Exposure
ID
PIONI.2021-10-30T03:24:00.463_1
Header ID
PIONI.2021-10-30T03:24:00.463
Date updated
2021-10-30 03:31:37 UTC+0000
Release date
2021-10-30 03:24:00 UTC+0000
UTC Start
2021-10-30 03:24:00.462
UTC End
2021-10-30 03:24:26.062
MJD Start
59517.1416720161
MJD End
59517.1419683124
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00685
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.54
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 24.9380 24.9460 136.4000 136.4000
A0-D0 23.1350 23.1850 62.8000 62.8000
A0-C1 20.1930 20.2170 114.9640 114.9400
B2-D0 28.8570 28.8620 6.7000 6.8000
B2-C1 9.6150 9.6170 6.6850 6.7820
D0-C1 19.2420 19.2450 186.7480 186.8450
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 59517.1416720161
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 24.938
HIERARCH ESO ISS PBL12 END 24.946
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 23.135
HIERARCH ESO ISS PBL13 END 23.185
HIERARCH ESO ISS PBLA13 START 62.8
HIERARCH ESO ISS PBLA13 END 62.8
HIERARCH ESO ISS PBL14 START 20.193
HIERARCH ESO ISS PBL14 END 20.217
HIERARCH ESO ISS PBLA14 START 114.964
HIERARCH ESO ISS PBLA14 END 114.94
HIERARCH ESO ISS PBL23 START 28.857
HIERARCH ESO ISS PBL23 END 28.862
HIERARCH ESO ISS PBLA23 START 6.7
HIERARCH ESO ISS PBLA23 END 6.8
HIERARCH ESO ISS PBL24 START 9.615
HIERARCH ESO ISS PBL24 END 9.617
HIERARCH ESO ISS PBLA24 START 6.685
HIERARCH ESO ISS PBLA24 END 6.782
HIERARCH ESO ISS PBL34 START 19.242
HIERARCH ESO ISS PBL34 END 19.245
HIERARCH ESO ISS PBLA34 START 186.748
HIERARCH ESO ISS PBLA34 END 186.845
HIERARCH ESO ISS AMBI TAU0 START 0.00685
HIERARCH ESO ISS AMBI TAU0 END 0.00685
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54