Exposure
- ID
- GRAVI.2024-12-18T04:46:28.276_2
- Header ID
- GRAVI.2024-12-18T04:46:28.276
- Date updated
- 2024-12-18 05:00:36 UTC+0000
- Release date
- 2025-06-16 05:00:36 UTC+0000
- UTC Start
- 2024-12-18 04:46:28.276
- UTC End
- 2024-12-18 04:52:28.276
- MJD Start
- 60662.19893838
- MJD End
- 60662.20310504667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008054
- Ambient temperature (°C)
- 14.96
- Seeing (arcsec)
- 0.46499999999999997
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 | 55.6540 | 55.7960 | 33.0000 | 33.3000 |
| U1-U3 | 101.5930 | 101.7990 | 38.7000 | 38.9000 |
| U1-U4 | 129.4960 | 129.1320 | 63.4300 | 63.4150 |
| U2-U3 | 46.5430 | 46.5920 | 45.5000 | 45.7000 |
| U2-U4 | 86.2320 | 85.5720 | 82.5010 | 82.5090 |
| U3-U4 | 56.4710 | 55.7910 | 112.2120 | 112.5630 |
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 | 60662.19893838 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402922 |
| DEC | -2.47388 |
| 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 | 55.654 |
| HIERARCH ESO ISS PBL12 END | 55.796 |
| HIERARCH ESO ISS PBLA12 START | 33.0 |
| HIERARCH ESO ISS PBLA12 END | 33.3 |
| HIERARCH ESO ISS PBL13 START | 101.593 |
| HIERARCH ESO ISS PBL13 END | 101.799 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 129.496 |
| HIERARCH ESO ISS PBL14 END | 129.132 |
| HIERARCH ESO ISS PBLA14 START | 63.43 |
| HIERARCH ESO ISS PBLA14 END | 63.415 |
| HIERARCH ESO ISS PBL23 START | 46.543 |
| HIERARCH ESO ISS PBL23 END | 46.592 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 45.7 |
| HIERARCH ESO ISS PBL24 START | 86.232 |
| HIERARCH ESO ISS PBL24 END | 85.572 |
| HIERARCH ESO ISS PBLA24 START | 82.501 |
| HIERARCH ESO ISS PBLA24 END | 82.509 |
| HIERARCH ESO ISS PBL34 START | 56.471 |
| HIERARCH ESO ISS PBL34 END | 55.791 |
| HIERARCH ESO ISS PBLA34 START | 112.212 |
| HIERARCH ESO ISS PBLA34 END | 112.563 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007244 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008864 |
| HIERARCH ESO ISS AMBI TEMP | 14.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |