Exposure
ID
PIONI.2021-11-09T06:14:51.658_1
Header ID
PIONI.2021-11-09T06:14:51.658
Date updated
2021-11-09 06:21:12 UTC+0000
Release date
2021-11-09 06:14:51 UTC+0000
UTC Start
2021-11-09 06:14:51.658
UTC End
2021-11-09 06:15:17.258
MJD Start
59527.260320113
MJD End
59527.2606164093
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003698
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.67
Observation
ID
48811
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
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.3980 84.3210 116.6000 116.6000
A0-J2 125.3340 125.2510 93.4000 93.4000
A0-J3 131.9220 131.9440 50.2890 50.3050
G1-J2 58.2170 58.2200 58.5000 58.5000
G1-J3 124.8200 124.8450 12.0280 12.0880
J2-J3 94.6780 94.6500 345.5420 345.6160
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 59527.260320113
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 84.398
HIERARCH ESO ISS PBL12 END 84.321
HIERARCH ESO ISS PBLA12 START 116.6
HIERARCH ESO ISS PBLA12 END 116.6
HIERARCH ESO ISS PBL13 START 125.334
HIERARCH ESO ISS PBL13 END 125.251
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 131.922
HIERARCH ESO ISS PBL14 END 131.944
HIERARCH ESO ISS PBLA14 START 50.289
HIERARCH ESO ISS PBLA14 END 50.305
HIERARCH ESO ISS PBL23 START 58.217
HIERARCH ESO ISS PBL23 END 58.22
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 124.82
HIERARCH ESO ISS PBL24 END 124.845
HIERARCH ESO ISS PBLA24 START 12.028
HIERARCH ESO ISS PBLA24 END 12.088
HIERARCH ESO ISS PBL34 START 94.678
HIERARCH ESO ISS PBL34 END 94.65
HIERARCH ESO ISS PBLA34 START 345.542
HIERARCH ESO ISS PBLA34 END 345.616
HIERARCH ESO ISS AMBI TAU0 START 0.003698
HIERARCH ESO ISS AMBI TAU0 END 0.003698
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67