Exposure
ID
GRAVI.2023-07-22T02:39:05.687_2
Header ID
GRAVI.2023-07-22T02:39:05.687
Date updated
2023-07-22 02:50:26 UTC+0000
Release date
2024-07-22 02:50:26 UTC+0000
UTC Start
2023-07-22 02:39:05.687
UTC End
2023-07-22 02:40:25.687
MJD Start
60147.11048249
MJD End
60147.11140841593
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.003496
Ambient temperature (°C)
14.52
Seeing (arcsec)
0.48
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 84.5960 84.4440 129.3000 129.5000
A0-J2 118.1150 117.8040 104.4000 104.6000
A0-K0 117.6630 117.3590 80.6190 80.7480
G1-J2 54.5860 54.4750 63.7000 63.8000
G1-K0 88.6410 88.5770 34.8300 34.9240
J2-K0 48.6040 48.6040 1.9920 2.1600
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 60147.11048249
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 95.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 84.596
HIERARCH ESO ISS PBL12 END 84.444
HIERARCH ESO ISS PBLA12 START 129.3
HIERARCH ESO ISS PBLA12 END 129.5
HIERARCH ESO ISS PBL13 START 118.115
HIERARCH ESO ISS PBL13 END 117.804
HIERARCH ESO ISS PBLA13 START 104.4
HIERARCH ESO ISS PBLA13 END 104.6
HIERARCH ESO ISS PBL14 START 117.663
HIERARCH ESO ISS PBL14 END 117.359
HIERARCH ESO ISS PBLA14 START 80.619
HIERARCH ESO ISS PBLA14 END 80.748
HIERARCH ESO ISS PBL23 START 54.586
HIERARCH ESO ISS PBL23 END 54.475
HIERARCH ESO ISS PBLA23 START 63.7
HIERARCH ESO ISS PBLA23 END 63.8
HIERARCH ESO ISS PBL24 START 88.641
HIERARCH ESO ISS PBL24 END 88.577
HIERARCH ESO ISS PBLA24 START 34.83
HIERARCH ESO ISS PBLA24 END 34.924
HIERARCH ESO ISS PBL34 START 48.604
HIERARCH ESO ISS PBL34 END 48.604
HIERARCH ESO ISS PBLA34 START 1.992
HIERARCH ESO ISS PBLA34 END 2.16
HIERARCH ESO ISS AMBI TAU0 START 0.003673
HIERARCH ESO ISS AMBI TAU0 END 0.003319
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME HD_144844
HIERARCH ESO FT ROBJ ALPHA 160843.719
HIERARCH ESO FT ROBJ DELTA -234107.451