Exposure
ID
PIONI.2016-05-31T01:19:28.362_1
Header ID
PIONI.2016-05-31T01:19:28.362
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 01:19:28.362
UTC End
2016-05-31 01:19:53.962
MJD Start
57539.0551893739
MJD End
57539.0554856702
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00273
Ambient temperature (°C)
8.62
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 66.9140 66.9470 277.2000 277.1000
K0-D0 85.4040 85.5100 262.7000 262.6000
K0-J3 46.6490 46.5990 319.7320 319.7380
G2-D0 26.5910 26.6410 223.6000 223.6000
G2-J3 45.3090 45.3990 53.1040 53.1210
D0-J3 71.6680 71.8090 49.5760 49.6040
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 57539.0551893739
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 66.914
HIERARCH ESO ISS PBL12 END 66.947
HIERARCH ESO ISS PBLA12 START 277.2
HIERARCH ESO ISS PBLA12 END 277.1
HIERARCH ESO ISS PBL13 START 85.404
HIERARCH ESO ISS PBL13 END 85.51
HIERARCH ESO ISS PBLA13 START 262.7
HIERARCH ESO ISS PBLA13 END 262.6
HIERARCH ESO ISS PBL14 START 46.649
HIERARCH ESO ISS PBL14 END 46.599
HIERARCH ESO ISS PBLA14 START 319.732
HIERARCH ESO ISS PBLA14 END 319.738
HIERARCH ESO ISS PBL23 START 26.591
HIERARCH ESO ISS PBL23 END 26.641
HIERARCH ESO ISS PBLA23 START 223.6
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 45.309
HIERARCH ESO ISS PBL24 END 45.399
HIERARCH ESO ISS PBLA24 START 53.104
HIERARCH ESO ISS PBLA24 END 53.121
HIERARCH ESO ISS PBL34 START 71.668
HIERARCH ESO ISS PBL34 END 71.809
HIERARCH ESO ISS PBLA34 START 49.576
HIERARCH ESO ISS PBLA34 END 49.604
HIERARCH ESO ISS AMBI TAU0 START 0.00273
HIERARCH ESO ISS AMBI TAU0 END 0.00273
HIERARCH ESO ISS AMBI TEMP 8.62
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62