Exposure
ID
PIONI.2021-11-11T05:35:49.711_1
Header ID
PIONI.2021-11-11T05:35:49.711
Date updated
2021-11-11 05:40:43 UTC+0000
Release date
2021-11-11 05:35:49 UTC+0000
UTC Start
2021-11-11 05:35:49.711
UTC End
2021-11-11 05:36:15.311
MJD Start
59529.2332142508
MJD End
59529.2335105471
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003524
Ambient temperature (°C)
11.14
Seeing (arcsec)
0.8
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 85.3120 85.2400 114.8000 114.9000
A0-J2 126.9350 126.8710 92.5000 92.5000
A0-J3 130.4930 130.5390 50.2600 50.2750
G1-J2 57.9240 57.9370 58.5000 58.5000
G1-J3 121.4520 121.4780 10.8770 10.9400
J2-J3 92.8660 92.8310 343.4360 343.5070
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 59529.2332142508
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 85.312
HIERARCH ESO ISS PBL12 END 85.24
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 126.935
HIERARCH ESO ISS PBL13 END 126.871
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 130.493
HIERARCH ESO ISS PBL14 END 130.539
HIERARCH ESO ISS PBLA14 START 50.26
HIERARCH ESO ISS PBLA14 END 50.275
HIERARCH ESO ISS PBL23 START 57.924
HIERARCH ESO ISS PBL23 END 57.937
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 121.452
HIERARCH ESO ISS PBL24 END 121.478
HIERARCH ESO ISS PBLA24 START 10.877
HIERARCH ESO ISS PBLA24 END 10.94
HIERARCH ESO ISS PBL34 START 92.866
HIERARCH ESO ISS PBL34 END 92.831
HIERARCH ESO ISS PBLA34 START 343.436
HIERARCH ESO ISS PBLA34 END 343.507
HIERARCH ESO ISS AMBI TAU0 START 0.003524
HIERARCH ESO ISS AMBI TAU0 END 0.003524
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8