Exposure
- ID
- GRAVI.2023-09-25T06:18:07.570_2
- Header ID
- GRAVI.2023-09-25T06:18:07.570
- Date updated
- 2023-09-25 06:35:17 UTC+0000
- Release date
- 2024-03-23 06:35:17 UTC+0000
- UTC Start
- 2023-09-25 06:18:07.570
- UTC End
- 2023-09-25 06:24:47.570
- MJD Start
- 60212.26258761
- MJD End
- 60212.2672172396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059625
- Ambient temperature (°C)
- 16.55
- Seeing (arcsec)
- 0.73
Observation
- ID
- 56815
- Category
- science
- Program ID
- 111.24MN.001
- 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
- 33031
- Name
- 51Eri
- RA
- 69.40055
- DEC
- -2.47354944444444
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 | 47.7340 | 47.8290 | 5.3000 | 6.5000 |
| U1-U3 | 83.0080 | 83.3990 | 11.8000 | 13.0000 |
| U1-U4 | 91.3260 | 93.3860 | 46.8590 | 48.1050 |
| U2-U3 | 35.9770 | 36.2990 | 20.3000 | 21.7000 |
| U2-U4 | 63.9890 | 65.8120 | 76.5230 | 76.9760 |
| U3-U4 | 53.1730 | 54.0860 | 110.7370 | 110.4450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60212.26258761 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Erib |
| RA | 69.40292 |
| DEC | -2.47369 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 47.734 |
| HIERARCH ESO ISS PBL12 END | 47.829 |
| HIERARCH ESO ISS PBLA12 START | 5.3 |
| HIERARCH ESO ISS PBLA12 END | 6.5 |
| HIERARCH ESO ISS PBL13 START | 83.008 |
| HIERARCH ESO ISS PBL13 END | 83.399 |
| HIERARCH ESO ISS PBLA13 START | 11.8 |
| HIERARCH ESO ISS PBLA13 END | 13.0 |
| HIERARCH ESO ISS PBL14 START | 91.326 |
| HIERARCH ESO ISS PBL14 END | 93.386 |
| HIERARCH ESO ISS PBLA14 START | 46.859 |
| HIERARCH ESO ISS PBLA14 END | 48.105 |
| HIERARCH ESO ISS PBL23 START | 35.977 |
| HIERARCH ESO ISS PBL23 END | 36.299 |
| HIERARCH ESO ISS PBLA23 START | 20.3 |
| HIERARCH ESO ISS PBLA23 END | 21.7 |
| HIERARCH ESO ISS PBL24 START | 63.989 |
| HIERARCH ESO ISS PBL24 END | 65.812 |
| HIERARCH ESO ISS PBLA24 START | 76.523 |
| HIERARCH ESO ISS PBLA24 END | 76.976 |
| HIERARCH ESO ISS PBL34 START | 53.173 |
| HIERARCH ESO ISS PBL34 END | 54.086 |
| HIERARCH ESO ISS PBLA34 START | 110.737 |
| HIERARCH ESO ISS PBLA34 END | 110.445 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005824 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006101 |
| HIERARCH ESO ISS AMBI TEMP | 16.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.132 |
| HIERARCH ESO FT ROBJ DELTA | -022824.778 |