Exposure
- ID
- GRAVI.2023-07-22T03:38:20.837_2
- Header ID
- GRAVI.2023-07-22T03:38:20.837
- Date updated
- 2023-07-22 03:50:27 UTC+0000
- Release date
- 2024-07-22 03:50:27 UTC+0000
- UTC Start
- 2023-07-22 03:38:20.837
- UTC End
- 2023-07-22 03:45:00.837
- MJD Start
- 60147.15163006
- MJD End
- 60147.156259689626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035594999999999997
- Ambient temperature (°C)
- 14.64
- Seeing (arcsec)
- 0.7050000000000001
Observation
- ID
- 56355
- 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
- 38893
- Name
- HD_144844
- RA
- 242.18216249999995
- DEC
- -23.685403055555557
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 77.9660 | 77.1430 | 139.9000 | 141.4000 |
| A0-J2 | 103.4600 | 101.4520 | 113.0000 | 114.2000 |
| A0-K0 | 102.6780 | 100.5190 | 85.6910 | 86.3080 |
| G1-J2 | 48.9870 | 48.1650 | 66.9000 | 67.1000 |
| G1-K0 | 85.2140 | 84.6810 | 37.7630 | 38.0030 |
| J2-K0 | 48.6380 | 48.6420 | 8.4390 | 9.1710 |
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 | 60147.15163006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 144844 |
| HIERARCH ESO INS SOBJ NAME | HIP79098ABB |
| RA | 242.179688 |
| DEC | -23.68556 |
| 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 | 77.966 |
| HIERARCH ESO ISS PBL12 END | 77.143 |
| HIERARCH ESO ISS PBLA12 START | 139.9 |
| HIERARCH ESO ISS PBLA12 END | 141.4 |
| HIERARCH ESO ISS PBL13 START | 103.46 |
| HIERARCH ESO ISS PBL13 END | 101.452 |
| HIERARCH ESO ISS PBLA13 START | 113.0 |
| HIERARCH ESO ISS PBLA13 END | 114.2 |
| HIERARCH ESO ISS PBL14 START | 102.678 |
| HIERARCH ESO ISS PBL14 END | 100.519 |
| HIERARCH ESO ISS PBLA14 START | 85.691 |
| HIERARCH ESO ISS PBLA14 END | 86.308 |
| HIERARCH ESO ISS PBL23 START | 48.987 |
| HIERARCH ESO ISS PBL23 END | 48.165 |
| HIERARCH ESO ISS PBLA23 START | 66.9 |
| HIERARCH ESO ISS PBLA23 END | 67.1 |
| HIERARCH ESO ISS PBL24 START | 85.214 |
| HIERARCH ESO ISS PBL24 END | 84.681 |
| HIERARCH ESO ISS PBLA24 START | 37.763 |
| HIERARCH ESO ISS PBLA24 END | 38.003 |
| HIERARCH ESO ISS PBL34 START | 48.638 |
| HIERARCH ESO ISS PBL34 END | 48.642 |
| HIERARCH ESO ISS PBLA34 START | 8.439 |
| HIERARCH ESO ISS PBLA34 END | 9.171 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003168 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003951 |
| HIERARCH ESO ISS AMBI TEMP | 14.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | HD_144844 |
| HIERARCH ESO FT ROBJ ALPHA | 160843.719 |
| HIERARCH ESO FT ROBJ DELTA | -234107.451 |