Exposure
ID
PIONI.2021-11-12T05:02:59.437_1
Header ID
PIONI.2021-11-12T05:02:59.437
Date updated
2021-11-12 05:10:59 UTC+0000
Release date
2021-11-12 05:02:59 UTC+0000
UTC Start
2021-11-12 05:02:59.437
UTC End
2021-11-12 05:03:25.037
MJD Start
59530.2104101526
MJD End
59530.2107064489
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003826
Ambient temperature (°C)
13.0
Seeing (arcsec)
0.68
Observation
ID
48811
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
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.7200 89.6910 114.2000 114.2000
A0-J2 129.2200 129.2250 92.5000 92.5000
A0-J3 127.0650 127.1370 47.6520 47.6890
G1-J2 56.5290 56.5600 56.7000 56.7000
G1-J3 122.9270 122.9390 5.6260 5.6930
J2-J3 97.8340 97.8010 338.9200 338.9780
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 59530.2104101526
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.72
HIERARCH ESO ISS PBL12 END 89.691
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 129.22
HIERARCH ESO ISS PBL13 END 129.225
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 127.065
HIERARCH ESO ISS PBL14 END 127.137
HIERARCH ESO ISS PBLA14 START 47.652
HIERARCH ESO ISS PBLA14 END 47.689
HIERARCH ESO ISS PBL23 START 56.529
HIERARCH ESO ISS PBL23 END 56.56
HIERARCH ESO ISS PBLA23 START 56.7
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 122.927
HIERARCH ESO ISS PBL24 END 122.939
HIERARCH ESO ISS PBLA24 START 5.626
HIERARCH ESO ISS PBLA24 END 5.693
HIERARCH ESO ISS PBL34 START 97.834
HIERARCH ESO ISS PBL34 END 97.801
HIERARCH ESO ISS PBLA34 START 338.92
HIERARCH ESO ISS PBLA34 END 338.978
HIERARCH ESO ISS AMBI TAU0 START 0.003889
HIERARCH ESO ISS AMBI TAU0 END 0.003763
HIERARCH ESO ISS AMBI TEMP 13.0
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68