Exposure
ID
PIONI.2021-11-08T05:29:23.456_1
Header ID
PIONI.2021-11-08T05:29:23.456
Date updated
2021-11-08 05:35:37 UTC+0000
Release date
2021-11-08 05:29:23 UTC+0000
UTC Start
2021-11-08 05:29:23.456
UTC End
2021-11-08 05:29:49.056
MJD Start
59526.2287437036
MJD End
59526.2290399999
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007486
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.46
Observation
ID
48811
Category
calibrator
Program ID
108.227F.001
Program Title
THE FIRST INTERFEROMETRIC IMAGE OF A SUNLIKE STAR: EPS ERIDANI
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ FISCHER/ DAVIES
Target
ID
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.1320 89.0940 114.5000 114.5000
A0-J2 129.1750 129.1640 92.7000 92.7000
A0-J3 128.2800 128.3440 48.2780 48.3110
G1-J2 57.0320 57.0580 57.2000 57.2000
G1-J3 123.1740 123.1890 6.8160 6.8820
J2-J3 97.2440 97.2110 339.9790 340.0400
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227F.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59526.2287437036
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
DEC -2.95473
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 89.132
HIERARCH ESO ISS PBL12 END 89.094
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.175
HIERARCH ESO ISS PBL13 END 129.164
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 128.28
HIERARCH ESO ISS PBL14 END 128.344
HIERARCH ESO ISS PBLA14 START 48.278
HIERARCH ESO ISS PBLA14 END 48.311
HIERARCH ESO ISS PBL23 START 57.032
HIERARCH ESO ISS PBL23 END 57.058
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 123.174
HIERARCH ESO ISS PBL24 END 123.189
HIERARCH ESO ISS PBLA24 START 6.816
HIERARCH ESO ISS PBLA24 END 6.882
HIERARCH ESO ISS PBL34 START 97.244
HIERARCH ESO ISS PBL34 END 97.211
HIERARCH ESO ISS PBLA34 START 339.979
HIERARCH ESO ISS PBLA34 END 340.04
HIERARCH ESO ISS AMBI TAU0 START 0.007261
HIERARCH ESO ISS AMBI TAU0 END 0.007711
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46