Exposure
ID
PIONI.2021-11-08T06:56:44.302_1
Header ID
PIONI.2021-11-08T06:56:44.302
Date updated
2021-11-08 07:07:03 UTC+0000
Release date
2021-11-08 06:56:44 UTC+0000
UTC Start
2021-11-08 06:56:44.301
UTC End
2021-11-08 06:57:09.901
MJD Start
59526.2894016355
MJD End
59526.2896979318
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0059
Ambient temperature (°C)
12.98
Seeing (arcsec)
0.61
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 74.1370 74.0170 118.8000 118.8000
A0-J2 113.9690 113.8090 92.7000 92.7000
A0-J3 132.1570 132.1390 50.7210 50.7140
G1-J2 57.5270 57.5060 58.1000 58.1000
G1-J3 125.0360 125.0700 17.3560 17.4040
J2-J3 89.7140 89.6970 352.5990 352.6850
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 59526.2894016355
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 74.137
HIERARCH ESO ISS PBL12 END 74.017
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 113.969
HIERARCH ESO ISS PBL13 END 113.809
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 132.157
HIERARCH ESO ISS PBL14 END 132.139
HIERARCH ESO ISS PBLA14 START 50.721
HIERARCH ESO ISS PBLA14 END 50.714
HIERARCH ESO ISS PBL23 START 57.527
HIERARCH ESO ISS PBL23 END 57.506
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 125.036
HIERARCH ESO ISS PBL24 END 125.07
HIERARCH ESO ISS PBLA24 START 17.356
HIERARCH ESO ISS PBLA24 END 17.404
HIERARCH ESO ISS PBL34 START 89.714
HIERARCH ESO ISS PBL34 END 89.697
HIERARCH ESO ISS PBLA34 START 352.599
HIERARCH ESO ISS PBLA34 END 352.685
HIERARCH ESO ISS AMBI TAU0 START 0.0059
HIERARCH ESO ISS AMBI TAU0 END 0.0059
HIERARCH ESO ISS AMBI TEMP 12.98
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61