Exposure
ID
PIONI.2021-11-02T03:54:32.237_1
Header ID
PIONI.2021-11-02T03:54:32.237
Date updated
2021-11-02 04:01:49 UTC+0000
Release date
2021-11-02 03:54:32 UTC+0000
UTC Start
2021-11-02 03:54:32.237
UTC End
2021-11-02 03:54:57.837
MJD Start
59520.162873114
MJD End
59520.1631694103
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003138
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.9
Observation
ID
48708
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
36479
Name
bet Eri
RA
76.960917
DEC
-5.08681
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 24.2460 24.2590 136.9000 136.9000
A0-D0 20.8720 20.9250 56.1000 56.2000
A0-C1 18.5900 18.6200 115.2160 115.1850
B2-D0 29.3470 29.3480 1.4000 1.5000
B2-C1 9.7790 9.7790 1.4110 1.5120
D0-C1 19.5680 19.5690 181.4660 181.5660
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 59520.162873114
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.960917
DEC -5.08681
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 24.246
HIERARCH ESO ISS PBL12 END 24.259
HIERARCH ESO ISS PBLA12 START 136.9
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 20.872
HIERARCH ESO ISS PBL13 END 20.925
HIERARCH ESO ISS PBLA13 START 56.1
HIERARCH ESO ISS PBLA13 END 56.2
HIERARCH ESO ISS PBL14 START 18.59
HIERARCH ESO ISS PBL14 END 18.62
HIERARCH ESO ISS PBLA14 START 115.216
HIERARCH ESO ISS PBLA14 END 115.185
HIERARCH ESO ISS PBL23 START 29.347
HIERARCH ESO ISS PBL23 END 29.348
HIERARCH ESO ISS PBLA23 START 1.4
HIERARCH ESO ISS PBLA23 END 1.5
HIERARCH ESO ISS PBL24 START 9.779
HIERARCH ESO ISS PBL24 END 9.779
HIERARCH ESO ISS PBLA24 START 1.411
HIERARCH ESO ISS PBLA24 END 1.512
HIERARCH ESO ISS PBL34 START 19.568
HIERARCH ESO ISS PBL34 END 19.569
HIERARCH ESO ISS PBLA34 START 181.466
HIERARCH ESO ISS PBLA34 END 181.566
HIERARCH ESO ISS AMBI TAU0 START 0.003138
HIERARCH ESO ISS AMBI TAU0 END 0.003138
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9