Exposure
ID
PIONI.2021-11-08T06:56:06.148_1
Header ID
PIONI.2021-11-08T06:56:06.148
Date updated
2021-11-08 07:07:03 UTC+0000
Release date
2021-11-08 06:56:06 UTC+0000
UTC Start
2021-11-08 06:56:06.148
UTC End
2021-11-08 06:56:31.748
MJD Start
59526.2889600485
MJD End
59526.2892563448
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006224
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.585
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 74.2630 74.1440 118.7000 118.8000
A0-J2 114.1380 113.9780 92.7000 92.7000
A0-J3 132.1740 132.1580 50.7290 50.7220
G1-J2 57.5480 57.5280 58.1000 58.1000
G1-J3 125.0000 125.0340 17.3040 17.3530
J2-J3 89.7330 89.7150 352.5080 352.5940
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 59526.2889600485
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 74.263
HIERARCH ESO ISS PBL12 END 74.144
HIERARCH ESO ISS PBLA12 START 118.7
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 114.138
HIERARCH ESO ISS PBL13 END 113.978
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 132.174
HIERARCH ESO ISS PBL14 END 132.158
HIERARCH ESO ISS PBLA14 START 50.729
HIERARCH ESO ISS PBLA14 END 50.722
HIERARCH ESO ISS PBL23 START 57.548
HIERARCH ESO ISS PBL23 END 57.528
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 125.0
HIERARCH ESO ISS PBL24 END 125.034
HIERARCH ESO ISS PBLA24 START 17.304
HIERARCH ESO ISS PBLA24 END 17.353
HIERARCH ESO ISS PBL34 START 89.733
HIERARCH ESO ISS PBL34 END 89.715
HIERARCH ESO ISS PBLA34 START 352.508
HIERARCH ESO ISS PBLA34 END 352.594
HIERARCH ESO ISS AMBI TAU0 START 0.006548
HIERARCH ESO ISS AMBI TAU0 END 0.0059
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.61