Exposure
ID
PIONI.2021-11-02T04:43:58.582_1
Header ID
PIONI.2021-11-02T04:43:58.582
Date updated
2021-11-02 04:51:33 UTC+0000
Release date
2022-11-02 04:51:33 UTC+0000
UTC Start
2021-11-02 04:43:58.582
UTC End
2021-11-02 04:44:24.182
MJD Start
59520.1972058085
MJD End
59520.1975021048
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002354
Ambient temperature (°C)
11.17
Seeing (arcsec)
1.1
Observation
ID
48710
Category
science
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
36481
Name
eps Eri
RA
53.226764
DEC
-9.45816
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 25.2050 25.2020 138.5000 138.5000
A0-D0 30.8660 30.8860 69.2000 69.2000
A0-C1 22.5830 22.5860 113.2700 113.2910
B2-D0 32.2250 32.2350 22.1000 22.2000
B2-C1 10.7350 10.7380 22.0710 22.1400
D0-C1 21.4900 21.4970 202.1370 202.2070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227F.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59520.1972058085
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Eri
RA 53.226764
DEC -9.45816
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 25.205
HIERARCH ESO ISS PBL12 END 25.202
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 138.5
HIERARCH ESO ISS PBL13 START 30.866
HIERARCH ESO ISS PBL13 END 30.886
HIERARCH ESO ISS PBLA13 START 69.2
HIERARCH ESO ISS PBLA13 END 69.2
HIERARCH ESO ISS PBL14 START 22.583
HIERARCH ESO ISS PBL14 END 22.586
HIERARCH ESO ISS PBLA14 START 113.27
HIERARCH ESO ISS PBLA14 END 113.291
HIERARCH ESO ISS PBL23 START 32.225
HIERARCH ESO ISS PBL23 END 32.235
HIERARCH ESO ISS PBLA23 START 22.1
HIERARCH ESO ISS PBLA23 END 22.2
HIERARCH ESO ISS PBL24 START 10.735
HIERARCH ESO ISS PBL24 END 10.738
HIERARCH ESO ISS PBLA24 START 22.071
HIERARCH ESO ISS PBLA24 END 22.14
HIERARCH ESO ISS PBL34 START 21.49
HIERARCH ESO ISS PBL34 END 21.497
HIERARCH ESO ISS PBLA34 START 202.137
HIERARCH ESO ISS PBLA34 END 202.207
HIERARCH ESO ISS AMBI TAU0 START 0.002354
HIERARCH ESO ISS AMBI TAU0 END 0.002354
HIERARCH ESO ISS AMBI TEMP 11.17
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.1