Exposure
ID
PIONI.2021-10-29T03:17:16.870_1
Header ID
PIONI.2021-10-29T03:17:16.870
Date updated
2021-10-29 03:25:46 UTC+0000
Release date
2021-10-29 03:17:16 UTC+0000
UTC Start
2021-10-29 03:17:16.870
UTC End
2021-10-29 03:17:42.470
MJD Start
59516.1370008057
MJD End
59516.137297102
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004333
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.885
Observation
ID
48670
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
36450
Name
10 Tau
RA
54.215025
DEC
0.39726
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 25.1560 25.1610 136.6000 136.6000
A0-D0 23.1620 23.2150 66.4000 66.4000
A0-C1 20.6930 20.7140 116.0940 116.0640
B2-D0 27.8440 27.8510 8.1000 8.2000
B2-C1 9.2780 9.2800 8.0960 8.1990
D0-C1 18.5660 18.5710 188.1630 188.2660
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 59516.1370008057
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215025
DEC 0.39726
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 25.156
HIERARCH ESO ISS PBL12 END 25.161
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 23.162
HIERARCH ESO ISS PBL13 END 23.215
HIERARCH ESO ISS PBLA13 START 66.4
HIERARCH ESO ISS PBLA13 END 66.4
HIERARCH ESO ISS PBL14 START 20.693
HIERARCH ESO ISS PBL14 END 20.714
HIERARCH ESO ISS PBLA14 START 116.094
HIERARCH ESO ISS PBLA14 END 116.064
HIERARCH ESO ISS PBL23 START 27.844
HIERARCH ESO ISS PBL23 END 27.851
HIERARCH ESO ISS PBLA23 START 8.1
HIERARCH ESO ISS PBLA23 END 8.2
HIERARCH ESO ISS PBL24 START 9.278
HIERARCH ESO ISS PBL24 END 9.28
HIERARCH ESO ISS PBLA24 START 8.096
HIERARCH ESO ISS PBLA24 END 8.199
HIERARCH ESO ISS PBL34 START 18.566
HIERARCH ESO ISS PBL34 END 18.571
HIERARCH ESO ISS PBLA34 START 188.163
HIERARCH ESO ISS PBLA34 END 188.266
HIERARCH ESO ISS AMBI TAU0 START 0.004318
HIERARCH ESO ISS AMBI TAU0 END 0.004348
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.88