Exposure
ID
PIONI.2021-10-30T03:07:52.698_1
Header ID
PIONI.2021-10-30T03:07:52.698
Date updated
2021-10-30 03:16:12 UTC+0000
Release date
2021-10-30 03:07:52 UTC+0000
UTC Start
2021-10-30 03:07:52.698
UTC End
2021-10-30 03:08:18.298
MJD Start
59517.1304710372
MJD End
59517.1307673335
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006361
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.6
Observation
ID
48670
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
36450
Name
10 Tau
RA
54.215025
DEC
0.39726
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 25.1080 25.1140 136.8000 136.7000
A0-D0 22.6740 22.7280 65.9000 65.9000
A0-C1 20.4920 20.5150 116.3800 116.3480
B2-D0 27.7820 27.7880 7.2000 7.3000
B2-C1 9.2570 9.2590 7.1590 7.2620
D0-C1 18.5250 18.5290 187.2250 187.3280
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 59517.1304710372
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215025
DEC 0.39726
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 25.108
HIERARCH ESO ISS PBL12 END 25.114
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 22.674
HIERARCH ESO ISS PBL13 END 22.728
HIERARCH ESO ISS PBLA13 START 65.9
HIERARCH ESO ISS PBLA13 END 65.9
HIERARCH ESO ISS PBL14 START 20.492
HIERARCH ESO ISS PBL14 END 20.515
HIERARCH ESO ISS PBLA14 START 116.38
HIERARCH ESO ISS PBLA14 END 116.348
HIERARCH ESO ISS PBL23 START 27.782
HIERARCH ESO ISS PBL23 END 27.788
HIERARCH ESO ISS PBLA23 START 7.2
HIERARCH ESO ISS PBLA23 END 7.3
HIERARCH ESO ISS PBL24 START 9.257
HIERARCH ESO ISS PBL24 END 9.259
HIERARCH ESO ISS PBLA24 START 7.159
HIERARCH ESO ISS PBLA24 END 7.262
HIERARCH ESO ISS PBL34 START 18.525
HIERARCH ESO ISS PBL34 END 18.529
HIERARCH ESO ISS PBLA34 START 187.225
HIERARCH ESO ISS PBLA34 END 187.328
HIERARCH ESO ISS AMBI TAU0 START 0.006361
HIERARCH ESO ISS AMBI TAU0 END 0.006361
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6