Exposure
- ID
- GRAVI.2023-08-30T08:45:58.820_2
- Header ID
- GRAVI.2023-08-30T08:45:58.820
- Date updated
- 2023-08-30 09:05:27 UTC+0000
- Release date
- 2024-02-26 09:05:27 UTC+0000
- UTC Start
- 2023-08-30 08:45:58.820
- UTC End
- 2023-08-30 08:52:38.820
- MJD Start
- 60186.36526412
- MJD End
- 60186.3698937496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029745
- Ambient temperature (°C)
- 11.57
- Seeing (arcsec)
- 1.32
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 | 48.6630 | 48.8640 | 12.7000 | 13.8000 |
| U1-U3 | 86.1490 | 86.7320 | 19.8000 | 20.9000 |
| U1-U4 | 104.4620 | 106.3540 | 53.7240 | 54.5430 |
| U2-U3 | 38.3170 | 38.7100 | 28.7000 | 29.8000 |
| U2-U4 | 74.8710 | 76.3040 | 78.9600 | 79.2440 |
| U3-U4 | 58.3500 | 58.9700 | 109.2850 | 109.1490 |
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 | 60186.36526412 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.402543 |
| DEC | -2.47407 |
| 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 | 48.663 |
| HIERARCH ESO ISS PBL12 END | 48.864 |
| HIERARCH ESO ISS PBLA12 START | 12.7 |
| HIERARCH ESO ISS PBLA12 END | 13.8 |
| HIERARCH ESO ISS PBL13 START | 86.149 |
| HIERARCH ESO ISS PBL13 END | 86.732 |
| HIERARCH ESO ISS PBLA13 START | 19.8 |
| HIERARCH ESO ISS PBLA13 END | 20.9 |
| HIERARCH ESO ISS PBL14 START | 104.462 |
| HIERARCH ESO ISS PBL14 END | 106.354 |
| HIERARCH ESO ISS PBLA14 START | 53.724 |
| HIERARCH ESO ISS PBLA14 END | 54.543 |
| HIERARCH ESO ISS PBL23 START | 38.317 |
| HIERARCH ESO ISS PBL23 END | 38.71 |
| HIERARCH ESO ISS PBLA23 START | 28.7 |
| HIERARCH ESO ISS PBLA23 END | 29.8 |
| HIERARCH ESO ISS PBL24 START | 74.871 |
| HIERARCH ESO ISS PBL24 END | 76.304 |
| HIERARCH ESO ISS PBLA24 START | 78.96 |
| HIERARCH ESO ISS PBLA24 END | 79.244 |
| HIERARCH ESO ISS PBL34 START | 58.35 |
| HIERARCH ESO ISS PBL34 END | 58.97 |
| HIERARCH ESO ISS PBLA34 START | 109.285 |
| HIERARCH ESO ISS PBLA34 END | 109.149 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002908 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003041 |
| HIERARCH ESO ISS AMBI TEMP | 11.57 |
| HIERARCH ESO ISS AMBI FWHM START | 1.16 |
| HIERARCH ESO ISS AMBI FWHM END | 1.48 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |