Exposure
- ID
- GRAVI.2023-09-01T08:26:28.817_2
- Header ID
- GRAVI.2023-09-01T08:26:28.817
- Date updated
- 2023-09-01 08:40:30 UTC+0000
- Release date
- 2024-02-28 08:40:30 UTC+0000
- UTC Start
- 2023-09-01 08:26:28.817
- UTC End
- 2023-09-01 08:33:08.817
- MJD Start
- 60188.35172242
- MJD End
- 60188.3563520496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003985
- Ambient temperature (°C)
- 11.52
- Seeing (arcsec)
- 1.15
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 | 48.3600 | 48.5390 | 10.9000 | 12.0000 |
| U1-U3 | 85.2290 | 85.7770 | 17.8000 | 19.0000 |
| U1-U4 | 101.2210 | 103.1930 | 52.2370 | 53.1550 |
| U2-U3 | 37.6770 | 38.0620 | 26.7000 | 27.9000 |
| U2-U4 | 72.3410 | 73.8920 | 78.4410 | 78.7610 |
| U3-U4 | 57.2140 | 57.9160 | 109.5570 | 109.3850 |
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 | 60188.35172242 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.402545 |
| DEC | -2.47403 |
| 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 | 48.36 |
| HIERARCH ESO ISS PBL12 END | 48.539 |
| HIERARCH ESO ISS PBLA12 START | 10.9 |
| HIERARCH ESO ISS PBLA12 END | 12.0 |
| HIERARCH ESO ISS PBL13 START | 85.229 |
| HIERARCH ESO ISS PBL13 END | 85.777 |
| HIERARCH ESO ISS PBLA13 START | 17.8 |
| HIERARCH ESO ISS PBLA13 END | 19.0 |
| HIERARCH ESO ISS PBL14 START | 101.221 |
| HIERARCH ESO ISS PBL14 END | 103.193 |
| HIERARCH ESO ISS PBLA14 START | 52.237 |
| HIERARCH ESO ISS PBLA14 END | 53.155 |
| HIERARCH ESO ISS PBL23 START | 37.677 |
| HIERARCH ESO ISS PBL23 END | 38.062 |
| HIERARCH ESO ISS PBLA23 START | 26.7 |
| HIERARCH ESO ISS PBLA23 END | 27.9 |
| HIERARCH ESO ISS PBL24 START | 72.341 |
| HIERARCH ESO ISS PBL24 END | 73.892 |
| HIERARCH ESO ISS PBLA24 START | 78.441 |
| HIERARCH ESO ISS PBLA24 END | 78.761 |
| HIERARCH ESO ISS PBL34 START | 57.214 |
| HIERARCH ESO ISS PBL34 END | 57.916 |
| HIERARCH ESO ISS PBLA34 START | 109.557 |
| HIERARCH ESO ISS PBLA34 END | 109.385 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004521 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003449 |
| HIERARCH ESO ISS AMBI TEMP | 11.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 1.58 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |