Exposure
ID
PIONI.2021-11-02T05:01:07.558_1
Header ID
PIONI.2021-11-02T05:01:07.558
Date updated
2021-11-02 05:06:22 UTC+0000
Release date
2021-11-02 05:01:07 UTC+0000
UTC Start
2021-11-02 05:01:07.558
UTC End
2021-11-02 05:01:33.158
MJD Start
59520.2091152496
MJD End
59520.2094115459
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003112
Ambient temperature (°C)
11.14
Seeing (arcsec)
0.87
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 24.4960 24.4850 138.0000 138.1000
A0-D0 30.8430 30.8640 72.3000 72.3000
A0-C1 22.5820 22.5790 113.5280 113.5310
B2-D0 30.5050 30.5210 25.2000 25.3000
B2-C1 10.1620 10.1670 25.1640 25.2270
D0-C1 20.3440 20.3550 205.2340 205.2970
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 59520.2091152496
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 24.496
HIERARCH ESO ISS PBL12 END 24.485
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.1
HIERARCH ESO ISS PBL13 START 30.843
HIERARCH ESO ISS PBL13 END 30.864
HIERARCH ESO ISS PBLA13 START 72.3
HIERARCH ESO ISS PBLA13 END 72.3
HIERARCH ESO ISS PBL14 START 22.582
HIERARCH ESO ISS PBL14 END 22.579
HIERARCH ESO ISS PBLA14 START 113.528
HIERARCH ESO ISS PBLA14 END 113.531
HIERARCH ESO ISS PBL23 START 30.505
HIERARCH ESO ISS PBL23 END 30.521
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 25.3
HIERARCH ESO ISS PBL24 START 10.162
HIERARCH ESO ISS PBL24 END 10.167
HIERARCH ESO ISS PBLA24 START 25.164
HIERARCH ESO ISS PBLA24 END 25.227
HIERARCH ESO ISS PBL34 START 20.344
HIERARCH ESO ISS PBL34 END 20.355
HIERARCH ESO ISS PBLA34 START 205.234
HIERARCH ESO ISS PBLA34 END 205.297
HIERARCH ESO ISS AMBI TAU0 START 0.003012
HIERARCH ESO ISS AMBI TAU0 END 0.003212
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87