Exposure
ID
PIONI.2016-05-31T02:21:15.858_1
Header ID
PIONI.2016-05-31T02:21:15.858
Date updated
2016-05-31 02:30:30 UTC+0000
Release date
2017-05-31 02:30:30 UTC+0000
UTC Start
2016-05-31 02:21:15.858
UTC End
2016-05-31 02:21:41.458
MJD Start
57539.0981002054
MJD End
57539.0983965017
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00245
Ambient temperature (°C)
8.11
Seeing (arcsec)
0.99
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 68.2950 68.2890 270.6000 270.5000
K0-D0 93.3890 93.4410 257.0000 257.0000
K0-J3 41.1330 41.0740 321.9830 322.0200
G2-D0 31.3610 31.4050 226.4000 226.4000
G2-J3 53.4210 53.4920 53.5320 53.5210
D0-J3 84.6300 84.7450 50.8950 50.8910
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 57539.0981002054
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 68.295
HIERARCH ESO ISS PBL12 END 68.289
HIERARCH ESO ISS PBLA12 START 270.6
HIERARCH ESO ISS PBLA12 END 270.5
HIERARCH ESO ISS PBL13 START 93.389
HIERARCH ESO ISS PBL13 END 93.441
HIERARCH ESO ISS PBLA13 START 257.0
HIERARCH ESO ISS PBLA13 END 257.0
HIERARCH ESO ISS PBL14 START 41.133
HIERARCH ESO ISS PBL14 END 41.074
HIERARCH ESO ISS PBLA14 START 321.983
HIERARCH ESO ISS PBLA14 END 322.02
HIERARCH ESO ISS PBL23 START 31.361
HIERARCH ESO ISS PBL23 END 31.405
HIERARCH ESO ISS PBLA23 START 226.4
HIERARCH ESO ISS PBLA23 END 226.4
HIERARCH ESO ISS PBL24 START 53.421
HIERARCH ESO ISS PBL24 END 53.492
HIERARCH ESO ISS PBLA24 START 53.532
HIERARCH ESO ISS PBLA24 END 53.521
HIERARCH ESO ISS PBL34 START 84.63
HIERARCH ESO ISS PBL34 END 84.745
HIERARCH ESO ISS PBLA34 START 50.895
HIERARCH ESO ISS PBLA34 END 50.891
HIERARCH ESO ISS AMBI TAU0 START 0.00245
HIERARCH ESO ISS AMBI TAU0 END 0.00245
HIERARCH ESO ISS AMBI TEMP 8.11
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.99