Exposure
ID
PIONI.2016-05-31T01:23:35.407_1
Header ID
PIONI.2016-05-31T01:23:35.407
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 01:23:35.407
UTC End
2016-05-31 01:24:01.007
MJD Start
57539.0580486874
MJD End
57539.0583449837
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0025785
Ambient temperature (°C)
8.58
Seeing (arcsec)
0.625
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 67.1300 67.1610 276.7000 276.7000
K0-D0 86.1010 86.2040 262.3000 262.3000
K0-J3 46.3090 46.2580 319.7890 319.8010
G2-D0 26.9260 26.9760 223.9000 223.9000
G2-J3 45.9050 45.9940 53.2260 53.2460
D0-J3 72.6050 72.7450 49.7700 49.8000
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 57539.0580486874
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 67.13
HIERARCH ESO ISS PBL12 END 67.161
HIERARCH ESO ISS PBLA12 START 276.7
HIERARCH ESO ISS PBLA12 END 276.7
HIERARCH ESO ISS PBL13 START 86.101
HIERARCH ESO ISS PBL13 END 86.204
HIERARCH ESO ISS PBLA13 START 262.3
HIERARCH ESO ISS PBLA13 END 262.3
HIERARCH ESO ISS PBL14 START 46.309
HIERARCH ESO ISS PBL14 END 46.258
HIERARCH ESO ISS PBLA14 START 319.789
HIERARCH ESO ISS PBLA14 END 319.801
HIERARCH ESO ISS PBL23 START 26.926
HIERARCH ESO ISS PBL23 END 26.976
HIERARCH ESO ISS PBLA23 START 223.9
HIERARCH ESO ISS PBLA23 END 223.9
HIERARCH ESO ISS PBL24 START 45.905
HIERARCH ESO ISS PBL24 END 45.994
HIERARCH ESO ISS PBLA24 START 53.226
HIERARCH ESO ISS PBLA24 END 53.246
HIERARCH ESO ISS PBL34 START 72.605
HIERARCH ESO ISS PBL34 END 72.745
HIERARCH ESO ISS PBLA34 START 49.77
HIERARCH ESO ISS PBLA34 END 49.8
HIERARCH ESO ISS AMBI TAU0 START 0.002589
HIERARCH ESO ISS AMBI TAU0 END 0.002568
HIERARCH ESO ISS AMBI TEMP 8.58
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.6