Exposure
ID
PIONI.2021-10-29T04:48:36.863_1
Header ID
PIONI.2021-10-29T04:48:36.863
Date updated
2021-10-29 04:56:04 UTC+0000
Release date
2021-10-29 04:48:36 UTC+0000
UTC Start
2021-10-29 04:48:36.863
UTC End
2021-10-29 04:49:02.463
MJD Start
59516.2004266502
MJD End
59516.2007229465
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005211
Ambient temperature (°C)
12.98
Seeing (arcsec)
0.475
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 25.2290 25.2260 136.8000 136.8000
A0-D0 28.9600 28.9930 69.5000 69.5000
A0-C1 22.3850 22.3920 113.3500 113.3490
B2-D0 30.1860 30.1990 19.0000 19.1000
B2-C1 10.0560 10.0600 18.9690 19.0500
D0-C1 20.1300 20.1390 199.0390 199.1200
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 59516.2004266502
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 25.229
HIERARCH ESO ISS PBL12 END 25.226
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 28.96
HIERARCH ESO ISS PBL13 END 28.993
HIERARCH ESO ISS PBLA13 START 69.5
HIERARCH ESO ISS PBLA13 END 69.5
HIERARCH ESO ISS PBL14 START 22.385
HIERARCH ESO ISS PBL14 END 22.392
HIERARCH ESO ISS PBLA14 START 113.35
HIERARCH ESO ISS PBLA14 END 113.349
HIERARCH ESO ISS PBL23 START 30.186
HIERARCH ESO ISS PBL23 END 30.199
HIERARCH ESO ISS PBLA23 START 19.0
HIERARCH ESO ISS PBLA23 END 19.1
HIERARCH ESO ISS PBL24 START 10.056
HIERARCH ESO ISS PBL24 END 10.06
HIERARCH ESO ISS PBLA24 START 18.969
HIERARCH ESO ISS PBLA24 END 19.05
HIERARCH ESO ISS PBL34 START 20.13
HIERARCH ESO ISS PBL34 END 20.139
HIERARCH ESO ISS PBLA34 START 199.039
HIERARCH ESO ISS PBLA34 END 199.12
HIERARCH ESO ISS AMBI TAU0 START 0.005593
HIERARCH ESO ISS AMBI TAU0 END 0.004829
HIERARCH ESO ISS AMBI TEMP 12.98
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.51