Exposure
ID
PIONI.2021-10-29T05:00:09.254_1
Header ID
PIONI.2021-10-29T05:00:09.254
Date updated
2021-10-29 05:06:55 UTC+0000
Release date
2021-10-29 05:00:09 UTC+0000
UTC Start
2021-10-29 05:00:09.254
UTC End
2021-10-29 05:00:34.854
MJD Start
59516.2084404393
MJD End
59516.2087367356
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004332
Ambient temperature (°C)
12.97
Seeing (arcsec)
0.57
Observation
ID
48674
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
36454
Name
gam Ori
RA
81.281603
DEC
6.34964
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 25.2710 25.2740 137.1000 137.1000
A0-D0 21.8430 21.9010 71.6000 71.6000
A0-C1 20.9360 20.9550 118.6560 118.6100
B2-D0 25.6560 25.6640 7.9000 8.0000
B2-C1 8.5490 8.5520 7.8160 7.9280
D0-C1 17.1070 17.1120 187.8880 188.0000
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 59516.2084404393
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME gam Ori
RA 81.281603
DEC 6.34964
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 25.271
HIERARCH ESO ISS PBL12 END 25.274
HIERARCH ESO ISS PBLA12 START 137.1
HIERARCH ESO ISS PBLA12 END 137.1
HIERARCH ESO ISS PBL13 START 21.843
HIERARCH ESO ISS PBL13 END 21.901
HIERARCH ESO ISS PBLA13 START 71.6
HIERARCH ESO ISS PBLA13 END 71.6
HIERARCH ESO ISS PBL14 START 20.936
HIERARCH ESO ISS PBL14 END 20.955
HIERARCH ESO ISS PBLA14 START 118.656
HIERARCH ESO ISS PBLA14 END 118.61
HIERARCH ESO ISS PBL23 START 25.656
HIERARCH ESO ISS PBL23 END 25.664
HIERARCH ESO ISS PBLA23 START 7.9
HIERARCH ESO ISS PBLA23 END 8.0
HIERARCH ESO ISS PBL24 START 8.549
HIERARCH ESO ISS PBL24 END 8.552
HIERARCH ESO ISS PBLA24 START 7.816
HIERARCH ESO ISS PBLA24 END 7.928
HIERARCH ESO ISS PBL34 START 17.107
HIERARCH ESO ISS PBL34 END 17.112
HIERARCH ESO ISS PBLA34 START 187.888
HIERARCH ESO ISS PBLA34 END 188.0
HIERARCH ESO ISS AMBI TAU0 START 0.004332
HIERARCH ESO ISS AMBI TAU0 END 0.004332
HIERARCH ESO ISS AMBI TEMP 12.97
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57