Exposure
ID
PIONI.2021-11-10T05:33:05.789_1
Header ID
PIONI.2021-11-10T05:33:05.789
Date updated
2021-11-10 05:40:47 UTC+0000
Release date
2021-11-10 05:33:05 UTC+0000
UTC Start
2021-11-10 05:33:05.789
UTC End
2021-11-10 05:33:31.389
MJD Start
59528.2313170028
MJD End
59528.2316132991
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0030365
Ambient temperature (°C)
9.55
Seeing (arcsec)
0.615
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 88.3160 88.2700 114.9000 114.9000
A0-J2 128.8090 128.7820 92.8000 92.8000
A0-J3 129.4330 129.4870 48.8750 48.9080
G1-J2 57.4800 57.5000 57.6000 57.6000
G1-J3 123.4900 123.5070 8.0830 8.1510
J2-J3 96.6110 96.5800 341.1840 341.2520
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 59528.2313170028
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 88.316
HIERARCH ESO ISS PBL12 END 88.27
HIERARCH ESO ISS PBLA12 START 114.9
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 128.809
HIERARCH ESO ISS PBL13 END 128.782
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 129.433
HIERARCH ESO ISS PBL14 END 129.487
HIERARCH ESO ISS PBLA14 START 48.875
HIERARCH ESO ISS PBLA14 END 48.908
HIERARCH ESO ISS PBL23 START 57.48
HIERARCH ESO ISS PBL23 END 57.5
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 123.49
HIERARCH ESO ISS PBL24 END 123.507
HIERARCH ESO ISS PBLA24 START 8.083
HIERARCH ESO ISS PBLA24 END 8.151
HIERARCH ESO ISS PBL34 START 96.611
HIERARCH ESO ISS PBL34 END 96.58
HIERARCH ESO ISS PBLA34 START 341.184
HIERARCH ESO ISS PBLA34 END 341.252
HIERARCH ESO ISS AMBI TAU0 START 0.002988
HIERARCH ESO ISS AMBI TAU0 END 0.003085
HIERARCH ESO ISS AMBI TEMP 9.55
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.64