Exposure
ID
PIONI.2016-05-31T01:24:16.588_1
Header ID
PIONI.2016-05-31T01:24:16.588
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 01:24:16.588
UTC End
2016-05-31 01:24:42.188
MJD Start
57539.0585253229
MJD End
57539.0588216192
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002568
Ambient temperature (°C)
8.57
Seeing (arcsec)
0.6
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 67.1660 67.1950 276.7000 276.6000
K0-D0 86.2180 86.3170 262.2000 262.2000
K0-J3 46.2510 46.2010 319.8000 319.8100
G2-D0 26.9830 27.0320 223.9000 224.0000
G2-J3 46.0060 46.0920 53.2460 53.2620
D0-J3 72.7640 72.8990 49.8010 49.8280
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 57539.0585253229
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 67.166
HIERARCH ESO ISS PBL12 END 67.195
HIERARCH ESO ISS PBLA12 START 276.7
HIERARCH ESO ISS PBLA12 END 276.6
HIERARCH ESO ISS PBL13 START 86.218
HIERARCH ESO ISS PBL13 END 86.317
HIERARCH ESO ISS PBLA13 START 262.2
HIERARCH ESO ISS PBLA13 END 262.2
HIERARCH ESO ISS PBL14 START 46.251
HIERARCH ESO ISS PBL14 END 46.201
HIERARCH ESO ISS PBLA14 START 319.8
HIERARCH ESO ISS PBLA14 END 319.81
HIERARCH ESO ISS PBL23 START 26.983
HIERARCH ESO ISS PBL23 END 27.032
HIERARCH ESO ISS PBLA23 START 223.9
HIERARCH ESO ISS PBLA23 END 224.0
HIERARCH ESO ISS PBL24 START 46.006
HIERARCH ESO ISS PBL24 END 46.092
HIERARCH ESO ISS PBLA24 START 53.246
HIERARCH ESO ISS PBLA24 END 53.262
HIERARCH ESO ISS PBL34 START 72.764
HIERARCH ESO ISS PBL34 END 72.899
HIERARCH ESO ISS PBLA34 START 49.801
HIERARCH ESO ISS PBLA34 END 49.828
HIERARCH ESO ISS AMBI TAU0 START 0.002568
HIERARCH ESO ISS AMBI TAU0 END 0.002568
HIERARCH ESO ISS AMBI TEMP 8.57
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6