Exposure
ID
PIONI.2021-11-08T05:28:45.333_1
Header ID
PIONI.2021-11-08T05:28:45.333
Date updated
2021-11-08 05:35:37 UTC+0000
Release date
2021-11-08 05:28:45 UTC+0000
UTC Start
2021-11-08 05:28:45.333
UTC End
2021-11-08 05:29:10.933
MJD Start
59526.228302463
MJD End
59526.2285987593
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007261
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.46
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 89.1710 89.1340 114.5000 114.5000
A0-J2 129.1850 129.1750 92.7000 92.7000
A0-J3 128.2120 128.2770 48.2420 48.2760
G1-J2 57.0050 57.0310 57.1000 57.2000
G1-J3 123.1580 123.1730 6.7460 6.8120
J2-J3 97.2790 97.2460 339.9140 339.9750
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 59526.228302463
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 89.171
HIERARCH ESO ISS PBL12 END 89.134
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.185
HIERARCH ESO ISS PBL13 END 129.175
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 128.212
HIERARCH ESO ISS PBL14 END 128.277
HIERARCH ESO ISS PBLA14 START 48.242
HIERARCH ESO ISS PBLA14 END 48.276
HIERARCH ESO ISS PBL23 START 57.005
HIERARCH ESO ISS PBL23 END 57.031
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 123.158
HIERARCH ESO ISS PBL24 END 123.173
HIERARCH ESO ISS PBLA24 START 6.746
HIERARCH ESO ISS PBLA24 END 6.812
HIERARCH ESO ISS PBL34 START 97.279
HIERARCH ESO ISS PBL34 END 97.246
HIERARCH ESO ISS PBLA34 START 339.914
HIERARCH ESO ISS PBLA34 END 339.975
HIERARCH ESO ISS AMBI TAU0 START 0.007261
HIERARCH ESO ISS AMBI TAU0 END 0.007261
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46