Exposure
ID
PIONI.2021-11-09T06:15:29.869_1
Header ID
PIONI.2021-11-09T06:15:29.869
Date updated
2021-11-09 06:21:12 UTC+0000
Release date
2021-11-09 06:15:29 UTC+0000
UTC Start
2021-11-09 06:15:29.868
UTC End
2021-11-09 06:15:55.468
MJD Start
59527.2607623655
MJD End
59527.2610586618
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003808
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.7
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 84.3170 84.2400 116.6000 116.7000
A0-J2 125.2470 125.1630 93.4000 93.4000
A0-J3 131.9460 131.9680 50.3050 50.3210
G1-J2 58.2200 58.2220 58.5000 58.5000
G1-J3 124.8460 124.8700 12.0910 12.1500
J2-J3 94.6480 94.6200 345.6200 345.6940
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 59527.2607623655
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 84.317
HIERARCH ESO ISS PBL12 END 84.24
HIERARCH ESO ISS PBLA12 START 116.6
HIERARCH ESO ISS PBLA12 END 116.7
HIERARCH ESO ISS PBL13 START 125.247
HIERARCH ESO ISS PBL13 END 125.163
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 131.946
HIERARCH ESO ISS PBL14 END 131.968
HIERARCH ESO ISS PBLA14 START 50.305
HIERARCH ESO ISS PBLA14 END 50.321
HIERARCH ESO ISS PBL23 START 58.22
HIERARCH ESO ISS PBL23 END 58.222
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 124.846
HIERARCH ESO ISS PBL24 END 124.87
HIERARCH ESO ISS PBLA24 START 12.091
HIERARCH ESO ISS PBLA24 END 12.15
HIERARCH ESO ISS PBL34 START 94.648
HIERARCH ESO ISS PBL34 END 94.62
HIERARCH ESO ISS PBLA34 START 345.62
HIERARCH ESO ISS PBLA34 END 345.694
HIERARCH ESO ISS AMBI TAU0 START 0.003808
HIERARCH ESO ISS AMBI TAU0 END 0.003808
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7