Exposure
ID
PIONI.2021-10-29T02:34:00.915_1
Header ID
PIONI.2021-10-29T02:34:00.915
Date updated
2021-10-29 02:41:53 UTC+0000
Release date
2021-10-29 02:34:00 UTC+0000
UTC Start
2021-10-29 02:34:00.915
UTC End
2021-10-29 02:34:26.515
MJD Start
59516.1069550314
MJD End
59516.1072513277
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003349
Ambient temperature (°C)
13.47
Seeing (arcsec)
0.95
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 24.6040 24.6150 138.1000 138.1000
A0-D0 19.0940 19.1530 61.0000 61.1000
A0-C1 18.8720 18.9010 118.9280 118.8790
B2-D0 27.5610 27.5620 0.6000 0.7000
B2-C1 9.1840 9.1850 0.5140 0.6210
D0-C1 18.3770 18.3770 180.5710 180.6780
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 59516.1069550314
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 24.604
HIERARCH ESO ISS PBL12 END 24.615
HIERARCH ESO ISS PBLA12 START 138.1
HIERARCH ESO ISS PBLA12 END 138.1
HIERARCH ESO ISS PBL13 START 19.094
HIERARCH ESO ISS PBL13 END 19.153
HIERARCH ESO ISS PBLA13 START 61.0
HIERARCH ESO ISS PBLA13 END 61.1
HIERARCH ESO ISS PBL14 START 18.872
HIERARCH ESO ISS PBL14 END 18.901
HIERARCH ESO ISS PBLA14 START 118.928
HIERARCH ESO ISS PBLA14 END 118.879
HIERARCH ESO ISS PBL23 START 27.561
HIERARCH ESO ISS PBL23 END 27.562
HIERARCH ESO ISS PBLA23 START 0.6
HIERARCH ESO ISS PBLA23 END 0.7
HIERARCH ESO ISS PBL24 START 9.184
HIERARCH ESO ISS PBL24 END 9.185
HIERARCH ESO ISS PBLA24 START 0.514
HIERARCH ESO ISS PBLA24 END 0.621
HIERARCH ESO ISS PBL34 START 18.377
HIERARCH ESO ISS PBL34 END 18.377
HIERARCH ESO ISS PBLA34 START 180.571
HIERARCH ESO ISS PBLA34 END 180.678
HIERARCH ESO ISS AMBI TAU0 START 0.003349
HIERARCH ESO ISS AMBI TAU0 END 0.003349
HIERARCH ESO ISS AMBI TEMP 13.47
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95