Exposure
- ID
- GRAVI.2023-07-21T07:53:58.277_1
- Header ID
- GRAVI.2023-07-21T07:53:58.277
- Date updated
- 2023-07-21 08:10:28 UTC+0000
- Release date
- 2024-07-21 08:10:28 UTC+0000
- UTC Start
- 2023-07-21 07:53:58.277
- UTC End
- 2023-07-21 08:00:38.277
- MJD Start
- 60146.32914672
- MJD End
- 60146.33377634963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005560000000000001
- Ambient temperature (°C)
- 15.75
- Seeing (arcsec)
- 0.44
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 | 84.3120 | 85.1570 | 107.4000 | 107.9000 |
| A0-J2 | 118.4840 | 119.8670 | 82.4000 | 83.1000 |
| A0-K0 | 118.6940 | 119.8080 | 58.7770 | 59.7770 |
| G1-J2 | 55.1450 | 55.4890 | 42.1000 | 43.2000 |
| G1-K0 | 89.2400 | 89.3390 | 13.6390 | 14.5750 |
| J2-K0 | 48.5050 | 48.5370 | 340.8230 | 341.3950 |
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 | 60146.32914672 |
| 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 | 84.312 |
| HIERARCH ESO ISS PBL12 END | 85.157 |
| HIERARCH ESO ISS PBLA12 START | 107.4 |
| HIERARCH ESO ISS PBLA12 END | 107.9 |
| HIERARCH ESO ISS PBL13 START | 118.484 |
| HIERARCH ESO ISS PBL13 END | 119.867 |
| HIERARCH ESO ISS PBLA13 START | 82.4 |
| HIERARCH ESO ISS PBLA13 END | 83.1 |
| HIERARCH ESO ISS PBL14 START | 118.694 |
| HIERARCH ESO ISS PBL14 END | 119.808 |
| HIERARCH ESO ISS PBLA14 START | 58.777 |
| HIERARCH ESO ISS PBLA14 END | 59.777 |
| HIERARCH ESO ISS PBL23 START | 55.145 |
| HIERARCH ESO ISS PBL23 END | 55.489 |
| HIERARCH ESO ISS PBLA23 START | 42.1 |
| HIERARCH ESO ISS PBLA23 END | 43.2 |
| HIERARCH ESO ISS PBL24 START | 89.24 |
| HIERARCH ESO ISS PBL24 END | 89.339 |
| HIERARCH ESO ISS PBLA24 START | 13.639 |
| HIERARCH ESO ISS PBLA24 END | 14.575 |
| HIERARCH ESO ISS PBL34 START | 48.505 |
| HIERARCH ESO ISS PBL34 END | 48.537 |
| HIERARCH ESO ISS PBLA34 START | 340.823 |
| HIERARCH ESO ISS PBLA34 END | 341.395 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005452 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005668 |
| HIERARCH ESO ISS AMBI TEMP | 15.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | HD_4747 |
| HIERARCH ESO FT ROBJ ALPHA | 004926.761 |
| HIERARCH ESO FT ROBJ DELTA | -231244.865 |