Exposure
ID
PIONI.2021-11-08T05:30:39.769_1
Header ID
PIONI.2021-11-08T05:30:39.769
Date updated
2021-11-08 05:40:48 UTC+0000
Release date
2021-11-08 05:30:39 UTC+0000
UTC Start
2021-11-08 05:30:39.770
UTC End
2021-11-08 05:31:05.370
MJD Start
59526.2296269624
MJD End
59526.2299232587
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007711
Ambient temperature (°C)
12.44
Seeing (arcsec)
0.46
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 89.0510 89.0130 114.5000 114.5000
A0-J2 129.1500 129.1380 92.7000 92.7000
A0-J3 128.4170 128.4800 48.3530 48.3860
G1-J2 57.0870 57.1120 57.2000 57.2000
G1-J3 123.2070 123.2220 6.9630 7.0290
J2-J3 97.1740 97.1410 340.1150 340.1760
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 59526.2296269624
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 89.051
HIERARCH ESO ISS PBL12 END 89.013
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.15
HIERARCH ESO ISS PBL13 END 129.138
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 128.417
HIERARCH ESO ISS PBL14 END 128.48
HIERARCH ESO ISS PBLA14 START 48.353
HIERARCH ESO ISS PBLA14 END 48.386
HIERARCH ESO ISS PBL23 START 57.087
HIERARCH ESO ISS PBL23 END 57.112
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 123.207
HIERARCH ESO ISS PBL24 END 123.222
HIERARCH ESO ISS PBLA24 START 6.963
HIERARCH ESO ISS PBLA24 END 7.029
HIERARCH ESO ISS PBL34 START 97.174
HIERARCH ESO ISS PBL34 END 97.141
HIERARCH ESO ISS PBLA34 START 340.115
HIERARCH ESO ISS PBLA34 END 340.176
HIERARCH ESO ISS AMBI TAU0 START 0.007711
HIERARCH ESO ISS AMBI TAU0 END 0.007711
HIERARCH ESO ISS AMBI TEMP 12.44
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46