Exposure
ID
PIONI.2021-11-02T05:16:33.848_1
Header ID
PIONI.2021-11-02T05:16:33.848
Date updated
2021-11-02 05:21:56 UTC+0000
Release date
2021-11-02 05:16:33 UTC+0000
UTC Start
2021-11-02 05:16:33.848
UTC End
2021-11-02 05:16:59.448
MJD Start
59520.2198362015
MJD End
59520.2201324978
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003385
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.78
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 25.2680 25.2660 136.2000 136.2000
A0-D0 24.7550 24.8060 73.0000 73.0000
A0-C1 21.8350 21.8490 116.5020 116.4670
B2-D0 26.2280 26.2410 13.6000 13.7000
B2-C1 8.7390 8.7430 13.5660 13.6680
D0-C1 17.4890 17.4980 193.6420 193.7450
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 59520.2198362015
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 25.268
HIERARCH ESO ISS PBL12 END 25.266
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.755
HIERARCH ESO ISS PBL13 END 24.806
HIERARCH ESO ISS PBLA13 START 73.0
HIERARCH ESO ISS PBLA13 END 73.0
HIERARCH ESO ISS PBL14 START 21.835
HIERARCH ESO ISS PBL14 END 21.849
HIERARCH ESO ISS PBLA14 START 116.502
HIERARCH ESO ISS PBLA14 END 116.467
HIERARCH ESO ISS PBL23 START 26.228
HIERARCH ESO ISS PBL23 END 26.241
HIERARCH ESO ISS PBLA23 START 13.6
HIERARCH ESO ISS PBLA23 END 13.7
HIERARCH ESO ISS PBL24 START 8.739
HIERARCH ESO ISS PBL24 END 8.743
HIERARCH ESO ISS PBLA24 START 13.566
HIERARCH ESO ISS PBLA24 END 13.668
HIERARCH ESO ISS PBL34 START 17.489
HIERARCH ESO ISS PBL34 END 17.498
HIERARCH ESO ISS PBLA34 START 193.642
HIERARCH ESO ISS PBLA34 END 193.745
HIERARCH ESO ISS AMBI TAU0 START 0.003385
HIERARCH ESO ISS AMBI TAU0 END 0.003385
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78