Exposure
ID
PIONI.2021-10-29T04:10:26.426_1
Header ID
PIONI.2021-10-29T04:10:26.426
Date updated
2021-10-29 04:16:16 UTC+0000
Release date
2021-10-29 04:10:26 UTC+0000
UTC Start
2021-10-29 04:10:26.427
UTC End
2021-10-29 04:10:52.027
MJD Start
59516.1739169736
MJD End
59516.1742132699
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048965
Ambient temperature (°C)
13.2
Seeing (arcsec)
0.435
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
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 25.2780 25.2800 136.2000 136.2000
A0-D0 26.5110 26.5530 67.0000 67.0000
A0-C1 21.6230 21.6390 113.7300 113.7180
B2-D0 29.4270 29.4370 13.5000 13.6000
B2-C1 9.8040 9.8070 13.4880 13.5750
D0-C1 19.6230 19.6290 193.5560 193.6430
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 59516.1739169736
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
DEC -2.95473
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 25.278
HIERARCH ESO ISS PBL12 END 25.28
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 26.511
HIERARCH ESO ISS PBL13 END 26.553
HIERARCH ESO ISS PBLA13 START 67.0
HIERARCH ESO ISS PBLA13 END 67.0
HIERARCH ESO ISS PBL14 START 21.623
HIERARCH ESO ISS PBL14 END 21.639
HIERARCH ESO ISS PBLA14 START 113.73
HIERARCH ESO ISS PBLA14 END 113.718
HIERARCH ESO ISS PBL23 START 29.427
HIERARCH ESO ISS PBL23 END 29.437
HIERARCH ESO ISS PBLA23 START 13.5
HIERARCH ESO ISS PBLA23 END 13.6
HIERARCH ESO ISS PBL24 START 9.804
HIERARCH ESO ISS PBL24 END 9.807
HIERARCH ESO ISS PBLA24 START 13.488
HIERARCH ESO ISS PBLA24 END 13.575
HIERARCH ESO ISS PBL34 START 19.623
HIERARCH ESO ISS PBL34 END 19.629
HIERARCH ESO ISS PBLA34 START 193.556
HIERARCH ESO ISS PBLA34 END 193.643
HIERARCH ESO ISS AMBI TAU0 START 0.004875
HIERARCH ESO ISS AMBI TAU0 END 0.004918
HIERARCH ESO ISS AMBI TEMP 13.2
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43