Exposure
ID
PIONI.2021-10-29T05:23:24.014_1
Header ID
PIONI.2021-10-29T05:23:24.014
Date updated
2021-10-29 05:31:26 UTC+0000
Release date
2021-10-29 05:23:24 UTC+0000
UTC Start
2021-10-29 05:23:24.014
UTC End
2021-10-29 05:23:49.614
MJD Start
59516.2245835001
MJD End
59516.2248797964
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0034395
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.705
Observation
ID
48673
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
36453
Name
10 Tau
RA
54.215307
DEC
0.39784
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 24.3710 24.3590 138.3000 138.4000
A0-D0 31.0640 31.0830 72.4000 72.4000
A0-C1 22.5390 22.5340 113.5610 113.5650
B2-D0 30.6860 30.7030 25.9000 26.0000
B2-C1 10.2220 10.2270 25.8580 25.9200
D0-C1 20.4640 20.4760 205.9270 205.9900
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 59516.2245835001
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215307
DEC 0.39784
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 24.371
HIERARCH ESO ISS PBL12 END 24.359
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 138.4
HIERARCH ESO ISS PBL13 START 31.064
HIERARCH ESO ISS PBL13 END 31.083
HIERARCH ESO ISS PBLA13 START 72.4
HIERARCH ESO ISS PBLA13 END 72.4
HIERARCH ESO ISS PBL14 START 22.539
HIERARCH ESO ISS PBL14 END 22.534
HIERARCH ESO ISS PBLA14 START 113.561
HIERARCH ESO ISS PBLA14 END 113.565
HIERARCH ESO ISS PBL23 START 30.686
HIERARCH ESO ISS PBL23 END 30.703
HIERARCH ESO ISS PBLA23 START 25.9
HIERARCH ESO ISS PBLA23 END 26.0
HIERARCH ESO ISS PBL24 START 10.222
HIERARCH ESO ISS PBL24 END 10.227
HIERARCH ESO ISS PBLA24 START 25.858
HIERARCH ESO ISS PBLA24 END 25.92
HIERARCH ESO ISS PBL34 START 20.464
HIERARCH ESO ISS PBL34 END 20.476
HIERARCH ESO ISS PBLA34 START 205.927
HIERARCH ESO ISS PBLA34 END 205.99
HIERARCH ESO ISS AMBI TAU0 START 0.003596
HIERARCH ESO ISS AMBI TAU0 END 0.003283
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.77