Exposure
ID
PIONI.2016-05-31T02:06:35.098_1
Header ID
PIONI.2016-05-31T02:06:35.098
Date updated
2016-05-31 02:15:55 UTC+0000
Release date
2017-05-31 02:15:55 UTC+0000
UTC Start
2016-05-31 02:06:35.099
UTC End
2016-05-31 02:07:00.699
MJD Start
57539.087906233
MJD End
57539.0882025293
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0020445
Ambient temperature (°C)
8.46
Seeing (arcsec)
1.07
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 68.3350 68.3380 272.1000 272.0000
K0-D0 91.9800 92.0450 258.4000 258.3000
K0-J3 42.5110 42.4530 321.1580 321.1910
G2-D0 30.2910 30.3370 226.0000 226.1000
G2-J3 51.6690 51.7450 53.6770 53.6760
D0-J3 81.7910 81.9140 50.8590 50.8660
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 57539.087906233
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 68.335
HIERARCH ESO ISS PBL12 END 68.338
HIERARCH ESO ISS PBLA12 START 272.1
HIERARCH ESO ISS PBLA12 END 272.0
HIERARCH ESO ISS PBL13 START 91.98
HIERARCH ESO ISS PBL13 END 92.045
HIERARCH ESO ISS PBLA13 START 258.4
HIERARCH ESO ISS PBLA13 END 258.3
HIERARCH ESO ISS PBL14 START 42.511
HIERARCH ESO ISS PBL14 END 42.453
HIERARCH ESO ISS PBLA14 START 321.158
HIERARCH ESO ISS PBLA14 END 321.191
HIERARCH ESO ISS PBL23 START 30.291
HIERARCH ESO ISS PBL23 END 30.337
HIERARCH ESO ISS PBLA23 START 226.0
HIERARCH ESO ISS PBLA23 END 226.1
HIERARCH ESO ISS PBL24 START 51.669
HIERARCH ESO ISS PBL24 END 51.745
HIERARCH ESO ISS PBLA24 START 53.677
HIERARCH ESO ISS PBLA24 END 53.676
HIERARCH ESO ISS PBL34 START 81.791
HIERARCH ESO ISS PBL34 END 81.914
HIERARCH ESO ISS PBLA34 START 50.859
HIERARCH ESO ISS PBLA34 END 50.866
HIERARCH ESO ISS AMBI TAU0 START 0.002004
HIERARCH ESO ISS AMBI TAU0 END 0.002085
HIERARCH ESO ISS AMBI TEMP 8.46
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.0