Exposure
ID
PIONI.2021-11-04T05:52:52.781_1
Header ID
PIONI.2021-11-04T05:52:52.781
Date updated
2021-11-04 06:00:50 UTC+0000
Release date
2021-11-04 05:52:52 UTC+0000
UTC Start
2021-11-04 05:52:52.781
UTC End
2021-11-04 05:53:18.381
MJD Start
59522.2450553305
MJD End
59522.2453516268
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007815
Ambient temperature (°C)
10.75
Seeing (arcsec)
0.49
Observation
ID
48738
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
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 121.0310 121.0720 241.9000 241.9000
K0-D0 95.6980 95.7160 252.5000 252.5000
K0-J3 52.9770 52.9530 332.1470 332.2040
B2-D0 32.2400 32.2540 28.7000 28.7000
B2-J3 132.3520 132.4130 38.2760 38.3170
D0-J3 100.7080 100.7550 41.3400 41.3780
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 59522.2450553305
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
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 B2
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 121.031
HIERARCH ESO ISS PBL12 END 121.072
HIERARCH ESO ISS PBLA12 START 241.9
HIERARCH ESO ISS PBLA12 END 241.9
HIERARCH ESO ISS PBL13 START 95.698
HIERARCH ESO ISS PBL13 END 95.716
HIERARCH ESO ISS PBLA13 START 252.5
HIERARCH ESO ISS PBLA13 END 252.5
HIERARCH ESO ISS PBL14 START 52.977
HIERARCH ESO ISS PBL14 END 52.953
HIERARCH ESO ISS PBLA14 START 332.147
HIERARCH ESO ISS PBLA14 END 332.204
HIERARCH ESO ISS PBL23 START 32.24
HIERARCH ESO ISS PBL23 END 32.254
HIERARCH ESO ISS PBLA23 START 28.7
HIERARCH ESO ISS PBLA23 END 28.7
HIERARCH ESO ISS PBL24 START 132.352
HIERARCH ESO ISS PBL24 END 132.413
HIERARCH ESO ISS PBLA24 START 38.276
HIERARCH ESO ISS PBLA24 END 38.317
HIERARCH ESO ISS PBL34 START 100.708
HIERARCH ESO ISS PBL34 END 100.755
HIERARCH ESO ISS PBLA34 START 41.34
HIERARCH ESO ISS PBLA34 END 41.378
HIERARCH ESO ISS AMBI TAU0 START 0.007815
HIERARCH ESO ISS AMBI TAU0 END 0.007815
HIERARCH ESO ISS AMBI TEMP 10.75
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49