Exposure
ID
PIONI.2021-11-02T06:39:10.012_1
Header ID
PIONI.2021-11-02T06:39:10.012
Date updated
2021-11-02 06:46:40 UTC+0000
Release date
2021-11-02 06:39:10 UTC+0000
UTC Start
2021-11-02 06:39:10.012
UTC End
2021-11-02 06:39:35.612
MJD Start
59520.2771992097
MJD End
59520.277495506
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
11.03
Seeing (arcsec)
1.165
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 24.1790 24.1660 136.5000 136.5000
A0-D0 30.1530 30.1800 74.0000 74.0000
A0-C1 22.5810 22.5780 113.2870 113.2740
B2-D0 28.6590 28.6790 25.5000 25.6000
B2-C1 9.5470 9.5530 25.4610 25.5290
D0-C1 19.1130 19.1260 205.5350 205.6040
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 59520.2771992097
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 24.179
HIERARCH ESO ISS PBL12 END 24.166
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 30.153
HIERARCH ESO ISS PBL13 END 30.18
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 22.581
HIERARCH ESO ISS PBL14 END 22.578
HIERARCH ESO ISS PBLA14 START 113.287
HIERARCH ESO ISS PBLA14 END 113.274
HIERARCH ESO ISS PBL23 START 28.659
HIERARCH ESO ISS PBL23 END 28.679
HIERARCH ESO ISS PBLA23 START 25.5
HIERARCH ESO ISS PBLA23 END 25.6
HIERARCH ESO ISS PBL24 START 9.547
HIERARCH ESO ISS PBL24 END 9.553
HIERARCH ESO ISS PBLA24 START 25.461
HIERARCH ESO ISS PBLA24 END 25.529
HIERARCH ESO ISS PBL34 START 19.113
HIERARCH ESO ISS PBL34 END 19.126
HIERARCH ESO ISS PBLA34 START 205.535
HIERARCH ESO ISS PBLA34 END 205.604
HIERARCH ESO ISS AMBI TAU0 START 0.002468
HIERARCH ESO ISS AMBI TAU0 END 0.002556
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.19