Exposure
ID
PIONI.2021-11-09T06:59:39.081_1
Header ID
PIONI.2021-11-09T06:59:39.081
Date updated
2021-11-09 07:11:00 UTC+0000
Release date
2021-11-09 06:59:39 UTC+0000
UTC Start
2021-11-09 06:59:39.081
UTC End
2021-11-09 07:00:04.681
MJD Start
59527.2914245455
MJD End
59527.2917208418
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00455
Ambient temperature (°C)
11.48
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 87.8910 87.8400 115.7000 115.8000
A0-J2 128.3100 128.2690 93.2000 93.2000
A0-J3 130.7840 130.8240 49.0210 49.0500
G1-J2 57.9020 57.9150 57.7000 57.7000
G1-J3 125.4470 125.4640 8.9650 9.0280
J2-J3 97.4810 97.4520 342.4600 342.5260
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 59527.2914245455
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 87.891
HIERARCH ESO ISS PBL12 END 87.84
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 115.8
HIERARCH ESO ISS PBL13 START 128.31
HIERARCH ESO ISS PBL13 END 128.269
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 130.784
HIERARCH ESO ISS PBL14 END 130.824
HIERARCH ESO ISS PBLA14 START 49.021
HIERARCH ESO ISS PBLA14 END 49.05
HIERARCH ESO ISS PBL23 START 57.902
HIERARCH ESO ISS PBL23 END 57.915
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 125.447
HIERARCH ESO ISS PBL24 END 125.464
HIERARCH ESO ISS PBLA24 START 8.965
HIERARCH ESO ISS PBLA24 END 9.028
HIERARCH ESO ISS PBL34 START 97.481
HIERARCH ESO ISS PBL34 END 97.452
HIERARCH ESO ISS PBLA34 START 342.46
HIERARCH ESO ISS PBLA34 END 342.526
HIERARCH ESO ISS AMBI TAU0 START 0.00455
HIERARCH ESO ISS AMBI TAU0 END 0.00455
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58