Exposure
ID
PIONI.2016-05-31T01:38:53.777_1
Header ID
PIONI.2016-05-31T01:38:53.777
Date updated
2016-05-31 01:50:52 UTC+0000
Release date
2017-05-31 01:50:52 UTC+0000
UTC Start
2016-05-31 01:38:53.777
UTC End
2016-05-31 01:39:19.377
MJD Start
57539.06867798
MJD End
57539.0689742763
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0019425
Ambient temperature (°C)
8.08
Seeing (arcsec)
0.85
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 67.7830 67.8040 275.1000 275.0000
K0-D0 88.4920 88.5790 260.9000 260.9000
K0-J3 45.0050 44.9530 320.1150 320.1320
G2-D0 28.1570 28.2050 224.9000 224.9000
G2-J3 48.0590 48.1410 53.5570 53.5660
D0-J3 76.0120 76.1420 50.3490 50.3670
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 57539.06867798
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 67.783
HIERARCH ESO ISS PBL12 END 67.804
HIERARCH ESO ISS PBLA12 START 275.1
HIERARCH ESO ISS PBLA12 END 275.0
HIERARCH ESO ISS PBL13 START 88.492
HIERARCH ESO ISS PBL13 END 88.579
HIERARCH ESO ISS PBLA13 START 260.9
HIERARCH ESO ISS PBLA13 END 260.9
HIERARCH ESO ISS PBL14 START 45.005
HIERARCH ESO ISS PBL14 END 44.953
HIERARCH ESO ISS PBLA14 START 320.115
HIERARCH ESO ISS PBLA14 END 320.132
HIERARCH ESO ISS PBL23 START 28.157
HIERARCH ESO ISS PBL23 END 28.205
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 224.9
HIERARCH ESO ISS PBL24 START 48.059
HIERARCH ESO ISS PBL24 END 48.141
HIERARCH ESO ISS PBLA24 START 53.557
HIERARCH ESO ISS PBLA24 END 53.566
HIERARCH ESO ISS PBL34 START 76.012
HIERARCH ESO ISS PBL34 END 76.142
HIERARCH ESO ISS PBLA34 START 50.349
HIERARCH ESO ISS PBLA34 END 50.367
HIERARCH ESO ISS AMBI TAU0 START 0.001912
HIERARCH ESO ISS AMBI TAU0 END 0.001973
HIERARCH ESO ISS AMBI TEMP 8.08
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85