Exposure
ID
PIONI.2016-05-31T01:22:54.041_1
Header ID
PIONI.2016-05-31T01:22:54.041
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 01:22:54.041
UTC End
2016-05-31 01:23:19.641
MJD Start
57539.0575699229
MJD End
57539.0578662192
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002673
Ambient temperature (°C)
8.57
Seeing (arcsec)
0.635
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 67.0960 67.1270 276.8000 276.8000
K0-D0 85.9870 86.0900 262.4000 262.3000
K0-J3 46.3660 46.3150 319.7810 319.7880
G2-D0 26.8710 26.9210 223.8000 223.9000
G2-J3 45.8070 45.8950 53.2090 53.2240
D0-J3 72.4500 72.5900 49.7410 49.7670
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 57539.0575699229
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 67.096
HIERARCH ESO ISS PBL12 END 67.127
HIERARCH ESO ISS PBLA12 START 276.8
HIERARCH ESO ISS PBLA12 END 276.8
HIERARCH ESO ISS PBL13 START 85.987
HIERARCH ESO ISS PBL13 END 86.09
HIERARCH ESO ISS PBLA13 START 262.4
HIERARCH ESO ISS PBLA13 END 262.3
HIERARCH ESO ISS PBL14 START 46.366
HIERARCH ESO ISS PBL14 END 46.315
HIERARCH ESO ISS PBLA14 START 319.781
HIERARCH ESO ISS PBLA14 END 319.788
HIERARCH ESO ISS PBL23 START 26.871
HIERARCH ESO ISS PBL23 END 26.921
HIERARCH ESO ISS PBLA23 START 223.8
HIERARCH ESO ISS PBLA23 END 223.9
HIERARCH ESO ISS PBL24 START 45.807
HIERARCH ESO ISS PBL24 END 45.895
HIERARCH ESO ISS PBLA24 START 53.209
HIERARCH ESO ISS PBLA24 END 53.224
HIERARCH ESO ISS PBL34 START 72.45
HIERARCH ESO ISS PBL34 END 72.59
HIERARCH ESO ISS PBLA34 START 49.741
HIERARCH ESO ISS PBLA34 END 49.767
HIERARCH ESO ISS AMBI TAU0 START 0.002757
HIERARCH ESO ISS AMBI TAU0 END 0.002589
HIERARCH ESO ISS AMBI TEMP 8.57
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.65