Exposure
ID
PIONI.2021-11-02T04:36:18.868_1
Header ID
PIONI.2021-11-02T04:36:18.868
Date updated
2021-11-02 04:41:13 UTC+0000
Release date
2021-11-02 04:36:18 UTC+0000
UTC Start
2021-11-02 04:36:18.869
UTC End
2021-11-02 04:36:44.469
MJD Start
59520.1918850536
MJD End
59520.1921813499
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002739
Ambient temperature (°C)
11.37
Seeing (arcsec)
0.95
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 25.2360 25.2390 137.4000 137.4000
A0-D0 21.0510 21.1110 71.1000 71.1000
A0-C1 20.6620 20.6820 119.2980 119.2490
B2-D0 25.5590 25.5660 6.3000 6.5000
B2-C1 8.5170 8.5190 6.3010 6.4140
D0-C1 17.0420 17.0470 186.3710 186.4840
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 59520.1918850536
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 25.236
HIERARCH ESO ISS PBL12 END 25.239
HIERARCH ESO ISS PBLA12 START 137.4
HIERARCH ESO ISS PBLA12 END 137.4
HIERARCH ESO ISS PBL13 START 21.051
HIERARCH ESO ISS PBL13 END 21.111
HIERARCH ESO ISS PBLA13 START 71.1
HIERARCH ESO ISS PBLA13 END 71.1
HIERARCH ESO ISS PBL14 START 20.662
HIERARCH ESO ISS PBL14 END 20.682
HIERARCH ESO ISS PBLA14 START 119.298
HIERARCH ESO ISS PBLA14 END 119.249
HIERARCH ESO ISS PBL23 START 25.559
HIERARCH ESO ISS PBL23 END 25.566
HIERARCH ESO ISS PBLA23 START 6.3
HIERARCH ESO ISS PBLA23 END 6.5
HIERARCH ESO ISS PBL24 START 8.517
HIERARCH ESO ISS PBL24 END 8.519
HIERARCH ESO ISS PBLA24 START 6.301
HIERARCH ESO ISS PBLA24 END 6.414
HIERARCH ESO ISS PBL34 START 17.042
HIERARCH ESO ISS PBL34 END 17.047
HIERARCH ESO ISS PBLA34 START 186.371
HIERARCH ESO ISS PBLA34 END 186.484
HIERARCH ESO ISS AMBI TAU0 START 0.002739
HIERARCH ESO ISS AMBI TAU0 END 0.002739
HIERARCH ESO ISS AMBI TEMP 11.37
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95