Exposure
ID
PIONI.2021-11-10T05:15:25.385_1
Header ID
PIONI.2021-11-10T05:15:25.385
Date updated
2021-11-10 05:21:19 UTC+0000
Release date
2021-11-10 05:15:25 UTC+0000
UTC Start
2021-11-10 05:15:25.385
UTC End
2021-11-10 05:15:50.985
MJD Start
59528.2190438057
MJD End
59528.219340102
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00313
Ambient temperature (°C)
9.66
Seeing (arcsec)
0.64
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 87.8370 87.7840 114.1000 114.2000
A0-J2 128.7950 128.7670 92.5000 92.5000
A0-J3 128.2300 128.2960 49.4670 49.4910
G1-J2 57.1480 57.1730 58.1000 58.1000
G1-J3 120.4990 120.5200 8.2520 8.3190
J2-J3 94.3520 94.3140 340.6810 340.7460
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 59528.2190438057
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 87.837
HIERARCH ESO ISS PBL12 END 87.784
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.795
HIERARCH ESO ISS PBL13 END 128.767
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 128.23
HIERARCH ESO ISS PBL14 END 128.296
HIERARCH ESO ISS PBLA14 START 49.467
HIERARCH ESO ISS PBLA14 END 49.491
HIERARCH ESO ISS PBL23 START 57.148
HIERARCH ESO ISS PBL23 END 57.173
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 120.499
HIERARCH ESO ISS PBL24 END 120.52
HIERARCH ESO ISS PBLA24 START 8.252
HIERARCH ESO ISS PBLA24 END 8.319
HIERARCH ESO ISS PBL34 START 94.352
HIERARCH ESO ISS PBL34 END 94.314
HIERARCH ESO ISS PBLA34 START 340.681
HIERARCH ESO ISS PBLA34 END 340.746
HIERARCH ESO ISS AMBI TAU0 START 0.003066
HIERARCH ESO ISS AMBI TAU0 END 0.003194
HIERARCH ESO ISS AMBI TEMP 9.66
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.62