Exposure
ID
PIONI.2021-10-29T04:32:41.580_1
Header ID
PIONI.2021-10-29T04:32:41.580
Date updated
2021-10-29 04:41:24 UTC+0000
Release date
2021-10-29 04:32:41 UTC+0000
UTC Start
2021-10-29 04:32:41.580
UTC End
2021-10-29 04:33:07.180
MJD Start
59516.18937014
MJD End
59516.1896664363
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048795
Ambient temperature (°C)
13.13
Seeing (arcsec)
0.525
Observation
ID
48673
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
36453
Name
10 Tau
RA
54.215307
DEC
0.39784
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 25.1130 25.1080 136.6000 136.6000
A0-D0 28.7670 28.8010 71.0000 71.1000
A0-C1 22.4710 22.4770 113.7430 113.7380
B2-D0 29.3180 29.3330 19.8000 19.9000
B2-C1 9.7670 9.7720 19.7710 19.8520
D0-C1 19.5510 19.5610 199.8430 199.9240
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 59516.18937014
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215307
DEC 0.39784
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 25.113
HIERARCH ESO ISS PBL12 END 25.108
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 28.767
HIERARCH ESO ISS PBL13 END 28.801
HIERARCH ESO ISS PBLA13 START 71.0
HIERARCH ESO ISS PBLA13 END 71.1
HIERARCH ESO ISS PBL14 START 22.471
HIERARCH ESO ISS PBL14 END 22.477
HIERARCH ESO ISS PBLA14 START 113.743
HIERARCH ESO ISS PBLA14 END 113.738
HIERARCH ESO ISS PBL23 START 29.318
HIERARCH ESO ISS PBL23 END 29.333
HIERARCH ESO ISS PBLA23 START 19.8
HIERARCH ESO ISS PBLA23 END 19.9
HIERARCH ESO ISS PBL24 START 9.767
HIERARCH ESO ISS PBL24 END 9.772
HIERARCH ESO ISS PBLA24 START 19.771
HIERARCH ESO ISS PBLA24 END 19.852
HIERARCH ESO ISS PBL34 START 19.551
HIERARCH ESO ISS PBL34 END 19.561
HIERARCH ESO ISS PBLA34 START 199.843
HIERARCH ESO ISS PBLA34 END 199.924
HIERARCH ESO ISS AMBI TAU0 START 0.004997
HIERARCH ESO ISS AMBI TAU0 END 0.004762
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.53