Exposure
ID
PIONI.2016-05-31T02:23:19.098_1
Header ID
PIONI.2016-05-31T02:23:19.098
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 02:23:19.098
UTC End
2016-05-31 02:23:44.698
MJD Start
57539.0995266014
MJD End
57539.0998228977
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002122
Ambient temperature (°C)
8.05
Seeing (arcsec)
1.0
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 68.2710 68.2630 270.3000 270.3000
K0-D0 93.5610 93.6120 256.8000 256.8000
K0-J3 40.9380 40.8800 322.1120 322.1540
G2-D0 31.5070 31.5500 226.4000 226.4000
G2-J3 53.6560 53.7270 53.4990 53.4910
D0-J3 85.0130 85.1270 50.8860 50.8860
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 57539.0995266014
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 68.271
HIERARCH ESO ISS PBL12 END 68.263
HIERARCH ESO ISS PBLA12 START 270.3
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 93.561
HIERARCH ESO ISS PBL13 END 93.612
HIERARCH ESO ISS PBLA13 START 256.8
HIERARCH ESO ISS PBLA13 END 256.8
HIERARCH ESO ISS PBL14 START 40.938
HIERARCH ESO ISS PBL14 END 40.88
HIERARCH ESO ISS PBLA14 START 322.112
HIERARCH ESO ISS PBLA14 END 322.154
HIERARCH ESO ISS PBL23 START 31.507
HIERARCH ESO ISS PBL23 END 31.55
HIERARCH ESO ISS PBLA23 START 226.4
HIERARCH ESO ISS PBLA23 END 226.4
HIERARCH ESO ISS PBL24 START 53.656
HIERARCH ESO ISS PBL24 END 53.727
HIERARCH ESO ISS PBLA24 START 53.499
HIERARCH ESO ISS PBLA24 END 53.491
HIERARCH ESO ISS PBL34 START 85.013
HIERARCH ESO ISS PBL34 END 85.127
HIERARCH ESO ISS PBLA34 START 50.886
HIERARCH ESO ISS PBLA34 END 50.886
HIERARCH ESO ISS AMBI TAU0 START 0.002122
HIERARCH ESO ISS AMBI TAU0 END 0.002122
HIERARCH ESO ISS AMBI TEMP 8.05
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0