Exposure
ID
PIONI.2021-10-30T02:44:12.743_1
Header ID
PIONI.2021-10-30T02:44:12.743
Date updated
2021-10-30 02:51:19 UTC+0000
Release date
2021-10-30 02:44:12 UTC+0000
UTC Start
2021-10-30 02:44:12.743
UTC End
2021-10-30 02:44:38.343
MJD Start
59517.1140363775
MJD End
59517.1143326738
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00489
Ambient temperature (°C)
13.96
Seeing (arcsec)
0.84
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 24.2580 24.2710 137.6000 137.6000
A0-D0 19.5610 19.6170 56.7000 56.8000
A0-C1 18.3580 18.3890 117.1230 117.0820
B2-D0 28.6730 28.6730 360.0000 0.1000
B2-C1 9.5550 9.5550 359.9440 0.0460
D0-C1 19.1190 19.1190 179.9980 180.1000
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 59517.1140363775
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 24.258
HIERARCH ESO ISS PBL12 END 24.271
HIERARCH ESO ISS PBLA12 START 137.6
HIERARCH ESO ISS PBLA12 END 137.6
HIERARCH ESO ISS PBL13 START 19.561
HIERARCH ESO ISS PBL13 END 19.617
HIERARCH ESO ISS PBLA13 START 56.7
HIERARCH ESO ISS PBLA13 END 56.8
HIERARCH ESO ISS PBL14 START 18.358
HIERARCH ESO ISS PBL14 END 18.389
HIERARCH ESO ISS PBLA14 START 117.123
HIERARCH ESO ISS PBLA14 END 117.082
HIERARCH ESO ISS PBL23 START 28.673
HIERARCH ESO ISS PBL23 END 28.673
HIERARCH ESO ISS PBLA23 START 360.0
HIERARCH ESO ISS PBLA23 END 0.1
HIERARCH ESO ISS PBL24 START 9.555
HIERARCH ESO ISS PBL24 END 9.555
HIERARCH ESO ISS PBLA24 START 359.944
HIERARCH ESO ISS PBLA24 END 0.046
HIERARCH ESO ISS PBL34 START 19.119
HIERARCH ESO ISS PBL34 END 19.119
HIERARCH ESO ISS PBLA34 START 179.998
HIERARCH ESO ISS PBLA34 END 180.1
HIERARCH ESO ISS AMBI TAU0 START 0.004736
HIERARCH ESO ISS AMBI TAU0 END 0.005044
HIERARCH ESO ISS AMBI TEMP 13.96
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.82