Exposure
ID
PIONI.2021-11-08T06:22:47.591_1
Header ID
PIONI.2021-11-08T06:22:47.591
Date updated
2021-11-08 06:31:14 UTC+0000
Release date
2021-11-08 06:22:47 UTC+0000
UTC Start
2021-11-08 06:22:47.591
UTC End
2021-11-08 06:23:13.191
MJD Start
59526.2658285964
MJD End
59526.2661248927
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006224
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.57
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 83.8770 83.7990 116.8000 116.9000
A0-J2 124.7640 124.6780 93.5000 93.5000
A0-J3 132.0640 132.0830 50.3920 50.4030
G1-J2 58.2280 58.2290 58.6000 58.6000
G1-J3 124.9830 125.0070 12.4250 12.4790
J2-J3 94.4930 94.4660 346.0380 346.1070
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 59526.2658285964
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 83.877
HIERARCH ESO ISS PBL12 END 83.799
HIERARCH ESO ISS PBLA12 START 116.8
HIERARCH ESO ISS PBLA12 END 116.9
HIERARCH ESO ISS PBL13 START 124.764
HIERARCH ESO ISS PBL13 END 124.678
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 132.064
HIERARCH ESO ISS PBL14 END 132.083
HIERARCH ESO ISS PBLA14 START 50.392
HIERARCH ESO ISS PBLA14 END 50.403
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 124.983
HIERARCH ESO ISS PBL24 END 125.007
HIERARCH ESO ISS PBLA24 START 12.425
HIERARCH ESO ISS PBLA24 END 12.479
HIERARCH ESO ISS PBL34 START 94.493
HIERARCH ESO ISS PBL34 END 94.466
HIERARCH ESO ISS PBLA34 START 346.038
HIERARCH ESO ISS PBLA34 END 346.107
HIERARCH ESO ISS AMBI TAU0 START 0.006224
HIERARCH ESO ISS AMBI TAU0 END 0.006224
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57