Exposure
ID
PIONI.2016-05-31T01:53:59.921_1
Header ID
PIONI.2016-05-31T01:53:59.921
Date updated
2016-05-31 02:00:49 UTC+0000
Release date
2017-05-31 02:00:49 UTC+0000
UTC Start
2016-05-31 01:53:59.921
UTC End
2016-05-31 01:54:25.521
MJD Start
57539.0791657497
MJD End
57539.079462046
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0022985
Ambient temperature (°C)
8.21
Seeing (arcsec)
1.065
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 68.1850 68.1970 273.4000 273.4000
K0-D0 90.5280 90.6050 259.5000 259.5000
K0-J3 43.6640 43.6080 320.6070 320.6290
G2-D0 29.3380 29.3850 225.6000 225.6000
G2-J3 50.0760 50.1560 53.6930 53.6920
D0-J3 79.2300 79.3580 50.7060 50.7140
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 57539.0791657497
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 68.185
HIERARCH ESO ISS PBL12 END 68.197
HIERARCH ESO ISS PBLA12 START 273.4
HIERARCH ESO ISS PBLA12 END 273.4
HIERARCH ESO ISS PBL13 START 90.528
HIERARCH ESO ISS PBL13 END 90.605
HIERARCH ESO ISS PBLA13 START 259.5
HIERARCH ESO ISS PBLA13 END 259.5
HIERARCH ESO ISS PBL14 START 43.664
HIERARCH ESO ISS PBL14 END 43.608
HIERARCH ESO ISS PBLA14 START 320.607
HIERARCH ESO ISS PBLA14 END 320.629
HIERARCH ESO ISS PBL23 START 29.338
HIERARCH ESO ISS PBL23 END 29.385
HIERARCH ESO ISS PBLA23 START 225.6
HIERARCH ESO ISS PBLA23 END 225.6
HIERARCH ESO ISS PBL24 START 50.076
HIERARCH ESO ISS PBL24 END 50.156
HIERARCH ESO ISS PBLA24 START 53.693
HIERARCH ESO ISS PBLA24 END 53.692
HIERARCH ESO ISS PBL34 START 79.23
HIERARCH ESO ISS PBL34 END 79.358
HIERARCH ESO ISS PBLA34 START 50.706
HIERARCH ESO ISS PBLA34 END 50.714
HIERARCH ESO ISS AMBI TAU0 START 0.002307
HIERARCH ESO ISS AMBI TAU0 END 0.00229
HIERARCH ESO ISS AMBI TEMP 8.21
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 0.94