Exposure
ID
PIONI.2021-11-02T05:38:15.481_1
Header ID
PIONI.2021-11-02T05:38:15.481
Date updated
2021-11-02 05:47:11 UTC+0000
Release date
2021-11-02 05:38:15 UTC+0000
UTC Start
2021-11-02 05:38:15.481
UTC End
2021-11-02 05:38:41.081
MJD Start
59520.2349013989
MJD End
59520.2351976952
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0028
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.94
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
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 24.4130 24.4020 139.7000 139.7000
A0-D0 31.5440 31.5570 72.0000 72.0000
A0-C1 22.4710 22.4650 114.0820 114.0970
B2-D0 31.7240 31.7390 26.6000 26.7000
B2-C1 10.5680 10.5720 26.5660 26.6250
D0-C1 21.1570 21.1660 206.6330 206.6910
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 59520.2349013989
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
DEC -2.95473
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 24.413
HIERARCH ESO ISS PBL12 END 24.402
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 139.7
HIERARCH ESO ISS PBL13 START 31.544
HIERARCH ESO ISS PBL13 END 31.557
HIERARCH ESO ISS PBLA13 START 72.0
HIERARCH ESO ISS PBLA13 END 72.0
HIERARCH ESO ISS PBL14 START 22.471
HIERARCH ESO ISS PBL14 END 22.465
HIERARCH ESO ISS PBLA14 START 114.082
HIERARCH ESO ISS PBLA14 END 114.097
HIERARCH ESO ISS PBL23 START 31.724
HIERARCH ESO ISS PBL23 END 31.739
HIERARCH ESO ISS PBLA23 START 26.6
HIERARCH ESO ISS PBLA23 END 26.7
HIERARCH ESO ISS PBL24 START 10.568
HIERARCH ESO ISS PBL24 END 10.572
HIERARCH ESO ISS PBLA24 START 26.566
HIERARCH ESO ISS PBLA24 END 26.625
HIERARCH ESO ISS PBL34 START 21.157
HIERARCH ESO ISS PBL34 END 21.166
HIERARCH ESO ISS PBLA34 START 206.633
HIERARCH ESO ISS PBLA34 END 206.691
HIERARCH ESO ISS AMBI TAU0 START 0.0028
HIERARCH ESO ISS AMBI TAU0 END 0.0028
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.91