Exposure
ID
PIONI.2021-10-29T04:32:03.458_1
Header ID
PIONI.2021-10-29T04:32:03.458
Date updated
2021-10-29 04:41:24 UTC+0000
Release date
2021-10-29 04:32:03 UTC+0000
UTC Start
2021-10-29 04:32:03.458
UTC End
2021-10-29 04:32:29.058
MJD Start
59516.1889289115
MJD End
59516.1892252078
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004997
Ambient temperature (°C)
13.13
Seeing (arcsec)
0.52
Observation
ID
48673
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
36453
Name
10 Tau
RA
54.215307
DEC
0.39784
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1190 25.1140 136.6000 136.6000
A0-D0 28.7300 28.7640 71.0000 71.0000
A0-C1 22.4640 22.4700 113.7520 113.7460
B2-D0 29.3020 29.3170 19.7000 19.8000
B2-C1 9.7620 9.7670 19.6850 19.7670
D0-C1 19.5410 19.5510 199.7570 199.8390
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 59516.1889289115
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215307
DEC 0.39784
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.119
HIERARCH ESO ISS PBL12 END 25.114
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 28.73
HIERARCH ESO ISS PBL13 END 28.764
HIERARCH ESO ISS PBLA13 START 71.0
HIERARCH ESO ISS PBLA13 END 71.0
HIERARCH ESO ISS PBL14 START 22.464
HIERARCH ESO ISS PBL14 END 22.47
HIERARCH ESO ISS PBLA14 START 113.752
HIERARCH ESO ISS PBLA14 END 113.746
HIERARCH ESO ISS PBL23 START 29.302
HIERARCH ESO ISS PBL23 END 29.317
HIERARCH ESO ISS PBLA23 START 19.7
HIERARCH ESO ISS PBLA23 END 19.8
HIERARCH ESO ISS PBL24 START 9.762
HIERARCH ESO ISS PBL24 END 9.767
HIERARCH ESO ISS PBLA24 START 19.685
HIERARCH ESO ISS PBLA24 END 19.767
HIERARCH ESO ISS PBL34 START 19.541
HIERARCH ESO ISS PBL34 END 19.551
HIERARCH ESO ISS PBLA34 START 199.757
HIERARCH ESO ISS PBLA34 END 199.839
HIERARCH ESO ISS AMBI TAU0 START 0.004997
HIERARCH ESO ISS AMBI TAU0 END 0.004997
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52