Exposure
ID
PIONI.2016-05-31T01:56:03.653_1
Header ID
PIONI.2016-05-31T01:56:03.653
Date updated
2016-05-31 02:05:47 UTC+0000
Release date
2017-05-31 02:05:47 UTC+0000
UTC Start
2016-05-31 01:56:03.653
UTC End
2016-05-31 01:56:29.253
MJD Start
57539.0805978342
MJD End
57539.0808941305
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002578
Ambient temperature (°C)
8.31
Seeing (arcsec)
0.91
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 68.2210 68.2310 273.2000 273.2000
K0-D0 90.7820 90.8550 259.4000 259.3000
K0-J3 43.4770 43.4210 320.6890 320.7120
G2-D0 29.4970 29.5440 225.7000 225.7000
G2-J3 50.3430 50.4230 53.6980 53.6970
D0-J3 79.6580 79.7860 50.7400 50.7470
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 57539.0805978342
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 68.221
HIERARCH ESO ISS PBL12 END 68.231
HIERARCH ESO ISS PBLA12 START 273.2
HIERARCH ESO ISS PBLA12 END 273.2
HIERARCH ESO ISS PBL13 START 90.782
HIERARCH ESO ISS PBL13 END 90.855
HIERARCH ESO ISS PBLA13 START 259.4
HIERARCH ESO ISS PBLA13 END 259.3
HIERARCH ESO ISS PBL14 START 43.477
HIERARCH ESO ISS PBL14 END 43.421
HIERARCH ESO ISS PBLA14 START 320.689
HIERARCH ESO ISS PBLA14 END 320.712
HIERARCH ESO ISS PBL23 START 29.497
HIERARCH ESO ISS PBL23 END 29.544
HIERARCH ESO ISS PBLA23 START 225.7
HIERARCH ESO ISS PBLA23 END 225.7
HIERARCH ESO ISS PBL24 START 50.343
HIERARCH ESO ISS PBL24 END 50.423
HIERARCH ESO ISS PBLA24 START 53.698
HIERARCH ESO ISS PBLA24 END 53.697
HIERARCH ESO ISS PBL34 START 79.658
HIERARCH ESO ISS PBL34 END 79.786
HIERARCH ESO ISS PBLA34 START 50.74
HIERARCH ESO ISS PBLA34 END 50.747
HIERARCH ESO ISS AMBI TAU0 START 0.002578
HIERARCH ESO ISS AMBI TAU0 END 0.002578
HIERARCH ESO ISS AMBI TEMP 8.31
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91