Exposure
ID
PIONI.2016-05-31T01:18:47.239_1
Header ID
PIONI.2016-05-31T01:18:47.239
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 01:18:47.240
UTC End
2016-05-31 01:19:12.840
MJD Start
57539.0547134243
MJD End
57539.0550097206
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002699
Ambient temperature (°C)
8.65
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 66.8760 66.9100 277.3000 277.2000
K0-D0 85.2860 85.3930 262.7000 262.7000
K0-J3 46.7050 46.6550 319.7210 319.7320
G2-D0 26.5350 26.5860 223.5000 223.6000
G2-J3 45.2100 45.3000 53.0790 53.1020
D0-J3 71.5120 71.6530 49.5390 49.5730
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 57539.0547134243
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 66.876
HIERARCH ESO ISS PBL12 END 66.91
HIERARCH ESO ISS PBLA12 START 277.3
HIERARCH ESO ISS PBLA12 END 277.2
HIERARCH ESO ISS PBL13 START 85.286
HIERARCH ESO ISS PBL13 END 85.393
HIERARCH ESO ISS PBLA13 START 262.7
HIERARCH ESO ISS PBLA13 END 262.7
HIERARCH ESO ISS PBL14 START 46.705
HIERARCH ESO ISS PBL14 END 46.655
HIERARCH ESO ISS PBLA14 START 319.721
HIERARCH ESO ISS PBLA14 END 319.732
HIERARCH ESO ISS PBL23 START 26.535
HIERARCH ESO ISS PBL23 END 26.586
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 45.21
HIERARCH ESO ISS PBL24 END 45.3
HIERARCH ESO ISS PBLA24 START 53.079
HIERARCH ESO ISS PBLA24 END 53.102
HIERARCH ESO ISS PBL34 START 71.512
HIERARCH ESO ISS PBL34 END 71.653
HIERARCH ESO ISS PBLA34 START 49.539
HIERARCH ESO ISS PBLA34 END 49.573
HIERARCH ESO ISS AMBI TAU0 START 0.002668
HIERARCH ESO ISS AMBI TAU0 END 0.00273
HIERARCH ESO ISS AMBI TEMP 8.65
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62