Exposure
ID
PIONI.2021-11-09T06:57:44.639_1
Header ID
PIONI.2021-11-09T06:57:44.639
Date updated
2021-11-09 07:06:16 UTC+0000
Release date
2021-11-09 06:57:44 UTC+0000
UTC Start
2021-11-09 06:57:44.639
UTC End
2021-11-09 06:58:10.239
MJD Start
59527.2900999868
MJD End
59527.2903962831
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00455
Ambient temperature (°C)
11.55
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 88.0500 88.0000 115.6000 115.7000
A0-J2 128.4330 128.3950 93.2000 93.2000
A0-J3 130.6510 130.6940 48.9280 48.9580
G1-J2 57.8570 57.8720 57.6000 57.6000
G1-J3 125.3930 125.4100 8.7640 8.8280
J2-J3 97.5710 97.5430 342.2510 342.3170
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 59527.2900999868
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 88.05
HIERARCH ESO ISS PBL12 END 88.0
HIERARCH ESO ISS PBLA12 START 115.6
HIERARCH ESO ISS PBLA12 END 115.7
HIERARCH ESO ISS PBL13 START 128.433
HIERARCH ESO ISS PBL13 END 128.395
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 130.651
HIERARCH ESO ISS PBL14 END 130.694
HIERARCH ESO ISS PBLA14 START 48.928
HIERARCH ESO ISS PBLA14 END 48.958
HIERARCH ESO ISS PBL23 START 57.857
HIERARCH ESO ISS PBL23 END 57.872
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 125.393
HIERARCH ESO ISS PBL24 END 125.41
HIERARCH ESO ISS PBLA24 START 8.764
HIERARCH ESO ISS PBLA24 END 8.828
HIERARCH ESO ISS PBL34 START 97.571
HIERARCH ESO ISS PBL34 END 97.543
HIERARCH ESO ISS PBLA34 START 342.251
HIERARCH ESO ISS PBLA34 END 342.317
HIERARCH ESO ISS AMBI TAU0 START 0.00455
HIERARCH ESO ISS AMBI TAU0 END 0.00455
HIERARCH ESO ISS AMBI TEMP 11.55
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58