Exposure
ID
PIONI.2021-11-02T05:24:51.617_1
Header ID
PIONI.2021-11-02T05:24:51.617
Date updated
2021-11-02 05:32:08 UTC+0000
Release date
2021-11-02 05:24:51 UTC+0000
UTC Start
2021-11-02 05:24:51.617
UTC End
2021-11-02 05:25:17.217
MJD Start
59520.2255974198
MJD End
59520.2258937161
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003285
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.79
Observation
ID
48708
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
36479
Name
bet Eri
RA
76.960917
DEC
-5.08681
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 25.2950 25.2960 136.3000 136.3000
A0-D0 27.8960 27.9340 67.0000 67.1000
A0-C1 21.9420 21.9550 112.9990 112.9980
B2-D0 30.3130 30.3240 15.7000 15.8000
B2-C1 10.0990 10.1020 15.6770 15.7620
D0-C1 20.2140 20.2220 195.7440 195.8300
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 59520.2255974198
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.960917
DEC -5.08681
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 25.295
HIERARCH ESO ISS PBL12 END 25.296
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 27.896
HIERARCH ESO ISS PBL13 END 27.934
HIERARCH ESO ISS PBLA13 START 67.0
HIERARCH ESO ISS PBLA13 END 67.1
HIERARCH ESO ISS PBL14 START 21.942
HIERARCH ESO ISS PBL14 END 21.955
HIERARCH ESO ISS PBLA14 START 112.999
HIERARCH ESO ISS PBLA14 END 112.998
HIERARCH ESO ISS PBL23 START 30.313
HIERARCH ESO ISS PBL23 END 30.324
HIERARCH ESO ISS PBLA23 START 15.7
HIERARCH ESO ISS PBLA23 END 15.8
HIERARCH ESO ISS PBL24 START 10.099
HIERARCH ESO ISS PBL24 END 10.102
HIERARCH ESO ISS PBLA24 START 15.677
HIERARCH ESO ISS PBLA24 END 15.762
HIERARCH ESO ISS PBL34 START 20.214
HIERARCH ESO ISS PBL34 END 20.222
HIERARCH ESO ISS PBLA34 START 195.744
HIERARCH ESO ISS PBLA34 END 195.83
HIERARCH ESO ISS AMBI TAU0 START 0.003285
HIERARCH ESO ISS AMBI TAU0 END 0.003285
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79