Exposure
ID
PIONI.2021-11-09T06:12:57.520_1
Header ID
PIONI.2021-11-09T06:12:57.520
Date updated
2021-11-09 06:21:12 UTC+0000
Release date
2021-11-09 06:12:57 UTC+0000
UTC Start
2021-11-09 06:12:57.520
UTC End
2021-11-09 06:13:23.120
MJD Start
59527.2589990683
MJD End
59527.2592953646
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0036895
Ambient temperature (°C)
11.66
Seeing (arcsec)
0.685
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 84.6390 84.5650 116.5000 116.5000
A0-J2 125.5910 125.5130 93.4000 93.4000
A0-J3 131.8460 131.8690 50.2370 50.2530
G1-J2 58.2070 58.2110 58.5000 58.5000
G1-J3 124.7440 124.7680 11.8390 11.8970
J2-J3 94.7680 94.7400 345.3090 345.3810
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 59527.2589990683
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 84.639
HIERARCH ESO ISS PBL12 END 84.565
HIERARCH ESO ISS PBLA12 START 116.5
HIERARCH ESO ISS PBLA12 END 116.5
HIERARCH ESO ISS PBL13 START 125.591
HIERARCH ESO ISS PBL13 END 125.513
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 131.846
HIERARCH ESO ISS PBL14 END 131.869
HIERARCH ESO ISS PBLA14 START 50.237
HIERARCH ESO ISS PBLA14 END 50.253
HIERARCH ESO ISS PBL23 START 58.207
HIERARCH ESO ISS PBL23 END 58.211
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 124.744
HIERARCH ESO ISS PBL24 END 124.768
HIERARCH ESO ISS PBLA24 START 11.839
HIERARCH ESO ISS PBLA24 END 11.897
HIERARCH ESO ISS PBL34 START 94.768
HIERARCH ESO ISS PBL34 END 94.74
HIERARCH ESO ISS PBLA34 START 345.309
HIERARCH ESO ISS PBLA34 END 345.381
HIERARCH ESO ISS AMBI TAU0 START 0.003681
HIERARCH ESO ISS AMBI TAU0 END 0.003698
HIERARCH ESO ISS AMBI TEMP 11.66
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.67