Exposure
ID
PIONI.2021-11-07T05:44:46.179_1
Header ID
PIONI.2021-11-07T05:44:46.179
Date updated
2021-11-07 05:51:14 UTC+0000
Release date
2021-11-07 05:44:46 UTC+0000
UTC Start
2021-11-07 05:44:46.179
UTC End
2021-11-07 05:45:11.779
MJD Start
59525.2394233672
MJD End
59525.2397196635
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005418
Ambient temperature (°C)
11.91
Seeing (arcsec)
0.72
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 68.1670 68.1540 271.7000 271.7000
K0-D0 95.7990 95.8130 252.6000 252.6000
K0-J3 52.8280 52.8040 332.4950 332.5570
G2-D0 38.4940 38.5110 217.2000 217.2000
G2-J3 62.6800 62.7070 44.2570 44.2950
D0-J3 100.9920 101.0360 41.5610 41.6020
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 59525.2394233672
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 68.167
HIERARCH ESO ISS PBL12 END 68.154
HIERARCH ESO ISS PBLA12 START 271.7
HIERARCH ESO ISS PBLA12 END 271.7
HIERARCH ESO ISS PBL13 START 95.799
HIERARCH ESO ISS PBL13 END 95.813
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 52.828
HIERARCH ESO ISS PBL14 END 52.804
HIERARCH ESO ISS PBLA14 START 332.495
HIERARCH ESO ISS PBLA14 END 332.557
HIERARCH ESO ISS PBL23 START 38.494
HIERARCH ESO ISS PBL23 END 38.511
HIERARCH ESO ISS PBLA23 START 217.2
HIERARCH ESO ISS PBLA23 END 217.2
HIERARCH ESO ISS PBL24 START 62.68
HIERARCH ESO ISS PBL24 END 62.707
HIERARCH ESO ISS PBLA24 START 44.257
HIERARCH ESO ISS PBLA24 END 44.295
HIERARCH ESO ISS PBL34 START 100.992
HIERARCH ESO ISS PBL34 END 101.036
HIERARCH ESO ISS PBLA34 START 41.561
HIERARCH ESO ISS PBLA34 END 41.602
HIERARCH ESO ISS AMBI TAU0 START 0.005418
HIERARCH ESO ISS AMBI TAU0 END 0.005418
HIERARCH ESO ISS AMBI TEMP 11.91
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72