Exposure
ID
PIONI.2021-11-06T04:45:31.751_1
Header ID
PIONI.2021-11-06T04:45:31.751
Date updated
2021-11-06 04:55:47 UTC+0000
Release date
2021-11-06 04:45:31 UTC+0000
UTC Start
2021-11-06 04:45:31.752
UTC End
2021-11-06 04:45:57.352
MJD Start
59524.1982841627
MJD End
59524.198580459
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003014
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.71
Observation
ID
48773
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
36530
Name
32 Eri A
RA
58.573049
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.9420 66.9780 270.9000 270.9000
K0-D0 91.0080 91.0830 250.8000 250.8000
K0-J3 55.1160 55.0980 327.4910 327.5280
G2-D0 36.3360 36.3590 211.5000 211.6000
G2-J3 58.8120 58.8560 39.3800 39.4390
D0-J3 94.9370 95.0040 36.3850 36.4480
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 59524.1982841627
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.573049
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 66.942
HIERARCH ESO ISS PBL12 END 66.978
HIERARCH ESO ISS PBLA12 START 270.9
HIERARCH ESO ISS PBLA12 END 270.9
HIERARCH ESO ISS PBL13 START 91.008
HIERARCH ESO ISS PBL13 END 91.083
HIERARCH ESO ISS PBLA13 START 250.8
HIERARCH ESO ISS PBLA13 END 250.8
HIERARCH ESO ISS PBL14 START 55.116
HIERARCH ESO ISS PBL14 END 55.098
HIERARCH ESO ISS PBLA14 START 327.491
HIERARCH ESO ISS PBLA14 END 327.528
HIERARCH ESO ISS PBL23 START 36.336
HIERARCH ESO ISS PBL23 END 36.359
HIERARCH ESO ISS PBLA23 START 211.5
HIERARCH ESO ISS PBLA23 END 211.6
HIERARCH ESO ISS PBL24 START 58.812
HIERARCH ESO ISS PBL24 END 58.856
HIERARCH ESO ISS PBLA24 START 39.38
HIERARCH ESO ISS PBLA24 END 39.439
HIERARCH ESO ISS PBL34 START 94.937
HIERARCH ESO ISS PBL34 END 95.004
HIERARCH ESO ISS PBLA34 START 36.385
HIERARCH ESO ISS PBLA34 END 36.448
HIERARCH ESO ISS AMBI TAU0 START 0.003014
HIERARCH ESO ISS AMBI TAU0 END 0.003014
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71