Exposure
ID
PIONI.2021-11-11T05:51:05.862_1
Header ID
PIONI.2021-11-11T05:51:05.862
Date updated
2021-11-11 05:55:44 UTC+0000
Release date
2021-11-11 05:51:05 UTC+0000
UTC Start
2021-11-11 05:51:05.863
UTC End
2021-11-11 05:51:31.463
MJD Start
59529.2438178533
MJD End
59529.2441141496
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0032905
Ambient temperature (°C)
11.23
Seeing (arcsec)
0.69
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 86.2720 86.2070 115.8000 115.8000
A0-J2 127.2180 127.1580 93.1000 93.1000
A0-J3 131.1230 131.1590 49.7920 49.8130
G1-J2 58.0460 58.0560 58.2000 58.2000
G1-J3 124.2110 124.2330 10.4100 10.4720
J2-J3 95.4560 95.4260 343.6350 343.7050
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 59529.2438178533
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 86.272
HIERARCH ESO ISS PBL12 END 86.207
HIERARCH ESO ISS PBLA12 START 115.8
HIERARCH ESO ISS PBLA12 END 115.8
HIERARCH ESO ISS PBL13 START 127.218
HIERARCH ESO ISS PBL13 END 127.158
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 131.123
HIERARCH ESO ISS PBL14 END 131.159
HIERARCH ESO ISS PBLA14 START 49.792
HIERARCH ESO ISS PBLA14 END 49.813
HIERARCH ESO ISS PBL23 START 58.046
HIERARCH ESO ISS PBL23 END 58.056
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 124.211
HIERARCH ESO ISS PBL24 END 124.233
HIERARCH ESO ISS PBLA24 START 10.41
HIERARCH ESO ISS PBLA24 END 10.472
HIERARCH ESO ISS PBL34 START 95.456
HIERARCH ESO ISS PBL34 END 95.426
HIERARCH ESO ISS PBLA34 START 343.635
HIERARCH ESO ISS PBLA34 END 343.705
HIERARCH ESO ISS AMBI TAU0 START 0.003155
HIERARCH ESO ISS AMBI TAU0 END 0.003426
HIERARCH ESO ISS AMBI TEMP 11.23
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.67