Exposure
ID
PIONI.2021-11-09T06:59:00.910_1
Header ID
PIONI.2021-11-09T06:59:00.910
Date updated
2021-11-09 07:06:16 UTC+0000
Release date
2021-11-09 06:59:00 UTC+0000
UTC Start
2021-11-09 06:59:00.910
UTC End
2021-11-09 06:59:26.510
MJD Start
59527.2909827549
MJD End
59527.2912790512
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00455
Ambient temperature (°C)
11.56
Seeing (arcsec)
0.58
Observation
ID
48834
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
36572
Name
bet Eri
RA
76.961474
DEC
-5.08681
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 87.9450 87.8940 115.7000 115.7000
A0-J2 128.3520 128.3120 93.2000 93.2000
A0-J3 130.7400 130.7810 48.9900 49.0190
G1-J2 57.8870 57.9010 57.6000 57.7000
G1-J3 125.4290 125.4460 8.8980 8.9610
J2-J3 97.5110 97.4820 342.3900 342.4560
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 59527.2909827549
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.961474
DEC -5.08681
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 87.945
HIERARCH ESO ISS PBL12 END 87.894
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 115.7
HIERARCH ESO ISS PBL13 START 128.352
HIERARCH ESO ISS PBL13 END 128.312
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 130.74
HIERARCH ESO ISS PBL14 END 130.781
HIERARCH ESO ISS PBLA14 START 48.99
HIERARCH ESO ISS PBLA14 END 49.019
HIERARCH ESO ISS PBL23 START 57.887
HIERARCH ESO ISS PBL23 END 57.901
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 125.429
HIERARCH ESO ISS PBL24 END 125.446
HIERARCH ESO ISS PBLA24 START 8.898
HIERARCH ESO ISS PBLA24 END 8.961
HIERARCH ESO ISS PBL34 START 97.511
HIERARCH ESO ISS PBL34 END 97.482
HIERARCH ESO ISS PBLA34 START 342.39
HIERARCH ESO ISS PBLA34 END 342.456
HIERARCH ESO ISS AMBI TAU0 START 0.00455
HIERARCH ESO ISS AMBI TAU0 END 0.00455
HIERARCH ESO ISS AMBI TEMP 11.56
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58