Exposure
- ID
- GRAVI.2024-12-18T02:14:57.890_2
- Header ID
- GRAVI.2024-12-18T02:14:57.890
- Date updated
- 2024-12-18 02:30:31 UTC+0000
- Release date
- 2025-06-16 02:30:31 UTC+0000
- UTC Start
- 2024-12-18 02:14:57.890
- UTC End
- 2024-12-18 02:20:57.890
- MJD Start
- 60662.09372558
- MJD End
- 60662.09789224667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005684
- Ambient temperature (°C)
- 15.72
- Seeing (arcsec)
- 0.615
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 | 50.1400 | 50.3730 | 19.2000 | 20.0000 |
| U1-U3 | 90.1270 | 90.7070 | 26.3000 | 27.1000 |
| U1-U4 | 115.5880 | 116.9260 | 58.1210 | 58.5920 |
| U2-U3 | 40.8500 | 41.1940 | 35.1000 | 35.8000 |
| U2-U4 | 82.8050 | 83.6690 | 80.4830 | 80.6470 |
| U3-U4 | 61.4470 | 61.7130 | 108.7390 | 108.7200 |
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 | 60662.09372558 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.402994 |
| DEC | -2.47413 |
| 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 | 50.14 |
| HIERARCH ESO ISS PBL12 END | 50.373 |
| HIERARCH ESO ISS PBLA12 START | 19.2 |
| HIERARCH ESO ISS PBLA12 END | 20.0 |
| HIERARCH ESO ISS PBL13 START | 90.127 |
| HIERARCH ESO ISS PBL13 END | 90.707 |
| HIERARCH ESO ISS PBLA13 START | 26.3 |
| HIERARCH ESO ISS PBLA13 END | 27.1 |
| HIERARCH ESO ISS PBL14 START | 115.588 |
| HIERARCH ESO ISS PBL14 END | 116.926 |
| HIERARCH ESO ISS PBLA14 START | 58.121 |
| HIERARCH ESO ISS PBLA14 END | 58.592 |
| HIERARCH ESO ISS PBL23 START | 40.85 |
| HIERARCH ESO ISS PBL23 END | 41.194 |
| HIERARCH ESO ISS PBLA23 START | 35.1 |
| HIERARCH ESO ISS PBLA23 END | 35.8 |
| HIERARCH ESO ISS PBL24 START | 82.805 |
| HIERARCH ESO ISS PBL24 END | 83.669 |
| HIERARCH ESO ISS PBLA24 START | 80.483 |
| HIERARCH ESO ISS PBLA24 END | 80.647 |
| HIERARCH ESO ISS PBL34 START | 61.447 |
| HIERARCH ESO ISS PBL34 END | 61.713 |
| HIERARCH ESO ISS PBLA34 START | 108.739 |
| HIERARCH ESO ISS PBLA34 END | 108.72 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006151 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005217 |
| HIERARCH ESO ISS AMBI TEMP | 15.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |