Exposure
ID
PIONI.2021-11-07T06:45:24.083_1
Header ID
PIONI.2021-11-07T06:45:24.083
Date updated
2021-11-07 06:50:59 UTC+0000
Release date
2021-11-07 06:45:24 UTC+0000
UTC Start
2021-11-07 06:45:24.083
UTC End
2021-11-07 06:45:49.683
MJD Start
59525.2815287379
MJD End
59525.2818250342
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004831
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.835
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 64.4930 64.4350 272.5000 272.6000
K0-D0 94.2120 94.1670 253.0000 253.0000
K0-J3 50.3300 50.3070 339.4940 339.5730
G2-D0 39.7550 39.7620 220.2000 220.3000
G2-J3 64.4290 64.4350 46.5860 46.5980
D0-J3 104.0330 104.0470 44.1680 44.1830
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 59525.2815287379
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 64.493
HIERARCH ESO ISS PBL12 END 64.435
HIERARCH ESO ISS PBLA12 START 272.5
HIERARCH ESO ISS PBLA12 END 272.6
HIERARCH ESO ISS PBL13 START 94.212
HIERARCH ESO ISS PBL13 END 94.167
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 50.33
HIERARCH ESO ISS PBL14 END 50.307
HIERARCH ESO ISS PBLA14 START 339.494
HIERARCH ESO ISS PBLA14 END 339.573
HIERARCH ESO ISS PBL23 START 39.755
HIERARCH ESO ISS PBL23 END 39.762
HIERARCH ESO ISS PBLA23 START 220.2
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 64.429
HIERARCH ESO ISS PBL24 END 64.435
HIERARCH ESO ISS PBLA24 START 46.586
HIERARCH ESO ISS PBLA24 END 46.598
HIERARCH ESO ISS PBL34 START 104.033
HIERARCH ESO ISS PBL34 END 104.047
HIERARCH ESO ISS PBLA34 START 44.168
HIERARCH ESO ISS PBLA34 END 44.183
HIERARCH ESO ISS AMBI TAU0 START 0.004831
HIERARCH ESO ISS AMBI TAU0 END 0.004831
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.92