Exposure
ID
PIONI.2021-11-12T05:05:31.927_1
Header ID
PIONI.2021-11-12T05:05:31.927
Date updated
2021-11-12 05:10:59 UTC+0000
Release date
2021-11-12 05:05:31 UTC+0000
UTC Start
2021-11-12 05:05:31.927
UTC End
2021-11-12 05:05:57.527
MJD Start
59530.2121750824
MJD End
59530.2124713787
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003444
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.64
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 89.5940 89.5630 114.2000 114.3000
A0-J2 129.2340 129.2360 92.6000 92.6000
A0-J3 127.3680 127.4380 47.8030 47.8390
G1-J2 56.6570 56.6860 56.8000 56.8000
G1-J3 122.9820 122.9950 5.9070 5.9740
J2-J3 97.6930 97.6600 339.1630 339.2220
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 59530.2121750824
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 89.594
HIERARCH ESO ISS PBL12 END 89.563
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 129.234
HIERARCH ESO ISS PBL13 END 129.236
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.368
HIERARCH ESO ISS PBL14 END 127.438
HIERARCH ESO ISS PBLA14 START 47.803
HIERARCH ESO ISS PBLA14 END 47.839
HIERARCH ESO ISS PBL23 START 56.657
HIERARCH ESO ISS PBL23 END 56.686
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 122.982
HIERARCH ESO ISS PBL24 END 122.995
HIERARCH ESO ISS PBLA24 START 5.907
HIERARCH ESO ISS PBLA24 END 5.974
HIERARCH ESO ISS PBL34 START 97.693
HIERARCH ESO ISS PBL34 END 97.66
HIERARCH ESO ISS PBLA34 START 339.163
HIERARCH ESO ISS PBLA34 END 339.222
HIERARCH ESO ISS AMBI TAU0 START 0.003444
HIERARCH ESO ISS AMBI TAU0 END 0.003444
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64