Exposure
ID
PIONI.2021-11-07T05:25:36.536_1
Header ID
PIONI.2021-11-07T05:25:36.536
Date updated
2021-11-07 05:30:44 UTC+0000
Release date
2021-11-07 05:25:36 UTC+0000
UTC Start
2021-11-07 05:25:36.536
UTC End
2021-11-07 05:26:02.136
MJD Start
59525.226117319
MJD End
59525.2264136153
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005685
Ambient temperature (°C)
12.37
Seeing (arcsec)
0.65
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 68.3440 68.3450 271.4000 271.4000
K0-D0 95.0270 95.0600 252.2000 252.2000
K0-J3 53.5910 53.5680 330.7320 330.7840
G2-D0 37.9080 37.9270 215.7000 215.8000
G2-J3 61.6940 61.7270 43.0620 43.1030
D0-J3 99.4100 99.4630 40.2750 40.3190
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 59525.226117319
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 68.344
HIERARCH ESO ISS PBL12 END 68.345
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.027
HIERARCH ESO ISS PBL13 END 95.06
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.2
HIERARCH ESO ISS PBL14 START 53.591
HIERARCH ESO ISS PBL14 END 53.568
HIERARCH ESO ISS PBLA14 START 330.732
HIERARCH ESO ISS PBLA14 END 330.784
HIERARCH ESO ISS PBL23 START 37.908
HIERARCH ESO ISS PBL23 END 37.927
HIERARCH ESO ISS PBLA23 START 215.7
HIERARCH ESO ISS PBLA23 END 215.8
HIERARCH ESO ISS PBL24 START 61.694
HIERARCH ESO ISS PBL24 END 61.727
HIERARCH ESO ISS PBLA24 START 43.062
HIERARCH ESO ISS PBLA24 END 43.103
HIERARCH ESO ISS PBL34 START 99.41
HIERARCH ESO ISS PBL34 END 99.463
HIERARCH ESO ISS PBLA34 START 40.275
HIERARCH ESO ISS PBLA34 END 40.319
HIERARCH ESO ISS AMBI TAU0 START 0.005685
HIERARCH ESO ISS AMBI TAU0 END 0.005685
HIERARCH ESO ISS AMBI TEMP 12.37
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65