Exposure
ID
PIONI.2021-10-30T03:22:06.084_1
Header ID
PIONI.2021-10-30T03:22:06.084
Date updated
2021-10-30 03:31:37 UTC+0000
Release date
2021-10-30 03:22:06 UTC+0000
UTC Start
2021-10-30 03:22:06.085
UTC End
2021-10-30 03:22:31.685
MJD Start
59517.1403482007
MJD End
59517.140644497
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006824
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.72
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.9130 24.9210 136.5000 136.5000
A0-D0 22.9700 23.0220 62.5000 62.6000
A0-C1 20.1150 20.1400 115.0430 115.0180
B2-D0 28.8400 28.8450 6.4000 6.5000
B2-C1 9.6090 9.6110 6.3660 6.4660
D0-C1 19.2300 19.2340 186.4280 186.5290
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 59517.1403482007
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.913
HIERARCH ESO ISS PBL12 END 24.921
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 22.97
HIERARCH ESO ISS PBL13 END 23.022
HIERARCH ESO ISS PBLA13 START 62.5
HIERARCH ESO ISS PBLA13 END 62.6
HIERARCH ESO ISS PBL14 START 20.115
HIERARCH ESO ISS PBL14 END 20.14
HIERARCH ESO ISS PBLA14 START 115.043
HIERARCH ESO ISS PBLA14 END 115.018
HIERARCH ESO ISS PBL23 START 28.84
HIERARCH ESO ISS PBL23 END 28.845
HIERARCH ESO ISS PBLA23 START 6.4
HIERARCH ESO ISS PBLA23 END 6.5
HIERARCH ESO ISS PBL24 START 9.609
HIERARCH ESO ISS PBL24 END 9.611
HIERARCH ESO ISS PBLA24 START 6.366
HIERARCH ESO ISS PBLA24 END 6.466
HIERARCH ESO ISS PBL34 START 19.23
HIERARCH ESO ISS PBL34 END 19.234
HIERARCH ESO ISS PBLA34 START 186.428
HIERARCH ESO ISS PBLA34 END 186.529
HIERARCH ESO ISS AMBI TAU0 START 0.006824
HIERARCH ESO ISS AMBI TAU0 END 0.006824
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72