Exposure
ID
PIONI.2016-05-31T01:20:50.528_1
Header ID
PIONI.2016-05-31T01:20:50.528
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 01:20:50.528
UTC End
2016-05-31 01:21:16.128
MJD Start
57539.0561403688
MJD End
57539.0564366651
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0027455
Ambient temperature (°C)
8.58
Seeing (arcsec)
0.605
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 66.9880 67.0200 277.1000 277.0000
K0-D0 85.6380 85.7430 262.6000 262.5000
K0-J3 46.5370 46.4860 319.7510 319.7570
G2-D0 26.7020 26.7530 223.7000 223.7000
G2-J3 45.5080 45.5970 53.1470 53.1640
D0-J3 71.9800 72.1200 49.6430 49.6700
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 57539.0561403688
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 66.988
HIERARCH ESO ISS PBL12 END 67.02
HIERARCH ESO ISS PBLA12 START 277.1
HIERARCH ESO ISS PBLA12 END 277.0
HIERARCH ESO ISS PBL13 START 85.638
HIERARCH ESO ISS PBL13 END 85.743
HIERARCH ESO ISS PBLA13 START 262.6
HIERARCH ESO ISS PBLA13 END 262.5
HIERARCH ESO ISS PBL14 START 46.537
HIERARCH ESO ISS PBL14 END 46.486
HIERARCH ESO ISS PBLA14 START 319.751
HIERARCH ESO ISS PBLA14 END 319.757
HIERARCH ESO ISS PBL23 START 26.702
HIERARCH ESO ISS PBL23 END 26.753
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 45.508
HIERARCH ESO ISS PBL24 END 45.597
HIERARCH ESO ISS PBLA24 START 53.147
HIERARCH ESO ISS PBLA24 END 53.164
HIERARCH ESO ISS PBL34 START 71.98
HIERARCH ESO ISS PBL34 END 72.12
HIERARCH ESO ISS PBLA34 START 49.643
HIERARCH ESO ISS PBLA34 END 49.67
HIERARCH ESO ISS AMBI TAU0 START 0.002734
HIERARCH ESO ISS AMBI TAU0 END 0.002757
HIERARCH ESO ISS AMBI TEMP 8.58
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.62