Exposure
- ID
- GRAVI.2024-12-18T03:36:58.099_2
- Header ID
- GRAVI.2024-12-18T03:36:58.099
- Date updated
- 2024-12-18 03:50:32 UTC+0000
- Release date
- 2025-06-16 03:50:31 UTC+0000
- UTC Start
- 2024-12-18 03:36:58.099
- UTC End
- 2024-12-18 03:42:58.099
- MJD Start
- 60662.15067244
- MJD End
- 60662.15483910667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0097745
- Ambient temperature (°C)
- 14.94
- Seeing (arcsec)
- 0.56
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 | 53.4140 | 53.6480 | 28.3000 | 28.8000 |
| U1-U3 | 97.5170 | 97.9880 | 34.8000 | 35.3000 |
| U1-U4 | 128.4140 | 128.8900 | 62.4410 | 62.6160 |
| U2-U3 | 44.8620 | 45.0870 | 42.6000 | 43.0000 |
| U2-U4 | 89.3800 | 89.4270 | 82.0370 | 82.1060 |
| U3-U4 | 61.6970 | 61.4290 | 109.5380 | 109.6910 |
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 | 60662.15067244 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.40309 |
| DEC | -2.4742 |
| 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 | 53.414 |
| HIERARCH ESO ISS PBL12 END | 53.648 |
| HIERARCH ESO ISS PBLA12 START | 28.3 |
| HIERARCH ESO ISS PBLA12 END | 28.8 |
| HIERARCH ESO ISS PBL13 START | 97.517 |
| HIERARCH ESO ISS PBL13 END | 97.988 |
| HIERARCH ESO ISS PBLA13 START | 34.8 |
| HIERARCH ESO ISS PBLA13 END | 35.3 |
| HIERARCH ESO ISS PBL14 START | 128.414 |
| HIERARCH ESO ISS PBL14 END | 128.89 |
| HIERARCH ESO ISS PBLA14 START | 62.441 |
| HIERARCH ESO ISS PBLA14 END | 62.616 |
| HIERARCH ESO ISS PBL23 START | 44.862 |
| HIERARCH ESO ISS PBL23 END | 45.087 |
| HIERARCH ESO ISS PBLA23 START | 42.6 |
| HIERARCH ESO ISS PBLA23 END | 43.0 |
| HIERARCH ESO ISS PBL24 START | 89.38 |
| HIERARCH ESO ISS PBL24 END | 89.427 |
| HIERARCH ESO ISS PBLA24 START | 82.037 |
| HIERARCH ESO ISS PBLA24 END | 82.106 |
| HIERARCH ESO ISS PBL34 START | 61.697 |
| HIERARCH ESO ISS PBL34 END | 61.429 |
| HIERARCH ESO ISS PBLA34 START | 109.538 |
| HIERARCH ESO ISS PBLA34 END | 109.691 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009301 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010248 |
| HIERARCH ESO ISS AMBI TEMP | 14.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |