Exposure
- ID
- GRAVI.2024-12-18T02:30:36.930_2
- Header ID
- GRAVI.2024-12-18T02:30:36.930
- Date updated
- 2024-12-18 02:50:30 UTC+0000
- Release date
- 2025-06-16 02:50:30 UTC+0000
- UTC Start
- 2024-12-18 02:30:36.930
- UTC End
- 2024-12-18 02:36:36.930
- MJD Start
- 60662.1045941
- MJD End
- 60662.10876076666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007927
- Ambient temperature (°C)
- 15.82
- Seeing (arcsec)
- 0.605
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 | 50.7450 | 50.9890 | 21.2000 | 22.0000 |
| U1-U3 | 91.6120 | 92.1930 | 28.3000 | 29.0000 |
| U1-U4 | 118.8960 | 120.0900 | 59.2710 | 59.6740 |
| U2-U3 | 41.7220 | 42.0550 | 36.9000 | 37.6000 |
| U2-U4 | 84.8970 | 85.6110 | 80.8840 | 81.0260 |
| U3-U4 | 62.0480 | 62.2120 | 108.7170 | 108.7300 |
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 | 60662.1045941 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403013 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 50.745 |
| HIERARCH ESO ISS PBL12 END | 50.989 |
| HIERARCH ESO ISS PBLA12 START | 21.2 |
| HIERARCH ESO ISS PBLA12 END | 22.0 |
| HIERARCH ESO ISS PBL13 START | 91.612 |
| HIERARCH ESO ISS PBL13 END | 92.193 |
| HIERARCH ESO ISS PBLA13 START | 28.3 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 118.896 |
| HIERARCH ESO ISS PBL14 END | 120.09 |
| HIERARCH ESO ISS PBLA14 START | 59.271 |
| HIERARCH ESO ISS PBLA14 END | 59.674 |
| HIERARCH ESO ISS PBL23 START | 41.722 |
| HIERARCH ESO ISS PBL23 END | 42.055 |
| HIERARCH ESO ISS PBLA23 START | 36.9 |
| HIERARCH ESO ISS PBLA23 END | 37.6 |
| HIERARCH ESO ISS PBL24 START | 84.897 |
| HIERARCH ESO ISS PBL24 END | 85.611 |
| HIERARCH ESO ISS PBLA24 START | 80.884 |
| HIERARCH ESO ISS PBLA24 END | 81.026 |
| HIERARCH ESO ISS PBL34 START | 62.048 |
| HIERARCH ESO ISS PBL34 END | 62.212 |
| HIERARCH ESO ISS PBLA34 START | 108.717 |
| HIERARCH ESO ISS PBLA34 END | 108.73 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008223 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007631 |
| HIERARCH ESO ISS AMBI TEMP | 15.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |