Exposure
ID
PIONI.2021-11-05T06:19:28.633_1
Header ID
PIONI.2021-11-05T06:19:28.633
Date updated
2021-11-05 06:25:43 UTC+0000
Release date
2021-11-05 06:19:28 UTC+0000
UTC Start
2021-11-05 06:19:28.632
UTC End
2021-11-05 06:19:54.232
MJD Start
59523.2635258385
MJD End
59523.2638221348
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004828
Ambient temperature (°C)
10.48
Seeing (arcsec)
0.56
Observation
ID
48738
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
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 122.2980 122.3060 242.6000 242.6000
K0-D0 95.8530 95.8410 252.9000 252.9000
K0-J3 51.7150 51.6900 335.3320 335.4000
B2-D0 32.8720 32.8830 31.0000 31.0000
B2-J3 135.0600 135.1040 40.0840 40.1140
D0-J3 102.7330 102.7650 42.9840 43.0100
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 59523.2635258385
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 122.298
HIERARCH ESO ISS PBL12 END 122.306
HIERARCH ESO ISS PBLA12 START 242.6
HIERARCH ESO ISS PBLA12 END 242.6
HIERARCH ESO ISS PBL13 START 95.853
HIERARCH ESO ISS PBL13 END 95.841
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 51.715
HIERARCH ESO ISS PBL14 END 51.69
HIERARCH ESO ISS PBLA14 START 335.332
HIERARCH ESO ISS PBLA14 END 335.4
HIERARCH ESO ISS PBL23 START 32.872
HIERARCH ESO ISS PBL23 END 32.883
HIERARCH ESO ISS PBLA23 START 31.0
HIERARCH ESO ISS PBLA23 END 31.0
HIERARCH ESO ISS PBL24 START 135.06
HIERARCH ESO ISS PBL24 END 135.104
HIERARCH ESO ISS PBLA24 START 40.084
HIERARCH ESO ISS PBLA24 END 40.114
HIERARCH ESO ISS PBL34 START 102.733
HIERARCH ESO ISS PBL34 END 102.765
HIERARCH ESO ISS PBLA34 START 42.984
HIERARCH ESO ISS PBLA34 END 43.01
HIERARCH ESO ISS AMBI TAU0 START 0.004828
HIERARCH ESO ISS AMBI TAU0 END 0.004828
HIERARCH ESO ISS AMBI TEMP 10.48
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56