Exposure
ID
PIONI.2021-11-02T05:15:55.590_1
Header ID
PIONI.2021-11-02T05:15:55.590
Date updated
2021-11-02 05:21:56 UTC+0000
Release date
2021-11-02 05:15:55 UTC+0000
UTC Start
2021-11-02 05:15:55.590
UTC End
2021-11-02 05:16:21.190
MJD Start
59520.2193934014
MJD End
59520.2196896977
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00356
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.75
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 25.2680 136.2000 136.2000
A0-D0 24.7020 24.7520 72.9000 73.0000
A0-C1 21.8210 21.8340 116.5380 116.5040
B2-D0 26.2140 26.2270 13.5000 13.6000
B2-C1 8.7340 8.7390 13.4580 13.5600
D0-C1 17.4800 17.4890 193.5340 193.6370
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 59520.2193934014
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 25.268
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.702
HIERARCH ESO ISS PBL13 END 24.752
HIERARCH ESO ISS PBLA13 START 72.9
HIERARCH ESO ISS PBLA13 END 73.0
HIERARCH ESO ISS PBL14 START 21.821
HIERARCH ESO ISS PBL14 END 21.834
HIERARCH ESO ISS PBLA14 START 116.538
HIERARCH ESO ISS PBLA14 END 116.504
HIERARCH ESO ISS PBL23 START 26.214
HIERARCH ESO ISS PBL23 END 26.227
HIERARCH ESO ISS PBLA23 START 13.5
HIERARCH ESO ISS PBLA23 END 13.6
HIERARCH ESO ISS PBL24 START 8.734
HIERARCH ESO ISS PBL24 END 8.739
HIERARCH ESO ISS PBLA24 START 13.458
HIERARCH ESO ISS PBLA24 END 13.56
HIERARCH ESO ISS PBL34 START 17.48
HIERARCH ESO ISS PBL34 END 17.489
HIERARCH ESO ISS PBLA34 START 193.534
HIERARCH ESO ISS PBLA34 END 193.637
HIERARCH ESO ISS AMBI TAU0 START 0.003735
HIERARCH ESO ISS AMBI TAU0 END 0.003385
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.78