Exposure
ID
PIONI.2021-11-11T06:12:38.994_1
Header ID
PIONI.2021-11-11T06:12:38.994
Date updated
2021-11-11 06:20:37 UTC+0000
Release date
2021-11-11 06:12:38 UTC+0000
UTC Start
2021-11-11 06:12:38.993
UTC End
2021-11-11 06:13:04.593
MJD Start
59529.2587846462
MJD End
59529.2590809425
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004277
Ambient temperature (°C)
10.66
Seeing (arcsec)
0.59
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 83.6580 83.5770 116.9000 117.0000
A0-J2 124.5210 124.4300 93.5000 93.5000
A0-J3 132.1160 132.1340 50.4270 50.4410
G1-J2 58.2290 58.2290 58.6000 58.6000
G1-J3 125.0510 125.0750 12.5810 12.6390
J2-J3 94.4180 94.3910 346.2370 346.3120
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 59529.2587846462
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 83.658
HIERARCH ESO ISS PBL12 END 83.577
HIERARCH ESO ISS PBLA12 START 116.9
HIERARCH ESO ISS PBLA12 END 117.0
HIERARCH ESO ISS PBL13 START 124.521
HIERARCH ESO ISS PBL13 END 124.43
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 132.116
HIERARCH ESO ISS PBL14 END 132.134
HIERARCH ESO ISS PBLA14 START 50.427
HIERARCH ESO ISS PBLA14 END 50.441
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 125.051
HIERARCH ESO ISS PBL24 END 125.075
HIERARCH ESO ISS PBLA24 START 12.581
HIERARCH ESO ISS PBLA24 END 12.639
HIERARCH ESO ISS PBL34 START 94.418
HIERARCH ESO ISS PBL34 END 94.391
HIERARCH ESO ISS PBLA34 START 346.237
HIERARCH ESO ISS PBLA34 END 346.312
HIERARCH ESO ISS AMBI TAU0 START 0.004277
HIERARCH ESO ISS AMBI TAU0 END 0.004277
HIERARCH ESO ISS AMBI TEMP 10.66
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59