Exposure
ID
PIONI.2021-10-29T05:56:57.408_1
Header ID
PIONI.2021-10-29T05:56:57.408
Date updated
2021-10-29 06:06:34 UTC+0000
Release date
2021-10-29 05:56:57 UTC+0000
UTC Start
2021-10-29 05:56:57.408
UTC End
2021-10-29 05:57:23.008
MJD Start
59516.247886667
MJD End
59516.2481829633
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006356
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.41
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 24.3570 24.3460 139.9000 139.9000
A0-D0 31.6080 31.6200 72.1000 72.1000
A0-C1 22.4390 22.4320 114.1550 114.1750
B2-D0 31.7940 31.8080 26.9000 27.0000
B2-C1 10.5910 10.5950 26.8510 26.9120
D0-C1 21.2030 21.2130 206.9180 206.9790
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 59516.247886667
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 24.357
HIERARCH ESO ISS PBL12 END 24.346
HIERARCH ESO ISS PBLA12 START 139.9
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 31.608
HIERARCH ESO ISS PBL13 END 31.62
HIERARCH ESO ISS PBLA13 START 72.1
HIERARCH ESO ISS PBLA13 END 72.1
HIERARCH ESO ISS PBL14 START 22.439
HIERARCH ESO ISS PBL14 END 22.432
HIERARCH ESO ISS PBLA14 START 114.155
HIERARCH ESO ISS PBLA14 END 114.175
HIERARCH ESO ISS PBL23 START 31.794
HIERARCH ESO ISS PBL23 END 31.808
HIERARCH ESO ISS PBLA23 START 26.9
HIERARCH ESO ISS PBLA23 END 27.0
HIERARCH ESO ISS PBL24 START 10.591
HIERARCH ESO ISS PBL24 END 10.595
HIERARCH ESO ISS PBLA24 START 26.851
HIERARCH ESO ISS PBLA24 END 26.912
HIERARCH ESO ISS PBL34 START 21.203
HIERARCH ESO ISS PBL34 END 21.213
HIERARCH ESO ISS PBLA34 START 206.918
HIERARCH ESO ISS PBLA34 END 206.979
HIERARCH ESO ISS AMBI TAU0 START 0.006356
HIERARCH ESO ISS AMBI TAU0 END 0.006356
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41