Exposure
- ID
- GRAVI.2023-08-30T08:29:43.779_2
- Header ID
- GRAVI.2023-08-30T08:29:43.779
- Date updated
- 2023-08-30 08:40:16 UTC+0000
- Release date
- 2024-02-26 08:40:16 UTC+0000
- UTC Start
- 2023-08-30 08:29:43.779
- UTC End
- 2023-08-30 08:30:47.779
- MJD Start
- 60186.35397892
- MJD End
- 60186.3547196607
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004323
- Ambient temperature (°C)
- 11.89
- Seeing (arcsec)
- 0.78
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 | 48.2530 | 48.2850 | 10.2000 | 10.4000 |
| U1-U3 | 84.8870 | 84.9910 | 17.1000 | 17.3000 |
| U1-U4 | 99.9200 | 100.3190 | 51.6090 | 51.8050 |
| U2-U3 | 37.4320 | 37.5070 | 25.9000 | 26.2000 |
| U2-U4 | 71.2970 | 71.6190 | 78.2220 | 78.2910 |
| U3-U4 | 56.7310 | 56.8810 | 109.6830 | 109.6440 |
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 | 60186.35397892 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402493 |
| DEC | -2.47405 |
| 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 | 48.253 |
| HIERARCH ESO ISS PBL12 END | 48.285 |
| HIERARCH ESO ISS PBLA12 START | 10.2 |
| HIERARCH ESO ISS PBLA12 END | 10.4 |
| HIERARCH ESO ISS PBL13 START | 84.887 |
| HIERARCH ESO ISS PBL13 END | 84.991 |
| HIERARCH ESO ISS PBLA13 START | 17.1 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 99.92 |
| HIERARCH ESO ISS PBL14 END | 100.319 |
| HIERARCH ESO ISS PBLA14 START | 51.609 |
| HIERARCH ESO ISS PBLA14 END | 51.805 |
| HIERARCH ESO ISS PBL23 START | 37.432 |
| HIERARCH ESO ISS PBL23 END | 37.507 |
| HIERARCH ESO ISS PBLA23 START | 25.9 |
| HIERARCH ESO ISS PBLA23 END | 26.2 |
| HIERARCH ESO ISS PBL24 START | 71.297 |
| HIERARCH ESO ISS PBL24 END | 71.619 |
| HIERARCH ESO ISS PBLA24 START | 78.222 |
| HIERARCH ESO ISS PBLA24 END | 78.291 |
| HIERARCH ESO ISS PBL34 START | 56.731 |
| HIERARCH ESO ISS PBL34 END | 56.881 |
| HIERARCH ESO ISS PBLA34 START | 109.683 |
| HIERARCH ESO ISS PBLA34 END | 109.644 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004323 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004323 |
| HIERARCH ESO ISS AMBI TEMP | 11.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |