Exposure
ID
PIONI.2021-11-09T05:15:09.965_1
Header ID
PIONI.2021-11-09T05:15:09.965
Date updated
2021-11-09 05:20:28 UTC+0000
Release date
2021-11-09 05:15:09 UTC+0000
UTC Start
2021-11-09 05:15:09.965
UTC End
2021-11-09 05:15:35.565
MJD Start
59527.2188653345
MJD End
59527.2191616308
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0044585
Ambient temperature (°C)
11.99
Seeing (arcsec)
0.5
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 89.7010 89.6720 114.2000 114.2000
A0-J2 129.2230 129.2270 92.5000 92.5000
A0-J3 127.1120 127.1830 47.6770 47.7140
G1-J2 56.5490 56.5790 56.7000 56.7000
G1-J3 122.9350 122.9480 5.6710 5.7390
J2-J3 97.8130 97.7800 338.9590 339.0170
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 59527.2188653345
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 89.701
HIERARCH ESO ISS PBL12 END 89.672
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 129.223
HIERARCH ESO ISS PBL13 END 129.227
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 127.112
HIERARCH ESO ISS PBL14 END 127.183
HIERARCH ESO ISS PBLA14 START 47.677
HIERARCH ESO ISS PBLA14 END 47.714
HIERARCH ESO ISS PBL23 START 56.549
HIERARCH ESO ISS PBL23 END 56.579
HIERARCH ESO ISS PBLA23 START 56.7
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 122.935
HIERARCH ESO ISS PBL24 END 122.948
HIERARCH ESO ISS PBLA24 START 5.671
HIERARCH ESO ISS PBLA24 END 5.739
HIERARCH ESO ISS PBL34 START 97.813
HIERARCH ESO ISS PBL34 END 97.78
HIERARCH ESO ISS PBLA34 START 338.959
HIERARCH ESO ISS PBLA34 END 339.017
HIERARCH ESO ISS AMBI TAU0 START 0.00408
HIERARCH ESO ISS AMBI TAU0 END 0.004837
HIERARCH ESO ISS AMBI TEMP 11.99
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.51