Exposure
ID
PIONI.2021-11-11T05:35:11.836_1
Header ID
PIONI.2021-11-11T05:35:11.836
Date updated
2021-11-11 05:40:43 UTC+0000
Release date
2021-11-11 05:35:11 UTC+0000
UTC Start
2021-11-11 05:35:11.836
UTC End
2021-11-11 05:35:37.436
MJD Start
59529.2327758833
MJD End
59529.2330721796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0034655
Ambient temperature (°C)
11.17
Seeing (arcsec)
0.82
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 85.3880 85.3180 114.8000 114.8000
A0-J2 127.0020 126.9400 92.5000 92.5000
A0-J3 130.4450 130.4900 50.2430 50.2580
G1-J2 57.9100 57.9230 58.5000 58.5000
G1-J3 121.4250 121.4500 10.8110 10.8720
J2-J3 92.9030 92.8690 343.3610 343.4300
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 59529.2327758833
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 85.388
HIERARCH ESO ISS PBL12 END 85.318
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 127.002
HIERARCH ESO ISS PBL13 END 126.94
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 130.445
HIERARCH ESO ISS PBL14 END 130.49
HIERARCH ESO ISS PBLA14 START 50.243
HIERARCH ESO ISS PBLA14 END 50.258
HIERARCH ESO ISS PBL23 START 57.91
HIERARCH ESO ISS PBL23 END 57.923
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 121.425
HIERARCH ESO ISS PBL24 END 121.45
HIERARCH ESO ISS PBLA24 START 10.811
HIERARCH ESO ISS PBLA24 END 10.872
HIERARCH ESO ISS PBL34 START 92.903
HIERARCH ESO ISS PBL34 END 92.869
HIERARCH ESO ISS PBLA34 START 343.361
HIERARCH ESO ISS PBLA34 END 343.43
HIERARCH ESO ISS AMBI TAU0 START 0.003407
HIERARCH ESO ISS AMBI TAU0 END 0.003524
HIERARCH ESO ISS AMBI TEMP 11.17
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.8