Exposure
ID
PIONI.2021-11-12T04:48:44.880_1
Header ID
PIONI.2021-11-12T04:48:44.880
Date updated
2021-11-12 04:55:48 UTC+0000
Release date
2021-11-12 04:48:44 UTC+0000
UTC Start
2021-11-12 04:48:44.880
UTC End
2021-11-12 04:49:10.480
MJD Start
59530.2005194491
MJD End
59530.2008157454
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003565
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.77
Observation
ID
48832
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
36500
Name
tau02 Eri
RA
42.758876
DEC
-21.0041
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 89.0960 89.0620 120.1000 120.2000
A0-J2 127.3560 127.3020 96.6000 96.6000
A0-J3 131.9990 131.9790 49.6470 49.6940
G1-J2 57.9150 57.9030 58.6000 58.7000
G1-J3 132.2980 132.3010 10.2450 10.3040
J2-J3 103.3590 103.3520 345.4720 345.5400
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 59530.2005194491
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758876
DEC -21.0041
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 89.096
HIERARCH ESO ISS PBL12 END 89.062
HIERARCH ESO ISS PBLA12 START 120.1
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 127.356
HIERARCH ESO ISS PBL13 END 127.302
HIERARCH ESO ISS PBLA13 START 96.6
HIERARCH ESO ISS PBLA13 END 96.6
HIERARCH ESO ISS PBL14 START 131.999
HIERARCH ESO ISS PBL14 END 131.979
HIERARCH ESO ISS PBLA14 START 49.647
HIERARCH ESO ISS PBLA14 END 49.694
HIERARCH ESO ISS PBL23 START 57.915
HIERARCH ESO ISS PBL23 END 57.903
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 132.298
HIERARCH ESO ISS PBL24 END 132.301
HIERARCH ESO ISS PBLA24 START 10.245
HIERARCH ESO ISS PBLA24 END 10.304
HIERARCH ESO ISS PBL34 START 103.359
HIERARCH ESO ISS PBL34 END 103.352
HIERARCH ESO ISS PBLA34 START 345.472
HIERARCH ESO ISS PBLA34 END 345.54
HIERARCH ESO ISS AMBI TAU0 START 0.003565
HIERARCH ESO ISS AMBI TAU0 END 0.003565
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77