Exposure
ID
PIONI.2021-10-29T03:19:11.251_1
Header ID
PIONI.2021-10-29T03:19:11.251
Date updated
2021-10-29 03:25:46 UTC+0000
Release date
2021-10-29 03:19:11 UTC+0000
UTC Start
2021-10-29 03:19:11.251
UTC End
2021-10-29 03:19:36.851
MJD Start
59516.1383246635
MJD End
59516.1386209598
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004196
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.87
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 25.1710 25.1750 136.6000 136.6000
A0-D0 23.3300 23.3830 66.6000 66.6000
A0-C1 20.7610 20.7820 115.9990 115.9690
B2-D0 27.8670 27.8740 8.5000 8.6000
B2-C1 9.2850 9.2880 8.4200 8.5220
D0-C1 18.5820 18.5870 188.4870 188.5890
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 59516.1383246635
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 25.171
HIERARCH ESO ISS PBL12 END 25.175
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 23.33
HIERARCH ESO ISS PBL13 END 23.383
HIERARCH ESO ISS PBLA13 START 66.6
HIERARCH ESO ISS PBLA13 END 66.6
HIERARCH ESO ISS PBL14 START 20.761
HIERARCH ESO ISS PBL14 END 20.782
HIERARCH ESO ISS PBLA14 START 115.999
HIERARCH ESO ISS PBLA14 END 115.969
HIERARCH ESO ISS PBL23 START 27.867
HIERARCH ESO ISS PBL23 END 27.874
HIERARCH ESO ISS PBLA23 START 8.5
HIERARCH ESO ISS PBLA23 END 8.6
HIERARCH ESO ISS PBL24 START 9.285
HIERARCH ESO ISS PBL24 END 9.288
HIERARCH ESO ISS PBLA24 START 8.42
HIERARCH ESO ISS PBLA24 END 8.522
HIERARCH ESO ISS PBL34 START 18.582
HIERARCH ESO ISS PBL34 END 18.587
HIERARCH ESO ISS PBLA34 START 188.487
HIERARCH ESO ISS PBLA34 END 188.589
HIERARCH ESO ISS AMBI TAU0 START 0.004196
HIERARCH ESO ISS AMBI TAU0 END 0.004196
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87