Exposure
ID
PIONI.2021-11-07T06:47:18.601_1
Header ID
PIONI.2021-11-07T06:47:18.601
Date updated
2021-11-07 06:55:41 UTC+0000
Release date
2021-11-07 06:47:18 UTC+0000
UTC Start
2021-11-07 06:47:18.602
UTC End
2021-11-07 06:47:44.202
MJD Start
59525.2828541845
MJD End
59525.2831504808
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004616
Ambient temperature (°C)
11.84
Seeing (arcsec)
0.865
Observation
ID
48773
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
36530
Name
32 Eri A
RA
58.573049
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 64.3030 64.2420 272.6000 272.6000
K0-D0 94.0640 94.0160 253.0000 253.0000
K0-J3 50.2560 50.2320 339.7470 339.8280
G2-D0 39.7780 39.7840 220.3000 220.3000
G2-J3 64.4470 64.4520 46.6250 46.6370
D0-J3 104.0750 104.0870 44.2150 44.2300
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 59525.2828541845
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.573049
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 G2
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 64.303
HIERARCH ESO ISS PBL12 END 64.242
HIERARCH ESO ISS PBLA12 START 272.6
HIERARCH ESO ISS PBLA12 END 272.6
HIERARCH ESO ISS PBL13 START 94.064
HIERARCH ESO ISS PBL13 END 94.016
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 50.256
HIERARCH ESO ISS PBL14 END 50.232
HIERARCH ESO ISS PBLA14 START 339.747
HIERARCH ESO ISS PBLA14 END 339.828
HIERARCH ESO ISS PBL23 START 39.778
HIERARCH ESO ISS PBL23 END 39.784
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 64.447
HIERARCH ESO ISS PBL24 END 64.452
HIERARCH ESO ISS PBLA24 START 46.625
HIERARCH ESO ISS PBLA24 END 46.637
HIERARCH ESO ISS PBL34 START 104.075
HIERARCH ESO ISS PBL34 END 104.087
HIERARCH ESO ISS PBLA34 START 44.215
HIERARCH ESO ISS PBLA34 END 44.23
HIERARCH ESO ISS AMBI TAU0 START 0.004752
HIERARCH ESO ISS AMBI TAU0 END 0.00448
HIERARCH ESO ISS AMBI TEMP 11.84
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.81