Exposure
- ID
- GRAVI.2024-12-18T02:44:39.966_2
- Header ID
- GRAVI.2024-12-18T02:44:39.966
- Date updated
- 2024-12-18 03:00:27 UTC+0000
- Release date
- 2025-06-16 03:00:27 UTC+0000
- UTC Start
- 2024-12-18 02:44:39.966
- UTC End
- 2024-12-18 02:50:39.966
- MJD Start
- 60662.11435146
- MJD End
- 60662.11851812666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058805
- Ambient temperature (°C)
- 15.71
- Seeing (arcsec)
- 0.595
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 | 51.3070 | 51.5580 | 22.9000 | 23.7000 |
| U1-U3 | 92.9380 | 93.5150 | 29.9000 | 30.6000 |
| U1-U4 | 121.5400 | 122.6000 | 60.1560 | 60.5060 |
| U2-U3 | 42.4740 | 42.7920 | 38.4000 | 39.0000 |
| U2-U4 | 86.4430 | 87.0220 | 81.1960 | 81.3210 |
| U3-U4 | 62.3650 | 62.4380 | 108.7670 | 108.8090 |
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 | 60662.11435146 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.40303 |
| DEC | -2.47416 |
| 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 | 51.307 |
| HIERARCH ESO ISS PBL12 END | 51.558 |
| HIERARCH ESO ISS PBLA12 START | 22.9 |
| HIERARCH ESO ISS PBLA12 END | 23.7 |
| HIERARCH ESO ISS PBL13 START | 92.938 |
| HIERARCH ESO ISS PBL13 END | 93.515 |
| HIERARCH ESO ISS PBLA13 START | 29.9 |
| HIERARCH ESO ISS PBLA13 END | 30.6 |
| HIERARCH ESO ISS PBL14 START | 121.54 |
| HIERARCH ESO ISS PBL14 END | 122.6 |
| HIERARCH ESO ISS PBLA14 START | 60.156 |
| HIERARCH ESO ISS PBLA14 END | 60.506 |
| HIERARCH ESO ISS PBL23 START | 42.474 |
| HIERARCH ESO ISS PBL23 END | 42.792 |
| HIERARCH ESO ISS PBLA23 START | 38.4 |
| HIERARCH ESO ISS PBLA23 END | 39.0 |
| HIERARCH ESO ISS PBL24 START | 86.443 |
| HIERARCH ESO ISS PBL24 END | 87.022 |
| HIERARCH ESO ISS PBLA24 START | 81.196 |
| HIERARCH ESO ISS PBLA24 END | 81.321 |
| HIERARCH ESO ISS PBL34 START | 62.365 |
| HIERARCH ESO ISS PBL34 END | 62.438 |
| HIERARCH ESO ISS PBLA34 START | 108.767 |
| HIERARCH ESO ISS PBLA34 END | 108.809 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005726 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006035 |
| HIERARCH ESO ISS AMBI TEMP | 15.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |