Exposure
ID
PIONI.2021-10-29T04:49:14.954_1
Header ID
PIONI.2021-10-29T04:49:14.954
Date updated
2021-10-29 04:56:04 UTC+0000
Release date
2021-10-29 04:49:14 UTC+0000
UTC Start
2021-10-29 04:49:14.954
UTC End
2021-10-29 04:49:40.554
MJD Start
59516.2008675183
MJD End
59516.2011638146
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0046495
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.51
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 25.2260 25.2220 136.8000 136.8000
A0-D0 28.9950 29.0280 69.5000 69.5000
A0-C1 22.3930 22.4000 113.3490 113.3480
B2-D0 30.2000 30.2130 19.1000 19.2000
B2-C1 10.0610 10.0650 19.0540 19.1350
D0-C1 20.1390 20.1480 199.1240 199.2040
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 59516.2008675183
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 25.226
HIERARCH ESO ISS PBL12 END 25.222
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 28.995
HIERARCH ESO ISS PBL13 END 29.028
HIERARCH ESO ISS PBLA13 START 69.5
HIERARCH ESO ISS PBLA13 END 69.5
HIERARCH ESO ISS PBL14 START 22.393
HIERARCH ESO ISS PBL14 END 22.4
HIERARCH ESO ISS PBLA14 START 113.349
HIERARCH ESO ISS PBLA14 END 113.348
HIERARCH ESO ISS PBL23 START 30.2
HIERARCH ESO ISS PBL23 END 30.213
HIERARCH ESO ISS PBLA23 START 19.1
HIERARCH ESO ISS PBLA23 END 19.2
HIERARCH ESO ISS PBL24 START 10.061
HIERARCH ESO ISS PBL24 END 10.065
HIERARCH ESO ISS PBLA24 START 19.054
HIERARCH ESO ISS PBLA24 END 19.135
HIERARCH ESO ISS PBL34 START 20.139
HIERARCH ESO ISS PBL34 END 20.148
HIERARCH ESO ISS PBLA34 START 199.124
HIERARCH ESO ISS PBLA34 END 199.204
HIERARCH ESO ISS AMBI TAU0 START 0.004829
HIERARCH ESO ISS AMBI TAU0 END 0.00447
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51