HIERARCH ESO ISS PBL23 END | 36.063 |
| HIERARCH ESO ISS PBLA23 START | 20.4 |
| HIERARCH ESO ISS PBLA23 END | 20.7 |
| HIERARCH ESO ISS PBL24 START | 64.113 |
| HIERARCH ESO ISS PBL24 END | 64.483 |
| HIERARCH ESO ISS PBLA24 START | 76.552 |
| HIERARCH ESO ISS PBLA24 END | 76.645 |
| HIERARCH ESO ISS PBL34 START | 53.235 |
| HIERARCH ESO ISS PBL34 END | 53.422 |
| HIERARCH ESO ISS PBLA34 START | 110.715 |
| HIERARCH ESO ISS PBLA34 END | 110.654 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005349 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005349 |
| HIERARCH ESO ISS AMBI TEMP | 11.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |