Exposure
- ID
- GRAVI.2023-09-01T08:49:43.876_2
- Header ID
- GRAVI.2023-09-01T08:49:43.876
- Date updated
- 2023-09-01 09:05:19 UTC+0000
- Release date
- 2024-02-28 09:05:19 UTC+0000
- UTC Start
- 2023-09-01 08:49:43.876
- UTC End
- 2023-09-01 08:56:23.876
- MJD Start
- 60188.36786894
- MJD End
- 60188.3724985696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035865
- Ambient temperature (°C)
- 10.77
- Seeing (arcsec)
- 1.03
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 | 49.0050 | 49.2260 | 14.5000 | 15.6000 |
| U1-U3 | 87.1300 | 87.7430 | 21.6000 | 22.7000 |
| U1-U4 | 107.5850 | 109.3890 | 55.0560 | 55.7870 |
| U2-U3 | 38.9730 | 39.3710 | 30.5000 | 31.6000 |
| U2-U4 | 77.2190 | 78.5340 | 79.4200 | 79.6730 |
| U3-U4 | 59.3540 | 59.8900 | 109.0670 | 108.9630 |
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 | 60188.36786894 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.40258 |
| DEC | -2.47425 |
| 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 | 49.005 |
| HIERARCH ESO ISS PBL12 END | 49.226 |
| HIERARCH ESO ISS PBLA12 START | 14.5 |
| HIERARCH ESO ISS PBLA12 END | 15.6 |
| HIERARCH ESO ISS PBL13 START | 87.13 |
| HIERARCH ESO ISS PBL13 END | 87.743 |
| HIERARCH ESO ISS PBLA13 START | 21.6 |
| HIERARCH ESO ISS PBLA13 END | 22.7 |
| HIERARCH ESO ISS PBL14 START | 107.585 |
| HIERARCH ESO ISS PBL14 END | 109.389 |
| HIERARCH ESO ISS PBLA14 START | 55.056 |
| HIERARCH ESO ISS PBLA14 END | 55.787 |
| HIERARCH ESO ISS PBL23 START | 38.973 |
| HIERARCH ESO ISS PBL23 END | 39.371 |
| HIERARCH ESO ISS PBLA23 START | 30.5 |
| HIERARCH ESO ISS PBLA23 END | 31.6 |
| HIERARCH ESO ISS PBL24 START | 77.219 |
| HIERARCH ESO ISS PBL24 END | 78.534 |
| HIERARCH ESO ISS PBLA24 START | 79.42 |
| HIERARCH ESO ISS PBLA24 END | 79.673 |
| HIERARCH ESO ISS PBL34 START | 59.354 |
| HIERARCH ESO ISS PBL34 END | 59.89 |
| HIERARCH ESO ISS PBLA34 START | 109.067 |
| HIERARCH ESO ISS PBLA34 END | 108.963 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003735 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003438 |
| HIERARCH ESO ISS AMBI TEMP | 10.77 |
| HIERARCH ESO ISS AMBI FWHM START | 1.11 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |