Exposure
ID
PIONI.2021-10-30T03:24:38.638_1
Header ID
PIONI.2021-10-30T03:24:38.638
Date updated
2021-10-30 03:31:37 UTC+0000
Release date
2021-10-30 03:24:38 UTC+0000
UTC Start
2021-10-30 03:24:38.638
UTC End
2021-10-30 03:25:04.238
MJD Start
59517.1421138686
MJD End
59517.1424101649
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0070415
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.535
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 24.9460 24.9540 136.4000 136.4000
A0-D0 23.1900 23.2410 62.8000 62.9000
A0-C1 20.2190 20.2430 114.9380 114.9140
B2-D0 28.8630 28.8680 6.8000 6.9000
B2-C1 9.6170 9.6190 6.7910 6.8900
D0-C1 19.2460 19.2490 186.8530 186.9530
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 59517.1421138686
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 24.946
HIERARCH ESO ISS PBL12 END 24.954
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 23.19
HIERARCH ESO ISS PBL13 END 23.241
HIERARCH ESO ISS PBLA13 START 62.8
HIERARCH ESO ISS PBLA13 END 62.9
HIERARCH ESO ISS PBL14 START 20.219
HIERARCH ESO ISS PBL14 END 20.243
HIERARCH ESO ISS PBLA14 START 114.938
HIERARCH ESO ISS PBLA14 END 114.914
HIERARCH ESO ISS PBL23 START 28.863
HIERARCH ESO ISS PBL23 END 28.868
HIERARCH ESO ISS PBLA23 START 6.8
HIERARCH ESO ISS PBLA23 END 6.9
HIERARCH ESO ISS PBL24 START 9.617
HIERARCH ESO ISS PBL24 END 9.619
HIERARCH ESO ISS PBLA24 START 6.791
HIERARCH ESO ISS PBLA24 END 6.89
HIERARCH ESO ISS PBL34 START 19.246
HIERARCH ESO ISS PBL34 END 19.249
HIERARCH ESO ISS PBLA34 START 186.853
HIERARCH ESO ISS PBLA34 END 186.953
HIERARCH ESO ISS AMBI TAU0 START 0.00685
HIERARCH ESO ISS AMBI TAU0 END 0.007233
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.53