Exposure
ID
PIONI.2016-05-31T01:37:31.506_1
Header ID
PIONI.2016-05-31T01:37:31.506
Date updated
2016-05-31 01:45:51 UTC+0000
Release date
2017-05-31 01:45:51 UTC+0000
UTC Start
2016-05-31 01:37:31.506
UTC End
2016-05-31 01:37:57.106
MJD Start
57539.0677257632
MJD End
57539.0680220595
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001912
Ambient temperature (°C)
8.15
Seeing (arcsec)
1.38
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 67.7340 67.7560 275.2000 275.2000
K0-D0 88.2890 88.3800 261.0000 261.0000
K0-J3 45.1250 45.0720 320.0770 320.0950
G2-D0 28.0470 28.0960 224.8000 224.8000
G2-J3 47.8680 47.9530 53.5340 53.5460
D0-J3 75.7090 75.8440 50.3040 50.3260
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 57539.0677257632
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 67.734
HIERARCH ESO ISS PBL12 END 67.756
HIERARCH ESO ISS PBLA12 START 275.2
HIERARCH ESO ISS PBLA12 END 275.2
HIERARCH ESO ISS PBL13 START 88.289
HIERARCH ESO ISS PBL13 END 88.38
HIERARCH ESO ISS PBLA13 START 261.0
HIERARCH ESO ISS PBLA13 END 261.0
HIERARCH ESO ISS PBL14 START 45.125
HIERARCH ESO ISS PBL14 END 45.072
HIERARCH ESO ISS PBLA14 START 320.077
HIERARCH ESO ISS PBLA14 END 320.095
HIERARCH ESO ISS PBL23 START 28.047
HIERARCH ESO ISS PBL23 END 28.096
HIERARCH ESO ISS PBLA23 START 224.8
HIERARCH ESO ISS PBLA23 END 224.8
HIERARCH ESO ISS PBL24 START 47.868
HIERARCH ESO ISS PBL24 END 47.953
HIERARCH ESO ISS PBLA24 START 53.534
HIERARCH ESO ISS PBLA24 END 53.546
HIERARCH ESO ISS PBL34 START 75.709
HIERARCH ESO ISS PBL34 END 75.844
HIERARCH ESO ISS PBLA34 START 50.304
HIERARCH ESO ISS PBLA34 END 50.326
HIERARCH ESO ISS AMBI TAU0 START 0.001912
HIERARCH ESO ISS AMBI TAU0 END 0.001912
HIERARCH ESO ISS AMBI TEMP 8.15
HIERARCH ESO ISS AMBI FWHM START 1.38
HIERARCH ESO ISS AMBI FWHM END 1.38