Exposure
ID
PIONI.2016-05-31T02:20:34.821_1
Header ID
PIONI.2016-05-31T02:20:34.821
Date updated
2016-05-31 02:25:49 UTC+0000
Release date
2017-05-31 02:25:48 UTC+0000
UTC Start
2016-05-31 02:20:34.821
UTC End
2016-05-31 02:21:00.421
MJD Start
57539.0976252425
MJD End
57539.0979215388
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002387
Ambient temperature (°C)
8.09
Seeing (arcsec)
0.98
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 68.3020 68.2960 270.6000 270.6000
K0-D0 93.3300 93.3830 257.1000 257.0000
K0-J3 41.1980 41.1390 321.9380 321.9790
G2-D0 31.3130 31.3570 226.4000 226.4000
G2-J3 53.3420 53.4140 53.5400 53.5330
D0-J3 84.5010 84.6170 50.8950 50.8960
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 57539.0976252425
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 68.302
HIERARCH ESO ISS PBL12 END 68.296
HIERARCH ESO ISS PBLA12 START 270.6
HIERARCH ESO ISS PBLA12 END 270.6
HIERARCH ESO ISS PBL13 START 93.33
HIERARCH ESO ISS PBL13 END 93.383
HIERARCH ESO ISS PBLA13 START 257.1
HIERARCH ESO ISS PBLA13 END 257.0
HIERARCH ESO ISS PBL14 START 41.198
HIERARCH ESO ISS PBL14 END 41.139
HIERARCH ESO ISS PBLA14 START 321.938
HIERARCH ESO ISS PBLA14 END 321.979
HIERARCH ESO ISS PBL23 START 31.313
HIERARCH ESO ISS PBL23 END 31.357
HIERARCH ESO ISS PBLA23 START 226.4
HIERARCH ESO ISS PBLA23 END 226.4
HIERARCH ESO ISS PBL24 START 53.342
HIERARCH ESO ISS PBL24 END 53.414
HIERARCH ESO ISS PBLA24 START 53.54
HIERARCH ESO ISS PBLA24 END 53.533
HIERARCH ESO ISS PBL34 START 84.501
HIERARCH ESO ISS PBL34 END 84.617
HIERARCH ESO ISS PBLA34 START 50.895
HIERARCH ESO ISS PBLA34 END 50.896
HIERARCH ESO ISS AMBI TAU0 START 0.002324
HIERARCH ESO ISS AMBI TAU0 END 0.00245
HIERARCH ESO ISS AMBI TEMP 8.09
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.99