Exposure
ID
PIONI.2021-10-29T05:34:45.055_1
Header ID
PIONI.2021-10-29T05:34:45.055
Date updated
2021-10-29 05:41:23 UTC+0000
Release date
2021-10-29 05:34:45 UTC+0000
UTC Start
2021-10-29 05:34:45.054
UTC End
2021-10-29 05:35:10.654
MJD Start
59516.2324659051
MJD End
59516.2327622014
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004032
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.55
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 25.2580 25.2560 136.2000 136.1000
A0-D0 24.9600 25.0100 73.0000 73.1000
A0-C1 21.8910 21.9040 116.3620 116.3280
B2-D0 26.2820 26.2960 14.0000 14.1000
B2-C1 8.7570 8.7610 13.9840 14.0850
D0-C1 17.5260 17.5350 194.0610 194.1620
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 59516.2324659051
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 25.258
HIERARCH ESO ISS PBL12 END 25.256
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 24.96
HIERARCH ESO ISS PBL13 END 25.01
HIERARCH ESO ISS PBLA13 START 73.0
HIERARCH ESO ISS PBLA13 END 73.1
HIERARCH ESO ISS PBL14 START 21.891
HIERARCH ESO ISS PBL14 END 21.904
HIERARCH ESO ISS PBLA14 START 116.362
HIERARCH ESO ISS PBLA14 END 116.328
HIERARCH ESO ISS PBL23 START 26.282
HIERARCH ESO ISS PBL23 END 26.296
HIERARCH ESO ISS PBLA23 START 14.0
HIERARCH ESO ISS PBLA23 END 14.1
HIERARCH ESO ISS PBL24 START 8.757
HIERARCH ESO ISS PBL24 END 8.761
HIERARCH ESO ISS PBLA24 START 13.984
HIERARCH ESO ISS PBLA24 END 14.085
HIERARCH ESO ISS PBL34 START 17.526
HIERARCH ESO ISS PBL34 END 17.535
HIERARCH ESO ISS PBLA34 START 194.061
HIERARCH ESO ISS PBLA34 END 194.162
HIERARCH ESO ISS AMBI TAU0 START 0.004032
HIERARCH ESO ISS AMBI TAU0 END 0.004032
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55