Exposure
ID
PIONI.2021-11-13T07:28:32.352_1
Header ID
PIONI.2021-11-13T07:28:32.352
Date updated
2021-11-13 07:35:48 UTC+0000
Release date
2021-11-13 07:28:32 UTC+0000
UTC Start
2021-11-13 07:28:32.351
UTC End
2021-11-13 07:28:57.951
MJD Start
59531.3114855476
MJD End
59531.3117818439
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004958
Ambient temperature (°C)
13.06
Seeing (arcsec)
0.55
Observation
ID
48835
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
36573
Name
gam Ori
RA
81.282163
DEC
6.34964
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.1790 82.0870 113.0000 113.0000
A0-J2 125.3120 125.2290 91.1000 91.0000
A0-J3 129.9510 130.0030 51.2830 51.2850
G1-J2 57.8850 57.8990 59.0000 59.0000
G1-J3 116.2520 116.2880 12.7870 12.8500
J2-J3 86.9330 86.8920 344.0400 344.1170
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 59531.3114855476
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME gam Ori
RA 81.282163
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 82.179
HIERARCH ESO ISS PBL12 END 82.087
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 125.312
HIERARCH ESO ISS PBL13 END 125.229
HIERARCH ESO ISS PBLA13 START 91.1
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 129.951
HIERARCH ESO ISS PBL14 END 130.003
HIERARCH ESO ISS PBLA14 START 51.283
HIERARCH ESO ISS PBLA14 END 51.285
HIERARCH ESO ISS PBL23 START 57.885
HIERARCH ESO ISS PBL23 END 57.899
HIERARCH ESO ISS PBLA23 START 59.0
HIERARCH ESO ISS PBLA23 END 59.0
HIERARCH ESO ISS PBL24 START 116.252
HIERARCH ESO ISS PBL24 END 116.288
HIERARCH ESO ISS PBLA24 START 12.787
HIERARCH ESO ISS PBLA24 END 12.85
HIERARCH ESO ISS PBL34 START 86.933
HIERARCH ESO ISS PBL34 END 86.892
HIERARCH ESO ISS PBLA34 START 344.04
HIERARCH ESO ISS PBLA34 END 344.117
HIERARCH ESO ISS AMBI TAU0 START 0.004958
HIERARCH ESO ISS AMBI TAU0 END 0.004958
HIERARCH ESO ISS AMBI TEMP 13.06
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55