Exposure
- ID
- GRAVI.2024-12-18T03:15:43.045_2
- Header ID
- GRAVI.2024-12-18T03:15:43.045
- Date updated
- 2024-12-18 03:30:33 UTC+0000
- Release date
- 2025-06-16 03:30:33 UTC+0000
- UTC Start
- 2024-12-18 03:15:43.045
- UTC End
- 2024-12-18 03:21:43.045
- MJD Start
- 60662.13591487
- MJD End
- 60662.140081536665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075485000000000005
- Ambient temperature (°C)
- 15.4
- Seeing (arcsec)
- 0.6499999999999999
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 | 52.5730 | 52.8210 | 26.3000 | 26.9000 |
| U1-U3 | 95.7610 | 96.2890 | 33.1000 | 33.6000 |
| U1-U4 | 126.2170 | 126.9420 | 61.6910 | 61.9320 |
| U2-U3 | 43.9860 | 44.2560 | 41.1000 | 41.6000 |
| U2-U4 | 88.7330 | 88.9980 | 81.7520 | 81.8420 |
| U3-U4 | 62.3180 | 62.1870 | 109.1110 | 109.2190 |
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 | 60662.13591487 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403043 |
| 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 | 52.573 |
| HIERARCH ESO ISS PBL12 END | 52.821 |
| HIERARCH ESO ISS PBLA12 START | 26.3 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 95.761 |
| HIERARCH ESO ISS PBL13 END | 96.289 |
| HIERARCH ESO ISS PBLA13 START | 33.1 |
| HIERARCH ESO ISS PBLA13 END | 33.6 |
| HIERARCH ESO ISS PBL14 START | 126.217 |
| HIERARCH ESO ISS PBL14 END | 126.942 |
| HIERARCH ESO ISS PBLA14 START | 61.691 |
| HIERARCH ESO ISS PBLA14 END | 61.932 |
| HIERARCH ESO ISS PBL23 START | 43.986 |
| HIERARCH ESO ISS PBL23 END | 44.256 |
| HIERARCH ESO ISS PBLA23 START | 41.1 |
| HIERARCH ESO ISS PBLA23 END | 41.6 |
| HIERARCH ESO ISS PBL24 START | 88.733 |
| HIERARCH ESO ISS PBL24 END | 88.998 |
| HIERARCH ESO ISS PBLA24 START | 81.752 |
| HIERARCH ESO ISS PBLA24 END | 81.842 |
| HIERARCH ESO ISS PBL34 START | 62.318 |
| HIERARCH ESO ISS PBL34 END | 62.187 |
| HIERARCH ESO ISS PBLA34 START | 109.111 |
| HIERARCH ESO ISS PBLA34 END | 109.219 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00702 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008077 |
| HIERARCH ESO ISS AMBI TEMP | 15.4 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| 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 |