Exposure
- ID
- GRAVI.2024-12-18T02:22:06.908_2
- Header ID
- GRAVI.2024-12-18T02:22:06.908
- Date updated
- 2024-12-18 02:30:31 UTC+0000
- Release date
- 2025-06-16 02:30:31 UTC+0000
- UTC Start
- 2024-12-18 02:22:06.908
- UTC End
- 2024-12-18 02:22:35.708
- MJD Start
- 60662.09869107
- MJD End
- 60662.09902440333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044795
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.62
Observation
- ID
- 62701
- Category
- science
- Program ID
- 111.24MN.004
- 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
- 46641
- Name
- 51Eri
- RA
- 69.40055416666667
- DEC
- -2.473548611111111
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 | 50.4140 | 50.4420 | 20.1000 | 20.2000 |
| U1-U3 | 90.8080 | 90.8770 | 27.3000 | 27.3000 |
| U1-U4 | 117.1530 | 117.3090 | 58.6710 | 58.7250 |
| U2-U3 | 41.2540 | 41.2950 | 35.9000 | 36.0000 |
| U2-U4 | 83.8140 | 83.9120 | 80.6740 | 80.6930 |
| U3-U4 | 61.7560 | 61.7840 | 108.7180 | 108.7170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60662.09869107 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402993 |
| DEC | -2.47414 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 50.414 |
| HIERARCH ESO ISS PBL12 END | 50.442 |
| HIERARCH ESO ISS PBLA12 START | 20.1 |
| HIERARCH ESO ISS PBLA12 END | 20.2 |
| HIERARCH ESO ISS PBL13 START | 90.808 |
| HIERARCH ESO ISS PBL13 END | 90.877 |
| HIERARCH ESO ISS PBLA13 START | 27.3 |
| HIERARCH ESO ISS PBLA13 END | 27.3 |
| HIERARCH ESO ISS PBL14 START | 117.153 |
| HIERARCH ESO ISS PBL14 END | 117.309 |
| HIERARCH ESO ISS PBLA14 START | 58.671 |
| HIERARCH ESO ISS PBLA14 END | 58.725 |
| HIERARCH ESO ISS PBL23 START | 41.254 |
| HIERARCH ESO ISS PBL23 END | 41.295 |
| HIERARCH ESO ISS PBLA23 START | 35.9 |
| HIERARCH ESO ISS PBLA23 END | 36.0 |
| HIERARCH ESO ISS PBL24 START | 83.814 |
| HIERARCH ESO ISS PBL24 END | 83.912 |
| HIERARCH ESO ISS PBLA24 START | 80.674 |
| HIERARCH ESO ISS PBLA24 END | 80.693 |
| HIERARCH ESO ISS PBL34 START | 61.756 |
| HIERARCH ESO ISS PBL34 END | 61.784 |
| HIERARCH ESO ISS PBLA34 START | 108.718 |
| HIERARCH ESO ISS PBLA34 END | 108.717 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004619 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00434 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |