Exposure
ID
PIONI.2021-10-30T03:09:47.072_1
Header ID
PIONI.2021-10-30T03:09:47.072
Date updated
2021-10-30 03:16:12 UTC+0000
Release date
2021-10-30 03:09:47 UTC+0000
UTC Start
2021-10-30 03:09:47.071
UTC End
2021-10-30 03:10:12.671
MJD Start
59517.1317948075
MJD End
59517.1320911038
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007723
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.52
Observation
ID
48670
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
36450
Name
10 Tau
RA
54.215025
DEC
0.39726
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 25.1260 25.1310 136.7000 136.7000
A0-D0 22.8450 22.8990 66.0000 66.1000
A0-C1 20.5630 20.5850 116.2780 116.2460
B2-D0 27.8020 27.8090 7.5000 7.6000
B2-C1 9.2640 9.2660 7.4860 7.5890
D0-C1 18.5390 18.5430 187.5520 187.6550
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 59517.1317948075
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215025
DEC 0.39726
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 25.126
HIERARCH ESO ISS PBL12 END 25.131
HIERARCH ESO ISS PBLA12 START 136.7
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 22.845
HIERARCH ESO ISS PBL13 END 22.899
HIERARCH ESO ISS PBLA13 START 66.0
HIERARCH ESO ISS PBLA13 END 66.1
HIERARCH ESO ISS PBL14 START 20.563
HIERARCH ESO ISS PBL14 END 20.585
HIERARCH ESO ISS PBLA14 START 116.278
HIERARCH ESO ISS PBLA14 END 116.246
HIERARCH ESO ISS PBL23 START 27.802
HIERARCH ESO ISS PBL23 END 27.809
HIERARCH ESO ISS PBLA23 START 7.5
HIERARCH ESO ISS PBLA23 END 7.6
HIERARCH ESO ISS PBL24 START 9.264
HIERARCH ESO ISS PBL24 END 9.266
HIERARCH ESO ISS PBLA24 START 7.486
HIERARCH ESO ISS PBLA24 END 7.589
HIERARCH ESO ISS PBL34 START 18.539
HIERARCH ESO ISS PBL34 END 18.543
HIERARCH ESO ISS PBLA34 START 187.552
HIERARCH ESO ISS PBLA34 END 187.655
HIERARCH ESO ISS AMBI TAU0 START 0.007723
HIERARCH ESO ISS AMBI TAU0 END 0.007723
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52