Exposure
ID
PIONI.2021-10-29T04:33:57.755_1
Header ID
PIONI.2021-10-29T04:33:57.755
Date updated
2021-10-29 04:41:24 UTC+0000
Release date
2021-10-29 04:33:57 UTC+0000
UTC Start
2021-10-29 04:33:57.754
UTC End
2021-10-29 04:34:23.354
MJD Start
59516.1902517872
MJD End
59516.1905480835
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004618
Ambient temperature (°C)
13.07
Seeing (arcsec)
0.5
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 25.1010 25.0960 136.6000 136.6000
A0-D0 28.8400 28.8750 71.1000 71.1000
A0-C1 22.4840 22.4900 113.7260 113.7180
B2-D0 29.3510 29.3660 20.0000 20.1000
B2-C1 9.7780 9.7830 19.9420 20.0220
D0-C1 19.5730 19.5830 200.0140 200.0940
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 59516.1902517872
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 25.101
HIERARCH ESO ISS PBL12 END 25.096
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 28.84
HIERARCH ESO ISS PBL13 END 28.875
HIERARCH ESO ISS PBLA13 START 71.1
HIERARCH ESO ISS PBLA13 END 71.1
HIERARCH ESO ISS PBL14 START 22.484
HIERARCH ESO ISS PBL14 END 22.49
HIERARCH ESO ISS PBLA14 START 113.726
HIERARCH ESO ISS PBLA14 END 113.718
HIERARCH ESO ISS PBL23 START 29.351
HIERARCH ESO ISS PBL23 END 29.366
HIERARCH ESO ISS PBLA23 START 20.0
HIERARCH ESO ISS PBLA23 END 20.1
HIERARCH ESO ISS PBL24 START 9.778
HIERARCH ESO ISS PBL24 END 9.783
HIERARCH ESO ISS PBLA24 START 19.942
HIERARCH ESO ISS PBLA24 END 20.022
HIERARCH ESO ISS PBL34 START 19.573
HIERARCH ESO ISS PBL34 END 19.583
HIERARCH ESO ISS PBLA34 START 200.014
HIERARCH ESO ISS PBLA34 END 200.094
HIERARCH ESO ISS AMBI TAU0 START 0.004618
HIERARCH ESO ISS AMBI TAU0 END 0.004618
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5