Exposure
ID
PIONI.2021-11-08T06:00:34.033_1
Header ID
PIONI.2021-11-08T06:00:34.033
Date updated
2021-11-08 06:11:18 UTC+0000
Release date
2021-11-08 06:00:34 UTC+0000
UTC Start
2021-11-08 06:00:34.033
UTC End
2021-11-08 06:00:59.633
MJD Start
59526.250393902
MJD End
59526.2506901983
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005779
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.67
Observation
ID
48815
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
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
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 83.6500 83.5680 115.4000 115.4000
A0-J2 125.3590 125.2760 92.5000 92.5000
A0-J3 131.3510 131.3850 50.5490 50.5600
G1-J2 58.1440 58.1510 58.6000 58.6000
G1-J3 122.0430 122.0710 12.2150 12.2760
J2-J3 92.1350 92.1020 345.0180 345.0930
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 59526.250393902
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 83.65
HIERARCH ESO ISS PBL12 END 83.568
HIERARCH ESO ISS PBLA12 START 115.4
HIERARCH ESO ISS PBLA12 END 115.4
HIERARCH ESO ISS PBL13 START 125.359
HIERARCH ESO ISS PBL13 END 125.276
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 131.351
HIERARCH ESO ISS PBL14 END 131.385
HIERARCH ESO ISS PBLA14 START 50.549
HIERARCH ESO ISS PBLA14 END 50.56
HIERARCH ESO ISS PBL23 START 58.144
HIERARCH ESO ISS PBL23 END 58.151
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 122.043
HIERARCH ESO ISS PBL24 END 122.071
HIERARCH ESO ISS PBLA24 START 12.215
HIERARCH ESO ISS PBLA24 END 12.276
HIERARCH ESO ISS PBL34 START 92.135
HIERARCH ESO ISS PBL34 END 92.102
HIERARCH ESO ISS PBLA34 START 345.018
HIERARCH ESO ISS PBLA34 END 345.093
HIERARCH ESO ISS AMBI TAU0 START 0.005779
HIERARCH ESO ISS AMBI TAU0 END 0.005779
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67