Exposure
- ID
- GRAVI.2023-07-21T08:03:34.301_1
- Header ID
- GRAVI.2023-07-21T08:03:34.301
- Date updated
- 2023-07-21 08:20:17 UTC+0000
- Release date
- 2024-07-21 08:20:17 UTC+0000
- UTC Start
- 2023-07-21 08:03:34.301
- UTC End
- 2023-07-21 08:10:14.301
- MJD Start
- 60146.33581367
- MJD End
- 60146.340443299625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007412
- Ambient temperature (°C)
- 15.68
- Seeing (arcsec)
- 0.475
Observation
- ID
- 56337
- Category
- science
- Program ID
- 109.238N.003
- Program Title
- UNCOVERING THE DYNAMICAL HISTORY OF BROWN DWARF COMPANIONS
- Program Type
- Monitoring
- PI / COI
- WANG/ LACOUR/ NOWAK/ MAIRE/ GIRARD/ PALADINI/ CORREIA/ VIGAN/ ZURLO/ LAGRANGE/ BLUNT/ HAUBOIS/ GARCIA LOPEZ/ DE ZEEUW/ HENNING/ NIELSEN/ BENISTY/ LANGLOIS/ RAMEAU/ HINKLEY/ OTTEN/ STOLKER/ KAMMERER/ MUZIC/ BOWLER/ PUEYO/ EISENHAUER/ KREIDBERG/ ...
Target
- ID
- 41738
- Name
- HD4747B
- RA
- 12.362051
- DEC
- -23.21181
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 85.4680 | 86.2280 | 108.1000 | 108.6000 |
| A0-J2 | 120.3780 | 121.6380 | 83.4000 | 84.2000 |
| A0-K0 | 120.2230 | 121.2570 | 60.1550 | 61.1140 |
| G1-J2 | 55.6180 | 55.9430 | 43.6000 | 44.6000 |
| G1-K0 | 89.3790 | 89.4810 | 14.9340 | 15.8550 |
| J2-K0 | 48.5480 | 48.5730 | 341.6190 | 342.2100 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.238N.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60146.33581367 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 4747 |
| HIERARCH ESO INS SOBJ NAME | HD4747B |
| RA | 12.362051 |
| DEC | -23.21181 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 85.468 |
| HIERARCH ESO ISS PBL12 END | 86.228 |
| HIERARCH ESO ISS PBLA12 START | 108.1 |
| HIERARCH ESO ISS PBLA12 END | 108.6 |
| HIERARCH ESO ISS PBL13 START | 120.378 |
| HIERARCH ESO ISS PBL13 END | 121.638 |
| HIERARCH ESO ISS PBLA13 START | 83.4 |
| HIERARCH ESO ISS PBLA13 END | 84.2 |
| HIERARCH ESO ISS PBL14 START | 120.223 |
| HIERARCH ESO ISS PBL14 END | 121.257 |
| HIERARCH ESO ISS PBLA14 START | 60.155 |
| HIERARCH ESO ISS PBLA14 END | 61.114 |
| HIERARCH ESO ISS PBL23 START | 55.618 |
| HIERARCH ESO ISS PBL23 END | 55.943 |
| HIERARCH ESO ISS PBLA23 START | 43.6 |
| HIERARCH ESO ISS PBLA23 END | 44.6 |
| HIERARCH ESO ISS PBL24 START | 89.379 |
| HIERARCH ESO ISS PBL24 END | 89.481 |
| HIERARCH ESO ISS PBLA24 START | 14.934 |
| HIERARCH ESO ISS PBLA24 END | 15.855 |
| HIERARCH ESO ISS PBL34 START | 48.548 |
| HIERARCH ESO ISS PBL34 END | 48.573 |
| HIERARCH ESO ISS PBLA34 START | 341.619 |
| HIERARCH ESO ISS PBLA34 END | 342.21 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00665 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008174 |
| HIERARCH ESO ISS AMBI TEMP | 15.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | HD_4747 |
| HIERARCH ESO FT ROBJ ALPHA | 004926.761 |
| HIERARCH ESO FT ROBJ DELTA | -231244.865 |