Exposure
- ID
- GRAVI.2023-09-01T07:57:07.743_2
- Header ID
- GRAVI.2023-09-01T07:57:07.743
- Date updated
- 2023-09-01 08:05:27 UTC+0000
- Release date
- 2024-02-28 08:05:27 UTC+0000
- UTC Start
- 2023-09-01 07:57:07.743
- UTC End
- 2023-09-01 07:58:11.743
- MJD Start
- 60188.33133962
- MJD End
- 60188.3320803607
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050105
- Ambient temperature (°C)
- 11.47
- Seeing (arcsec)
- 0.69
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 | 47.7950 | 47.8150 | 6.1000 | 6.3000 |
| U1-U3 | 83.2630 | 83.3430 | 12.6000 | 12.9000 |
| U1-U4 | 92.6880 | 93.1010 | 47.6880 | 47.9350 |
| U2-U3 | 36.1890 | 36.2540 | 21.2000 | 21.5000 |
| U2-U4 | 65.1990 | 65.5620 | 76.8240 | 76.9130 |
| U3-U4 | 53.7800 | 53.9620 | 110.5390 | 110.4820 |
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 | 60188.33133962 |
| 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 | 47.795 |
| HIERARCH ESO ISS PBL12 END | 47.815 |
| HIERARCH ESO ISS PBLA12 START | 6.1 |
| HIERARCH ESO ISS PBLA12 END | 6.3 |
| HIERARCH ESO ISS PBL13 START | 83.263 |
| HIERARCH ESO ISS PBL13 END | 83.343 |
| HIERARCH ESO ISS PBLA13 START | 12.6 |
| HIERARCH ESO ISS PBLA13 END | 12.9 |
| HIERARCH ESO ISS PBL14 START | 92.688 |
| HIERARCH ESO ISS PBL14 END | 93.101 |
| HIERARCH ESO ISS PBLA14 START | 47.688 |
| HIERARCH ESO ISS PBLA14 END | 47.935 |
| HIERARCH ESO ISS PBL23 START | 36.189 |
| HIERARCH ESO ISS PBL23 END | 36.254 |
| HIERARCH ESO ISS PBLA23 START | 21.2 |
| HIERARCH ESO ISS PBLA23 END | 21.5 |
| HIERARCH ESO ISS PBL24 START | 65.199 |
| HIERARCH ESO ISS PBL24 END | 65.562 |
| HIERARCH ESO ISS PBLA24 START | 76.824 |
| HIERARCH ESO ISS PBLA24 END | 76.913 |
| HIERARCH ESO ISS PBL34 START | 53.78 |
| HIERARCH ESO ISS PBL34 END | 53.962 |
| HIERARCH ESO ISS PBLA34 START | 110.539 |
| HIERARCH ESO ISS PBLA34 END | 110.482 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005171 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00485 |
| HIERARCH ESO ISS AMBI TEMP | 11.47 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |