Exposure
ID
PIONI.2021-11-13T07:29:10.260_1
Header ID
PIONI.2021-11-13T07:29:10.260
Date updated
2021-11-13 07:35:48 UTC+0000
Release date
2021-11-13 07:29:10 UTC+0000
UTC Start
2021-11-13 07:29:10.260
UTC End
2021-11-13 07:29:35.860
MJD Start
59531.3119243053
MJD End
59531.3122206016
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048465
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 82.0820 81.9900 113.0000 113.0000
A0-J2 125.2250 125.1410 91.0000 91.0000
A0-J3 130.0050 130.0560 51.2850 51.2860
G1-J2 57.8990 57.9130 59.0000 59.0000
G1-J3 116.2900 116.3270 12.8530 12.9160
J2-J3 86.8900 86.8490 344.1220 344.2000
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 59531.3119243053
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 82.082
HIERARCH ESO ISS PBL12 END 81.99
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 125.225
HIERARCH ESO ISS PBL13 END 125.141
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 130.005
HIERARCH ESO ISS PBL14 END 130.056
HIERARCH ESO ISS PBLA14 START 51.285
HIERARCH ESO ISS PBLA14 END 51.286
HIERARCH ESO ISS PBL23 START 57.899
HIERARCH ESO ISS PBL23 END 57.913
HIERARCH ESO ISS PBLA23 START 59.0
HIERARCH ESO ISS PBLA23 END 59.0
HIERARCH ESO ISS PBL24 START 116.29
HIERARCH ESO ISS PBL24 END 116.327
HIERARCH ESO ISS PBLA24 START 12.853
HIERARCH ESO ISS PBLA24 END 12.916
HIERARCH ESO ISS PBL34 START 86.89
HIERARCH ESO ISS PBL34 END 86.849
HIERARCH ESO ISS PBLA34 START 344.122
HIERARCH ESO ISS PBLA34 END 344.2
HIERARCH ESO ISS AMBI TAU0 START 0.004958
HIERARCH ESO ISS AMBI TAU0 END 0.004735
HIERARCH ESO ISS AMBI TEMP 13.06
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55