Exposure
ID
PIONI.2021-11-02T04:35:40.572_1
Header ID
PIONI.2021-11-02T04:35:40.572
Date updated
2021-11-02 04:41:13 UTC+0000
Release date
2021-11-02 04:35:40 UTC+0000
UTC Start
2021-11-02 04:35:40.572
UTC End
2021-11-02 04:36:06.172
MJD Start
59520.1914418107
MJD End
59520.191738107
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 25.2330 25.2360 137.4000 137.4000
A0-D0 20.9880 21.0480 71.0000 71.1000
A0-C1 20.6390 20.6600 119.3510 119.3010
B2-D0 25.5530 25.5590 6.2000 6.3000
B2-C1 8.5150 8.5170 6.1820 6.2950
D0-C1 17.0380 17.0420 186.2520 186.3650
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 59520.1914418107
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 25.233
HIERARCH ESO ISS PBL12 END 25.236
HIERARCH ESO ISS PBLA12 START 137.4
HIERARCH ESO ISS PBLA12 END 137.4
HIERARCH ESO ISS PBL13 START 20.988
HIERARCH ESO ISS PBL13 END 21.048
HIERARCH ESO ISS PBLA13 START 71.0
HIERARCH ESO ISS PBLA13 END 71.1
HIERARCH ESO ISS PBL14 START 20.639
HIERARCH ESO ISS PBL14 END 20.66
HIERARCH ESO ISS PBLA14 START 119.351
HIERARCH ESO ISS PBLA14 END 119.301
HIERARCH ESO ISS PBL23 START 25.553
HIERARCH ESO ISS PBL23 END 25.559
HIERARCH ESO ISS PBLA23 START 6.2
HIERARCH ESO ISS PBLA23 END 6.3
HIERARCH ESO ISS PBL24 START 8.515
HIERARCH ESO ISS PBL24 END 8.517
HIERARCH ESO ISS PBLA24 START 6.182
HIERARCH ESO ISS PBLA24 END 6.295
HIERARCH ESO ISS PBL34 START 17.038
HIERARCH ESO ISS PBL34 END 17.042
HIERARCH ESO ISS PBLA34 START 186.252
HIERARCH ESO ISS PBLA34 END 186.365
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