Exposure
ID
PIONI.2021-11-04T06:27:08.272_1
Header ID
PIONI.2021-11-04T06:27:08.272
Date updated
2021-11-04 06:31:01 UTC+0000
Release date
2021-11-04 06:27:08 UTC+0000
UTC Start
2021-11-04 06:27:08.272
UTC End
2021-11-04 06:27:33.872
MJD Start
59522.268845737
MJD End
59522.2691420333
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007856
Ambient temperature (°C)
11.03
Seeing (arcsec)
0.3
Observation
ID
48739
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
36503
Name
10 Tau
RA
54.215581
DEC
0.39725
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 122.3070 122.3000 242.7000 242.7000
K0-D0 95.2670 95.2390 252.6000 252.6000
K0-J3 49.4230 49.3960 337.1870 337.2610
B2-D0 32.8630 32.8740 32.7000 32.7000
B2-J3 135.4610 135.5020 41.3630 41.3810
D0-J3 103.0910 103.1190 44.1110 44.1260
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 59522.268845737
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215581
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 122.307
HIERARCH ESO ISS PBL12 END 122.3
HIERARCH ESO ISS PBLA12 START 242.7
HIERARCH ESO ISS PBLA12 END 242.7
HIERARCH ESO ISS PBL13 START 95.267
HIERARCH ESO ISS PBL13 END 95.239
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 49.423
HIERARCH ESO ISS PBL14 END 49.396
HIERARCH ESO ISS PBLA14 START 337.187
HIERARCH ESO ISS PBLA14 END 337.261
HIERARCH ESO ISS PBL23 START 32.863
HIERARCH ESO ISS PBL23 END 32.874
HIERARCH ESO ISS PBLA23 START 32.7
HIERARCH ESO ISS PBLA23 END 32.7
HIERARCH ESO ISS PBL24 START 135.461
HIERARCH ESO ISS PBL24 END 135.502
HIERARCH ESO ISS PBLA24 START 41.363
HIERARCH ESO ISS PBLA24 END 41.381
HIERARCH ESO ISS PBL34 START 103.091
HIERARCH ESO ISS PBL34 END 103.119
HIERARCH ESO ISS PBLA34 START 44.111
HIERARCH ESO ISS PBLA34 END 44.126
HIERARCH ESO ISS AMBI TAU0 START 0.007379
HIERARCH ESO ISS AMBI TAU0 END 0.008333
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.28