Exposure
- ID
- GRAVI.2024-12-18T04:39:25.258_2
- Header ID
- GRAVI.2024-12-18T04:39:25.258
- Date updated
- 2024-12-18 04:55:36 UTC+0000
- Release date
- 2025-06-16 04:55:36 UTC+0000
- UTC Start
- 2024-12-18 04:39:25.258
- UTC End
- 2024-12-18 04:45:25.258
- MJD Start
- 60662.19404234
- MJD End
- 60662.19820900667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007244
- Ambient temperature (°C)
- 15.14
- Seeing (arcsec)
- 0.48
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 | 55.4790 | 55.6330 | 32.7000 | 33.0000 |
| U1-U3 | 101.3240 | 101.5610 | 38.4000 | 38.7000 |
| U1-U4 | 129.8210 | 129.5430 | 63.4270 | 63.4310 |
| U2-U3 | 46.4660 | 46.5340 | 45.4000 | 45.5000 |
| U2-U4 | 86.9140 | 86.3240 | 82.4860 | 82.5000 |
| U3-U4 | 57.2090 | 56.5670 | 111.8370 | 112.1630 |
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 | 60662.19404234 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.40292 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.479 |
| HIERARCH ESO ISS PBL12 END | 55.633 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.0 |
| HIERARCH ESO ISS PBL13 START | 101.324 |
| HIERARCH ESO ISS PBL13 END | 101.561 |
| HIERARCH ESO ISS PBLA13 START | 38.4 |
| HIERARCH ESO ISS PBLA13 END | 38.7 |
| HIERARCH ESO ISS PBL14 START | 129.821 |
| HIERARCH ESO ISS PBL14 END | 129.543 |
| HIERARCH ESO ISS PBLA14 START | 63.427 |
| HIERARCH ESO ISS PBLA14 END | 63.431 |
| HIERARCH ESO ISS PBL23 START | 46.466 |
| HIERARCH ESO ISS PBL23 END | 46.534 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 45.5 |
| HIERARCH ESO ISS PBL24 START | 86.914 |
| HIERARCH ESO ISS PBL24 END | 86.324 |
| HIERARCH ESO ISS PBLA24 START | 82.486 |
| HIERARCH ESO ISS PBLA24 END | 82.5 |
| HIERARCH ESO ISS PBL34 START | 57.209 |
| HIERARCH ESO ISS PBL34 END | 56.567 |
| HIERARCH ESO ISS PBLA34 START | 111.837 |
| HIERARCH ESO ISS PBLA34 END | 112.163 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007244 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007244 |
| HIERARCH ESO ISS AMBI TEMP | 15.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |