Exposure
- ID
- GRAVI.2023-09-01T08:18:01.796_2
- Header ID
- GRAVI.2023-09-01T08:18:01.796
- Date updated
- 2023-09-01 08:30:33 UTC+0000
- Release date
- 2024-02-28 08:30:33 UTC+0000
- UTC Start
- 2023-09-01 08:18:01.796
- UTC End
- 2023-09-01 08:24:41.796
- MJD Start
- 60188.34585412
- MJD End
- 60188.3504837496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046065
- Ambient temperature (°C)
- 11.39
- Seeing (arcsec)
- 0.71
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 | 48.1680 | 48.3270 | 9.5000 | 10.7000 |
| U1-U3 | 84.6080 | 85.1230 | 16.4000 | 17.6000 |
| U1-U4 | 98.8120 | 100.8240 | 51.0550 | 52.0480 |
| U2-U3 | 37.2280 | 37.6020 | 25.2000 | 26.5000 |
| U2-U4 | 70.3970 | 72.0240 | 78.0270 | 78.3750 |
| U3-U4 | 56.3090 | 57.0680 | 109.7950 | 109.5950 |
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 | 60188.34585412 |
| 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 | 48.168 |
| HIERARCH ESO ISS PBL12 END | 48.327 |
| HIERARCH ESO ISS PBLA12 START | 9.5 |
| HIERARCH ESO ISS PBLA12 END | 10.7 |
| HIERARCH ESO ISS PBL13 START | 84.608 |
| HIERARCH ESO ISS PBL13 END | 85.123 |
| HIERARCH ESO ISS PBLA13 START | 16.4 |
| HIERARCH ESO ISS PBLA13 END | 17.6 |
| HIERARCH ESO ISS PBL14 START | 98.812 |
| HIERARCH ESO ISS PBL14 END | 100.824 |
| HIERARCH ESO ISS PBLA14 START | 51.055 |
| HIERARCH ESO ISS PBLA14 END | 52.048 |
| HIERARCH ESO ISS PBL23 START | 37.228 |
| HIERARCH ESO ISS PBL23 END | 37.602 |
| HIERARCH ESO ISS PBLA23 START | 25.2 |
| HIERARCH ESO ISS PBLA23 END | 26.5 |
| HIERARCH ESO ISS PBL24 START | 70.397 |
| HIERARCH ESO ISS PBL24 END | 72.024 |
| HIERARCH ESO ISS PBLA24 START | 78.027 |
| HIERARCH ESO ISS PBLA24 END | 78.375 |
| HIERARCH ESO ISS PBL34 START | 56.309 |
| HIERARCH ESO ISS PBL34 END | 57.068 |
| HIERARCH ESO ISS PBLA34 START | 109.795 |
| HIERARCH ESO ISS PBLA34 END | 109.595 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004819 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004394 |
| HIERARCH ESO ISS AMBI TEMP | 11.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |