Exposure
ID
PIONI.2021-11-10T05:14:47.409_1
Header ID
PIONI.2021-11-10T05:14:47.409
Date updated
2021-11-10 05:21:19 UTC+0000
Release date
2021-11-10 05:14:47 UTC+0000
UTC Start
2021-11-10 05:14:47.409
UTC End
2021-11-10 05:15:13.009
MJD Start
59528.2186042652
MJD End
59528.2189005615
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003066
Ambient temperature (°C)
9.66
Seeing (arcsec)
0.66
Observation
ID
48815
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
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
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 87.8920 87.8400 114.1000 114.1000
A0-J2 128.8240 128.7970 92.5000 92.5000
A0-J3 128.1600 128.2260 49.4420 49.4660
G1-J2 57.1220 57.1470 58.1000 58.1000
G1-J3 120.4770 120.4980 8.1820 8.2480
J2-J3 94.3930 94.3550 340.6130 340.6780
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 59528.2186042652
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 87.892
HIERARCH ESO ISS PBL12 END 87.84
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 128.824
HIERARCH ESO ISS PBL13 END 128.797
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 128.16
HIERARCH ESO ISS PBL14 END 128.226
HIERARCH ESO ISS PBLA14 START 49.442
HIERARCH ESO ISS PBLA14 END 49.466
HIERARCH ESO ISS PBL23 START 57.122
HIERARCH ESO ISS PBL23 END 57.147
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 120.477
HIERARCH ESO ISS PBL24 END 120.498
HIERARCH ESO ISS PBLA24 START 8.182
HIERARCH ESO ISS PBLA24 END 8.248
HIERARCH ESO ISS PBL34 START 94.393
HIERARCH ESO ISS PBL34 END 94.355
HIERARCH ESO ISS PBLA34 START 340.613
HIERARCH ESO ISS PBLA34 END 340.678
HIERARCH ESO ISS AMBI TAU0 START 0.003066
HIERARCH ESO ISS AMBI TAU0 END 0.003066
HIERARCH ESO ISS AMBI TEMP 9.66
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66