Exposure
ID
PIONI.2021-10-29T04:08:31.904_1
Header ID
PIONI.2021-10-29T04:08:31.904
Date updated
2021-10-29 04:16:16 UTC+0000
Release date
2021-10-29 04:08:31 UTC+0000
UTC Start
2021-10-29 04:08:31.904
UTC End
2021-10-29 04:08:57.504
MJD Start
59516.172591479
MJD End
59516.1728877753
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004842
Ambient temperature (°C)
13.2
Seeing (arcsec)
0.42
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2720 25.2740 136.2000 136.2000
A0-D0 26.3730 26.4160 66.8000 66.9000
A0-C1 21.5710 21.5880 113.7640 113.7530
B2-D0 29.3940 29.4040 13.2000 13.3000
B2-C1 9.7930 9.7960 13.1930 13.2850
D0-C1 19.6010 19.6080 193.2610 193.3530
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 59516.172591479
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.272
HIERARCH ESO ISS PBL12 END 25.274
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 26.373
HIERARCH ESO ISS PBL13 END 26.416
HIERARCH ESO ISS PBLA13 START 66.8
HIERARCH ESO ISS PBLA13 END 66.9
HIERARCH ESO ISS PBL14 START 21.571
HIERARCH ESO ISS PBL14 END 21.588
HIERARCH ESO ISS PBLA14 START 113.764
HIERARCH ESO ISS PBLA14 END 113.753
HIERARCH ESO ISS PBL23 START 29.394
HIERARCH ESO ISS PBL23 END 29.404
HIERARCH ESO ISS PBLA23 START 13.2
HIERARCH ESO ISS PBLA23 END 13.3
HIERARCH ESO ISS PBL24 START 9.793
HIERARCH ESO ISS PBL24 END 9.796
HIERARCH ESO ISS PBLA24 START 13.193
HIERARCH ESO ISS PBLA24 END 13.285
HIERARCH ESO ISS PBL34 START 19.601
HIERARCH ESO ISS PBL34 END 19.608
HIERARCH ESO ISS PBLA34 START 193.261
HIERARCH ESO ISS PBLA34 END 193.353
HIERARCH ESO ISS AMBI TAU0 START 0.004842
HIERARCH ESO ISS AMBI TAU0 END 0.004842
HIERARCH ESO ISS AMBI TEMP 13.2
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42