Exposure
ID
PIONI.2021-11-02T03:04:08.022_1
Header ID
PIONI.2021-11-02T03:04:08.022
Date updated
2021-11-02 03:11:53 UTC+0000
Release date
2021-11-02 03:04:08 UTC+0000
UTC Start
2021-11-02 03:04:08.022
UTC End
2021-11-02 03:04:33.622
MJD Start
59520.1278706198
MJD End
59520.1281669161
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003192
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.89
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 22.9260 22.9440 139.3000 139.3000
A0-D0 16.4950 16.5450 43.7000 43.9000
A0-C1 15.7260 15.7630 118.9880 118.9260
B2-D0 29.5250 29.5200 353.1000 353.2000
B2-C1 9.8390 9.8370 353.0610 353.1590
D0-C1 19.6860 19.6830 173.1020 173.2000
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 59520.1278706198
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 22.926
HIERARCH ESO ISS PBL12 END 22.944
HIERARCH ESO ISS PBLA12 START 139.3
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 16.495
HIERARCH ESO ISS PBL13 END 16.545
HIERARCH ESO ISS PBLA13 START 43.7
HIERARCH ESO ISS PBLA13 END 43.9
HIERARCH ESO ISS PBL14 START 15.726
HIERARCH ESO ISS PBL14 END 15.763
HIERARCH ESO ISS PBLA14 START 118.988
HIERARCH ESO ISS PBLA14 END 118.926
HIERARCH ESO ISS PBL23 START 29.525
HIERARCH ESO ISS PBL23 END 29.52
HIERARCH ESO ISS PBLA23 START 353.1
HIERARCH ESO ISS PBLA23 END 353.2
HIERARCH ESO ISS PBL24 START 9.839
HIERARCH ESO ISS PBL24 END 9.837
HIERARCH ESO ISS PBLA24 START 353.061
HIERARCH ESO ISS PBLA24 END 353.159
HIERARCH ESO ISS PBL34 START 19.686
HIERARCH ESO ISS PBL34 END 19.683
HIERARCH ESO ISS PBLA34 START 173.102
HIERARCH ESO ISS PBLA34 END 173.2
HIERARCH ESO ISS AMBI TAU0 START 0.003192
HIERARCH ESO ISS AMBI TAU0 END 0.003192
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89