Exposure
ID
PIONI.2016-05-31T01:21:31.695_1
Header ID
PIONI.2016-05-31T01:21:31.695
Date updated
2016-05-31 01:30:44 UTC+0000
Release date
2017-05-31 01:30:44 UTC+0000
UTC Start
2016-05-31 01:21:31.695
UTC End
2016-05-31 01:21:57.295
MJD Start
57539.0566168427
MJD End
57539.056913139
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002757
Ambient temperature (°C)
8.57
Seeing (arcsec)
0.62
Observation
ID
36891
Category
science
Program ID
097.D-0350(B)
Program Title
AN ULTRA-HIGH ACCURACY MEASUREMENT OF THE ANGULAR DIAMETERS AND LIMB DARKENINGS OF ALPHA CENTAURI A AND B
Program Type
Normal
PI / COI
KERVELLA/ THEVENIN/ BIGOT
Target
ID
27107
Name
HD123999
RA
212.599625
DEC
25.09146
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.0250 67.0570 277.0000 276.9000
K0-D0 85.7570 85.8610 262.5000 262.4000
K0-J3 46.4790 46.4280 319.7610 319.7670
G2-D0 26.7590 26.8100 223.7000 223.8000
G2-J3 45.6090 45.6980 53.1680 53.1850
D0-J3 72.1390 72.2800 49.6770 49.7040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 097.D-0350(B)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 57539.0566168427
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD123999
RA 212.599625
DEC 25.09146
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.025
HIERARCH ESO ISS PBL12 END 67.057
HIERARCH ESO ISS PBLA12 START 277.0
HIERARCH ESO ISS PBLA12 END 276.9
HIERARCH ESO ISS PBL13 START 85.757
HIERARCH ESO ISS PBL13 END 85.861
HIERARCH ESO ISS PBLA13 START 262.5
HIERARCH ESO ISS PBLA13 END 262.4
HIERARCH ESO ISS PBL14 START 46.479
HIERARCH ESO ISS PBL14 END 46.428
HIERARCH ESO ISS PBLA14 START 319.761
HIERARCH ESO ISS PBLA14 END 319.767
HIERARCH ESO ISS PBL23 START 26.759
HIERARCH ESO ISS PBL23 END 26.81
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.8
HIERARCH ESO ISS PBL24 START 45.609
HIERARCH ESO ISS PBL24 END 45.698
HIERARCH ESO ISS PBLA24 START 53.168
HIERARCH ESO ISS PBLA24 END 53.185
HIERARCH ESO ISS PBL34 START 72.139
HIERARCH ESO ISS PBL34 END 72.28
HIERARCH ESO ISS PBLA34 START 49.677
HIERARCH ESO ISS PBLA34 END 49.704
HIERARCH ESO ISS AMBI TAU0 START 0.002757
HIERARCH ESO ISS AMBI TAU0 END 0.002757
HIERARCH ESO ISS AMBI TEMP 8.57
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62