Exposure
ID
PIONI.2021-11-09T04:57:06.509_1
Header ID
PIONI.2021-11-09T04:57:06.509
Date updated
2021-11-09 05:05:34 UTC+0000
Release date
2021-11-09 04:57:06 UTC+0000
UTC Start
2021-11-09 04:57:06.508
UTC End
2021-11-09 04:57:32.108
MJD Start
59527.2063253284
MJD End
59527.2066216247
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005704
Ambient temperature (°C)
11.97
Seeing (arcsec)
0.54
Observation
ID
48832
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
36500
Name
tau02 Eri
RA
42.758876
DEC
-21.0041
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 89.2820 89.2520 119.8000 119.8000
A0-J2 127.6500 127.6010 96.3000 96.3000
A0-J3 132.1040 132.0870 49.3810 49.4270
G1-J2 57.9830 57.9720 58.4000 58.4000
G1-J3 132.2850 132.2870 9.9070 9.9650
J2-J3 103.3990 103.3920 345.0820 345.1480
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 59527.2063253284
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758876
DEC -21.0041
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 89.282
HIERARCH ESO ISS PBL12 END 89.252
HIERARCH ESO ISS PBLA12 START 119.8
HIERARCH ESO ISS PBLA12 END 119.8
HIERARCH ESO ISS PBL13 START 127.65
HIERARCH ESO ISS PBL13 END 127.601
HIERARCH ESO ISS PBLA13 START 96.3
HIERARCH ESO ISS PBLA13 END 96.3
HIERARCH ESO ISS PBL14 START 132.104
HIERARCH ESO ISS PBL14 END 132.087
HIERARCH ESO ISS PBLA14 START 49.381
HIERARCH ESO ISS PBLA14 END 49.427
HIERARCH ESO ISS PBL23 START 57.983
HIERARCH ESO ISS PBL23 END 57.972
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 132.285
HIERARCH ESO ISS PBL24 END 132.287
HIERARCH ESO ISS PBLA24 START 9.907
HIERARCH ESO ISS PBLA24 END 9.965
HIERARCH ESO ISS PBL34 START 103.399
HIERARCH ESO ISS PBL34 END 103.392
HIERARCH ESO ISS PBLA34 START 345.082
HIERARCH ESO ISS PBLA34 END 345.148
HIERARCH ESO ISS AMBI TAU0 START 0.005704
HIERARCH ESO ISS AMBI TAU0 END 0.005704
HIERARCH ESO ISS AMBI TEMP 11.97
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54