Exposure
ID
PIONI.2021-11-07T05:27:30.923_1
Header ID
PIONI.2021-11-07T05:27:30.923
Date updated
2021-11-07 05:35:59 UTC+0000
Release date
2021-11-07 05:27:30 UTC+0000
UTC Start
2021-11-07 05:27:30.923
UTC End
2021-11-07 05:27:56.523
MJD Start
59525.2274412424
MJD End
59525.2277375387
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004836
Ambient temperature (°C)
12.34
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 68.3470 68.3480 271.4000 271.4000
K0-D0 95.1300 95.1620 252.2000 252.2000
K0-J3 53.5170 53.4940 330.8970 330.9500
G2-D0 37.9690 37.9880 215.9000 215.9000
G2-J3 61.8000 61.8330 43.1910 43.2310
D0-J3 99.5780 99.6310 40.4130 40.4560
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 59525.2274412424
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 68.347
HIERARCH ESO ISS PBL12 END 68.348
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.13
HIERARCH ESO ISS PBL13 END 95.162
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.2
HIERARCH ESO ISS PBL14 START 53.517
HIERARCH ESO ISS PBL14 END 53.494
HIERARCH ESO ISS PBLA14 START 330.897
HIERARCH ESO ISS PBLA14 END 330.95
HIERARCH ESO ISS PBL23 START 37.969
HIERARCH ESO ISS PBL23 END 37.988
HIERARCH ESO ISS PBLA23 START 215.9
HIERARCH ESO ISS PBLA23 END 215.9
HIERARCH ESO ISS PBL24 START 61.8
HIERARCH ESO ISS PBL24 END 61.833
HIERARCH ESO ISS PBLA24 START 43.191
HIERARCH ESO ISS PBLA24 END 43.231
HIERARCH ESO ISS PBL34 START 99.578
HIERARCH ESO ISS PBL34 END 99.631
HIERARCH ESO ISS PBLA34 START 40.413
HIERARCH ESO ISS PBLA34 END 40.456
HIERARCH ESO ISS AMBI TAU0 START 0.004836
HIERARCH ESO ISS AMBI TAU0 END 0.004836
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71