Exposure
ID
PIONI.2021-11-08T06:58:38.632_1
Header ID
PIONI.2021-11-08T06:58:38.632
Date updated
2021-11-08 07:11:51 UTC+0000
Release date
2021-11-08 06:58:38 UTC+0000
UTC Start
2021-11-08 06:58:38.632
UTC End
2021-11-08 06:59:04.232
MJD Start
59526.2907249127
MJD End
59526.291021209
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006097
Ambient temperature (°C)
13.01
Seeing (arcsec)
0.58
Observation
ID
48815
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
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
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 73.7540 73.6370 118.9000 119.0000
A0-J2 113.4550 113.2970 92.7000 92.7000
A0-J3 132.1000 132.0810 50.6950 50.6890
G1-J2 57.4610 57.4410 58.1000 58.1000
G1-J3 125.1450 125.1780 17.5090 17.5580
J2-J3 89.6590 89.6420 352.8720 352.9580
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 59526.2907249127
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 73.754
HIERARCH ESO ISS PBL12 END 73.637
HIERARCH ESO ISS PBLA12 START 118.9
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 113.455
HIERARCH ESO ISS PBL13 END 113.297
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 132.1
HIERARCH ESO ISS PBL14 END 132.081
HIERARCH ESO ISS PBLA14 START 50.695
HIERARCH ESO ISS PBLA14 END 50.689
HIERARCH ESO ISS PBL23 START 57.461
HIERARCH ESO ISS PBL23 END 57.441
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 125.145
HIERARCH ESO ISS PBL24 END 125.178
HIERARCH ESO ISS PBLA24 START 17.509
HIERARCH ESO ISS PBLA24 END 17.558
HIERARCH ESO ISS PBL34 START 89.659
HIERARCH ESO ISS PBL34 END 89.642
HIERARCH ESO ISS PBLA34 START 352.872
HIERARCH ESO ISS PBLA34 END 352.958
HIERARCH ESO ISS AMBI TAU0 START 0.006097
HIERARCH ESO ISS AMBI TAU0 END 0.006097
HIERARCH ESO ISS AMBI TEMP 13.01
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58