Exposure
- ID
- GRAVI.2024-12-18T01:44:00.812_2
- Header ID
- GRAVI.2024-12-18T01:44:00.812
- Date updated
- 2024-12-18 01:50:38 UTC+0000
- Release date
- 2025-06-16 01:50:38 UTC+0000
- UTC Start
- 2024-12-18 01:44:00.812
- UTC End
- 2024-12-18 01:44:29.612
- MJD Start
- 60662.07223162
- MJD End
- 60662.07256495333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004996
- Ambient temperature (°C)
- 15.27
- 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 | 49.0640 | 49.0880 | 14.8000 | 14.9000 |
| U1-U3 | 87.2970 | 87.3610 | 21.9000 | 22.0000 |
| U1-U4 | 108.0880 | 108.2790 | 55.2650 | 55.3430 |
| U2-U3 | 39.0830 | 39.1240 | 30.8000 | 30.9000 |
| U2-U4 | 77.5890 | 77.7290 | 79.4950 | 79.5220 |
| U3-U4 | 59.5070 | 59.5650 | 109.0390 | 109.0280 |
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 | 60662.07223162 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402976 |
| DEC | -2.47408 |
| 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 | 49.064 |
| HIERARCH ESO ISS PBL12 END | 49.088 |
| HIERARCH ESO ISS PBLA12 START | 14.8 |
| HIERARCH ESO ISS PBLA12 END | 14.9 |
| HIERARCH ESO ISS PBL13 START | 87.297 |
| HIERARCH ESO ISS PBL13 END | 87.361 |
| HIERARCH ESO ISS PBLA13 START | 21.9 |
| HIERARCH ESO ISS PBLA13 END | 22.0 |
| HIERARCH ESO ISS PBL14 START | 108.088 |
| HIERARCH ESO ISS PBL14 END | 108.279 |
| HIERARCH ESO ISS PBLA14 START | 55.265 |
| HIERARCH ESO ISS PBLA14 END | 55.343 |
| HIERARCH ESO ISS PBL23 START | 39.083 |
| HIERARCH ESO ISS PBL23 END | 39.124 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 30.9 |
| HIERARCH ESO ISS PBL24 START | 77.589 |
| HIERARCH ESO ISS PBL24 END | 77.729 |
| HIERARCH ESO ISS PBLA24 START | 79.495 |
| HIERARCH ESO ISS PBLA24 END | 79.522 |
| HIERARCH ESO ISS PBL34 START | 59.507 |
| HIERARCH ESO ISS PBL34 END | 59.565 |
| HIERARCH ESO ISS PBLA34 START | 109.039 |
| HIERARCH ESO ISS PBLA34 END | 109.028 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004996 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004996 |
| HIERARCH ESO ISS AMBI TEMP | 15.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |