Exposure
- ID
- GRAVI.2024-12-18T05:00:40.312_2
- Header ID
- GRAVI.2024-12-18T05:00:40.312
- Date updated
- 2024-12-18 05:10:34 UTC+0000
- Release date
- 2025-06-16 05:10:34 UTC+0000
- UTC Start
- 2024-12-18 05:00:40.312
- UTC End
- 2024-12-18 05:01:09.112
- MJD Start
- 60662.20879991
- MJD End
- 60662.20913324333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007264
- Ambient temperature (°C)
- 14.76
- Seeing (arcsec)
- 0.36
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 | 55.9660 | 55.9800 | 33.6000 | 33.7000 |
| U1-U3 | 102.0270 | 102.0450 | 39.2000 | 39.2000 |
| U1-U4 | 128.5410 | 128.4810 | 63.3690 | 63.3630 |
| U2-U3 | 46.6310 | 46.6330 | 45.8000 | 45.8000 |
| U2-U4 | 84.6120 | 84.5200 | 82.5090 | 82.5090 |
| U3-U4 | 54.8480 | 54.7600 | 113.0590 | 113.1060 |
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 | 60662.20879991 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402934 |
| DEC | -2.47389 |
| 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 | 55.966 |
| HIERARCH ESO ISS PBL12 END | 55.98 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 102.027 |
| HIERARCH ESO ISS PBL13 END | 102.045 |
| HIERARCH ESO ISS PBLA13 START | 39.2 |
| HIERARCH ESO ISS PBLA13 END | 39.2 |
| HIERARCH ESO ISS PBL14 START | 128.541 |
| HIERARCH ESO ISS PBL14 END | 128.481 |
| HIERARCH ESO ISS PBLA14 START | 63.369 |
| HIERARCH ESO ISS PBLA14 END | 63.363 |
| HIERARCH ESO ISS PBL23 START | 46.631 |
| HIERARCH ESO ISS PBL23 END | 46.633 |
| HIERARCH ESO ISS PBLA23 START | 45.8 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 84.612 |
| HIERARCH ESO ISS PBL24 END | 84.52 |
| HIERARCH ESO ISS PBLA24 START | 82.509 |
| HIERARCH ESO ISS PBLA24 END | 82.509 |
| HIERARCH ESO ISS PBL34 START | 54.848 |
| HIERARCH ESO ISS PBL34 END | 54.76 |
| HIERARCH ESO ISS PBLA34 START | 113.059 |
| HIERARCH ESO ISS PBLA34 END | 113.106 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006877 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007651 |
| HIERARCH ESO ISS AMBI TEMP | 14.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |