Exposure
- ID
- GRAVI.2024-12-18T03:29:55.081_2
- Header ID
- GRAVI.2024-12-18T03:29:55.081
- Date updated
- 2024-12-18 03:45:32 UTC+0000
- Release date
- 2025-06-16 03:45:32 UTC+0000
- UTC Start
- 2024-12-18 03:29:55.081
- UTC End
- 2024-12-18 03:35:55.081
- MJD Start
- 60662.1457764
- MJD End
- 60662.149943066666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00716
- Ambient temperature (°C)
- 15.15
- Seeing (arcsec)
- 0.6599999999999999
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 | 53.1400 | 53.3790 | 27.7000 | 28.2000 |
| U1-U3 | 96.9550 | 97.4460 | 34.3000 | 34.8000 |
| U1-U4 | 127.7800 | 128.3380 | 62.2170 | 62.4140 |
| U2-U3 | 44.5880 | 44.8280 | 42.2000 | 42.6000 |
| U2-U4 | 89.2490 | 89.3680 | 81.9500 | 82.0260 |
| U3-U4 | 61.9550 | 61.7330 | 109.3790 | 109.5170 |
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 | 60662.1457764 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403072 |
| 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 | 53.14 |
| HIERARCH ESO ISS PBL12 END | 53.379 |
| HIERARCH ESO ISS PBLA12 START | 27.7 |
| HIERARCH ESO ISS PBLA12 END | 28.2 |
| HIERARCH ESO ISS PBL13 START | 96.955 |
| HIERARCH ESO ISS PBL13 END | 97.446 |
| HIERARCH ESO ISS PBLA13 START | 34.3 |
| HIERARCH ESO ISS PBLA13 END | 34.8 |
| HIERARCH ESO ISS PBL14 START | 127.78 |
| HIERARCH ESO ISS PBL14 END | 128.338 |
| HIERARCH ESO ISS PBLA14 START | 62.217 |
| HIERARCH ESO ISS PBLA14 END | 62.414 |
| HIERARCH ESO ISS PBL23 START | 44.588 |
| HIERARCH ESO ISS PBL23 END | 44.828 |
| HIERARCH ESO ISS PBLA23 START | 42.2 |
| HIERARCH ESO ISS PBLA23 END | 42.6 |
| HIERARCH ESO ISS PBL24 START | 89.249 |
| HIERARCH ESO ISS PBL24 END | 89.368 |
| HIERARCH ESO ISS PBLA24 START | 81.95 |
| HIERARCH ESO ISS PBLA24 END | 82.026 |
| HIERARCH ESO ISS PBL34 START | 61.955 |
| HIERARCH ESO ISS PBL34 END | 61.733 |
| HIERARCH ESO ISS PBLA34 START | 109.379 |
| HIERARCH ESO ISS PBLA34 END | 109.517 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006705 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007615 |
| HIERARCH ESO ISS AMBI TEMP | 15.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |