Exposure
- ID
- GRAVI.2024-12-18T02:58:34.001_2
- Header ID
- GRAVI.2024-12-18T02:58:34.001
- Date updated
- 2024-12-18 03:15:31 UTC+0000
- Release date
- 2025-06-16 03:15:31 UTC+0000
- UTC Start
- 2024-12-18 02:58:34.001
- UTC End
- 2024-12-18 03:04:34.001
- MJD Start
- 60662.12400464
- MJD End
- 60662.128171306664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095005
- Ambient temperature (°C)
- 14.84
- Seeing (arcsec)
- 0.625
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 | 51.8740 | 52.1250 | 24.5000 | 25.2000 |
| U1-U3 | 94.2280 | 94.7850 | 31.4000 | 32.0000 |
| U1-U4 | 123.8400 | 124.7490 | 60.9110 | 61.2080 |
| U2-U3 | 43.1800 | 43.4770 | 39.7000 | 40.2000 |
| U2-U4 | 87.6620 | 88.1000 | 81.4670 | 81.5740 |
| U3-U4 | 62.4710 | 62.4530 | 108.8810 | 108.9520 |
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 | 60662.12400464 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403038 |
| DEC | -2.47417 |
| 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 | 51.874 |
| HIERARCH ESO ISS PBL12 END | 52.125 |
| HIERARCH ESO ISS PBLA12 START | 24.5 |
| HIERARCH ESO ISS PBLA12 END | 25.2 |
| HIERARCH ESO ISS PBL13 START | 94.228 |
| HIERARCH ESO ISS PBL13 END | 94.785 |
| HIERARCH ESO ISS PBLA13 START | 31.4 |
| HIERARCH ESO ISS PBLA13 END | 32.0 |
| HIERARCH ESO ISS PBL14 START | 123.84 |
| HIERARCH ESO ISS PBL14 END | 124.749 |
| HIERARCH ESO ISS PBLA14 START | 60.911 |
| HIERARCH ESO ISS PBLA14 END | 61.208 |
| HIERARCH ESO ISS PBL23 START | 43.18 |
| HIERARCH ESO ISS PBL23 END | 43.477 |
| HIERARCH ESO ISS PBLA23 START | 39.7 |
| HIERARCH ESO ISS PBLA23 END | 40.2 |
| HIERARCH ESO ISS PBL24 START | 87.662 |
| HIERARCH ESO ISS PBL24 END | 88.1 |
| HIERARCH ESO ISS PBLA24 START | 81.467 |
| HIERARCH ESO ISS PBLA24 END | 81.574 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.453 |
| HIERARCH ESO ISS PBLA34 START | 108.881 |
| HIERARCH ESO ISS PBLA34 END | 108.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008776 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010225 |
| HIERARCH ESO ISS AMBI TEMP | 14.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |