Exposure
- ID
- GRAVI.2024-12-18T03:51:07.135_2
- Header ID
- GRAVI.2024-12-18T03:51:07.135
- Date updated
- 2024-12-18 04:00:32 UTC+0000
- Release date
- 2025-06-16 04:00:32 UTC+0000
- UTC Start
- 2024-12-18 03:51:07.135
- UTC End
- 2024-12-18 03:51:35.935
- MJD Start
- 60662.16049925
- MJD End
- 60662.16083258333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010826
- Ambient temperature (°C)
- 14.93
- Seeing (arcsec)
- 0.46
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 | 53.9460 | 53.9740 | 29.5000 | 29.5000 |
| U1-U3 | 98.5770 | 98.6320 | 35.9000 | 35.9000 |
| U1-U4 | 129.4040 | 129.4470 | 62.8190 | 62.8370 |
| U2-U3 | 45.3610 | 45.3860 | 43.4000 | 43.5000 |
| U2-U4 | 89.3930 | 89.3840 | 82.1880 | 82.1960 |
| U3-U4 | 61.0210 | 60.9780 | 109.9140 | 109.9370 |
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 | 60662.16049925 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403111 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 53.946 |
| HIERARCH ESO ISS PBL12 END | 53.974 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 29.5 |
| HIERARCH ESO ISS PBL13 START | 98.577 |
| HIERARCH ESO ISS PBL13 END | 98.632 |
| HIERARCH ESO ISS PBLA13 START | 35.9 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 129.404 |
| HIERARCH ESO ISS PBL14 END | 129.447 |
| HIERARCH ESO ISS PBLA14 START | 62.819 |
| HIERARCH ESO ISS PBLA14 END | 62.837 |
| HIERARCH ESO ISS PBL23 START | 45.361 |
| HIERARCH ESO ISS PBL23 END | 45.386 |
| HIERARCH ESO ISS PBLA23 START | 43.4 |
| HIERARCH ESO ISS PBLA23 END | 43.5 |
| HIERARCH ESO ISS PBL24 START | 89.393 |
| HIERARCH ESO ISS PBL24 END | 89.384 |
| HIERARCH ESO ISS PBLA24 START | 82.188 |
| HIERARCH ESO ISS PBLA24 END | 82.196 |
| HIERARCH ESO ISS PBL34 START | 61.021 |
| HIERARCH ESO ISS PBL34 END | 60.978 |
| HIERARCH ESO ISS PBLA34 START | 109.914 |
| HIERARCH ESO ISS PBLA34 END | 109.937 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010826 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010826 |
| HIERARCH ESO ISS AMBI TEMP | 14.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |