Exposure
- ID
- GRAVI.2023-07-21T08:13:16.326_1
- Header ID
- GRAVI.2023-07-21T08:13:16.326
- 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 08:13:16.326
- UTC End
- 2023-07-21 08:14:36.326
- MJD Start
- 60146.34255007
- MJD End
- 60146.34347599593
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007249
- Ambient temperature (°C)
- 15.73
- Seeing (arcsec)
- 0.44999999999999996
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 | 86.5080 | 86.6620 | 108.8000 | 108.9000 |
| A0-J2 | 122.1060 | 122.3640 | 84.5000 | 84.6000 |
| A0-K0 | 121.6440 | 121.8580 | 61.4810 | 61.6860 |
| G1-J2 | 56.0660 | 56.1340 | 45.0000 | 45.2000 |
| G1-K0 | 89.5210 | 89.5440 | 16.2110 | 16.4110 |
| J2-K0 | 48.5820 | 48.5870 | 342.4450 | 342.5780 |
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 | 60146.34255007 |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 86.508 |
| HIERARCH ESO ISS PBL12 END | 86.662 |
| HIERARCH ESO ISS PBLA12 START | 108.8 |
| HIERARCH ESO ISS PBLA12 END | 108.9 |
| HIERARCH ESO ISS PBL13 START | 122.106 |
| HIERARCH ESO ISS PBL13 END | 122.364 |
| HIERARCH ESO ISS PBLA13 START | 84.5 |
| HIERARCH ESO ISS PBLA13 END | 84.6 |
| HIERARCH ESO ISS PBL14 START | 121.644 |
| HIERARCH ESO ISS PBL14 END | 121.858 |
| HIERARCH ESO ISS PBLA14 START | 61.481 |
| HIERARCH ESO ISS PBLA14 END | 61.686 |
| HIERARCH ESO ISS PBL23 START | 56.066 |
| HIERARCH ESO ISS PBL23 END | 56.134 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 45.2 |
| HIERARCH ESO ISS PBL24 START | 89.521 |
| HIERARCH ESO ISS PBL24 END | 89.544 |
| HIERARCH ESO ISS PBLA24 START | 16.211 |
| HIERARCH ESO ISS PBLA24 END | 16.411 |
| HIERARCH ESO ISS PBL34 START | 48.582 |
| HIERARCH ESO ISS PBL34 END | 48.587 |
| HIERARCH ESO ISS PBLA34 START | 342.445 |
| HIERARCH ESO ISS PBLA34 END | 342.578 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007304 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007194 |
| HIERARCH ESO ISS AMBI TEMP | 15.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | HD_4747 |
| HIERARCH ESO FT ROBJ ALPHA | 004926.761 |
| HIERARCH ESO FT ROBJ DELTA | -231244.865 |