Exposure
ID
PIONI.2021-11-05T06:18:50.546_1
Header ID
PIONI.2021-11-05T06:18:50.546
Date updated
2021-11-05 06:25:43 UTC+0000
Release date
2021-11-05 06:18:50 UTC+0000
UTC Start
2021-11-05 06:18:50.546
UTC End
2021-11-05 06:19:16.146
MJD Start
59523.2630850202
MJD End
59523.2633813165
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00583
Ambient temperature (°C)
10.46
Seeing (arcsec)
0.51
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 122.2890 122.2980 242.6000 242.6000
K0-D0 95.8660 95.8540 252.9000 252.9000
K0-J3 51.7410 51.7160 335.2600 335.3280
B2-D0 32.8600 32.8710 30.9000 31.0000
B2-J3 135.0130 135.0580 40.0520 40.0820
D0-J3 102.6990 102.7310 42.9550 42.9820
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 59523.2630850202
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 122.289
HIERARCH ESO ISS PBL12 END 122.298
HIERARCH ESO ISS PBLA12 START 242.6
HIERARCH ESO ISS PBLA12 END 242.6
HIERARCH ESO ISS PBL13 START 95.866
HIERARCH ESO ISS PBL13 END 95.854
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 51.741
HIERARCH ESO ISS PBL14 END 51.716
HIERARCH ESO ISS PBLA14 START 335.26
HIERARCH ESO ISS PBLA14 END 335.328
HIERARCH ESO ISS PBL23 START 32.86
HIERARCH ESO ISS PBL23 END 32.871
HIERARCH ESO ISS PBLA23 START 30.9
HIERARCH ESO ISS PBLA23 END 31.0
HIERARCH ESO ISS PBL24 START 135.013
HIERARCH ESO ISS PBL24 END 135.058
HIERARCH ESO ISS PBLA24 START 40.052
HIERARCH ESO ISS PBLA24 END 40.082
HIERARCH ESO ISS PBL34 START 102.699
HIERARCH ESO ISS PBL34 END 102.731
HIERARCH ESO ISS PBLA34 START 42.955
HIERARCH ESO ISS PBLA34 END 42.982
HIERARCH ESO ISS AMBI TAU0 START 0.00583
HIERARCH ESO ISS AMBI TAU0 END 0.00583
HIERARCH ESO ISS AMBI TEMP 10.46
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51