Exposure
ID
PIONI.2021-11-02T06:41:04.376_1
Header ID
PIONI.2021-11-02T06:41:04.376
Date updated
2021-11-02 06:46:40 UTC+0000
Release date
2021-11-02 06:41:04 UTC+0000
UTC Start
2021-11-02 06:41:04.376
UTC End
2021-11-02 06:41:29.976
MJD Start
59520.2785228686
MJD End
59520.2788191649
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0023545
Ambient temperature (°C)
10.7
Seeing (arcsec)
1.4
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 24.1360 24.1230 136.6000 136.6000
A0-D0 30.2380 30.2630 74.0000 74.0000
A0-C1 22.5700 22.5660 113.2460 113.2340
B2-D0 28.7240 28.7440 25.7000 25.8000
B2-C1 9.5680 9.5750 25.6790 25.7460
D0-C1 19.1560 19.1690 205.7530 205.8200
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 59520.2785228686
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 24.136
HIERARCH ESO ISS PBL12 END 24.123
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 30.238
HIERARCH ESO ISS PBL13 END 30.263
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 22.57
HIERARCH ESO ISS PBL14 END 22.566
HIERARCH ESO ISS PBLA14 START 113.246
HIERARCH ESO ISS PBLA14 END 113.234
HIERARCH ESO ISS PBL23 START 28.724
HIERARCH ESO ISS PBL23 END 28.744
HIERARCH ESO ISS PBLA23 START 25.7
HIERARCH ESO ISS PBLA23 END 25.8
HIERARCH ESO ISS PBL24 START 9.568
HIERARCH ESO ISS PBL24 END 9.575
HIERARCH ESO ISS PBLA24 START 25.679
HIERARCH ESO ISS PBLA24 END 25.746
HIERARCH ESO ISS PBL34 START 19.156
HIERARCH ESO ISS PBL34 END 19.169
HIERARCH ESO ISS PBLA34 START 205.753
HIERARCH ESO ISS PBLA34 END 205.82
HIERARCH ESO ISS AMBI TAU0 START 0.002556
HIERARCH ESO ISS AMBI TAU0 END 0.002153
HIERARCH ESO ISS AMBI TEMP 10.7
HIERARCH ESO ISS AMBI FWHM START 1.4
HIERARCH ESO ISS AMBI FWHM END 1.4