Exposure
ID
PIONI.2021-11-02T05:58:16.836_1
Header ID
PIONI.2021-11-02T05:58:16.836
Date updated
2021-11-02 06:06:58 UTC+0000
Release date
2021-11-02 05:58:16 UTC+0000
UTC Start
2021-11-02 05:58:16.836
UTC End
2021-11-02 05:58:42.436
MJD Start
59520.2488059737
MJD End
59520.24910227
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002483
Ambient temperature (°C)
11.28
Seeing (arcsec)
1.04
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 24.9110 24.9030 135.9000 135.9000
A0-D0 27.8910 27.9300 73.8000 73.8000
A0-C1 22.5090 22.5140 114.5090 114.4860
B2-D0 27.3320 27.3500 20.2000 20.3000
B2-C1 9.1050 9.1110 20.1610 20.2470
D0-C1 18.2260 18.2390 200.2380 200.3250
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 59520.2488059737
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 24.911
HIERARCH ESO ISS PBL12 END 24.903
HIERARCH ESO ISS PBLA12 START 135.9
HIERARCH ESO ISS PBLA12 END 135.9
HIERARCH ESO ISS PBL13 START 27.891
HIERARCH ESO ISS PBL13 END 27.93
HIERARCH ESO ISS PBLA13 START 73.8
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 22.509
HIERARCH ESO ISS PBL14 END 22.514
HIERARCH ESO ISS PBLA14 START 114.509
HIERARCH ESO ISS PBLA14 END 114.486
HIERARCH ESO ISS PBL23 START 27.332
HIERARCH ESO ISS PBL23 END 27.35
HIERARCH ESO ISS PBLA23 START 20.2
HIERARCH ESO ISS PBLA23 END 20.3
HIERARCH ESO ISS PBL24 START 9.105
HIERARCH ESO ISS PBL24 END 9.111
HIERARCH ESO ISS PBLA24 START 20.161
HIERARCH ESO ISS PBLA24 END 20.247
HIERARCH ESO ISS PBL34 START 18.226
HIERARCH ESO ISS PBL34 END 18.239
HIERARCH ESO ISS PBLA34 START 200.238
HIERARCH ESO ISS PBLA34 END 200.325
HIERARCH ESO ISS AMBI TAU0 START 0.00239
HIERARCH ESO ISS AMBI TAU0 END 0.002576
HIERARCH ESO ISS AMBI TEMP 11.28
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 0.96