Exposure
ID
PIONI.2021-11-05T05:29:17.026_1
Header ID
PIONI.2021-11-05T05:29:17.026
Date updated
2021-11-05 05:36:52 UTC+0000
Release date
2021-11-05 05:29:17 UTC+0000
UTC Start
2021-11-05 05:29:17.026
UTC End
2021-11-05 05:29:42.626
MJD Start
59523.2286692788
MJD End
59523.2289655751
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006146
Ambient temperature (°C)
10.78
Seeing (arcsec)
0.34
Observation
ID
48738
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
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 119.3350 119.3950 241.2000 241.2000
K0-D0 94.7790 94.8150 252.1000 252.1000
K0-J3 53.7510 53.7290 330.3810 330.4300
B2-D0 31.7910 31.8050 26.9000 26.9000
B2-J3 130.1970 130.2650 36.7990 36.8460
D0-J3 99.0320 99.0860 39.9670 40.0110
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 59523.2286692788
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 119.335
HIERARCH ESO ISS PBL12 END 119.395
HIERARCH ESO ISS PBLA12 START 241.2
HIERARCH ESO ISS PBLA12 END 241.2
HIERARCH ESO ISS PBL13 START 94.779
HIERARCH ESO ISS PBL13 END 94.815
HIERARCH ESO ISS PBLA13 START 252.1
HIERARCH ESO ISS PBLA13 END 252.1
HIERARCH ESO ISS PBL14 START 53.751
HIERARCH ESO ISS PBL14 END 53.729
HIERARCH ESO ISS PBLA14 START 330.381
HIERARCH ESO ISS PBLA14 END 330.43
HIERARCH ESO ISS PBL23 START 31.791
HIERARCH ESO ISS PBL23 END 31.805
HIERARCH ESO ISS PBLA23 START 26.9
HIERARCH ESO ISS PBLA23 END 26.9
HIERARCH ESO ISS PBL24 START 130.197
HIERARCH ESO ISS PBL24 END 130.265
HIERARCH ESO ISS PBLA24 START 36.799
HIERARCH ESO ISS PBLA24 END 36.846
HIERARCH ESO ISS PBL34 START 99.032
HIERARCH ESO ISS PBL34 END 99.086
HIERARCH ESO ISS PBLA34 START 39.967
HIERARCH ESO ISS PBLA34 END 40.011
HIERARCH ESO ISS AMBI TAU0 START 0.006058
HIERARCH ESO ISS AMBI TAU0 END 0.006234
HIERARCH ESO ISS AMBI TEMP 10.78
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.32