Exposure
ID
PIONI.2021-11-05T06:20:06.844_1
Header ID
PIONI.2021-11-05T06:20:06.844
Date updated
2021-11-05 06:25:43 UTC+0000
Release date
2021-11-05 06:20:06 UTC+0000
UTC Start
2021-11-05 06:20:06.844
UTC End
2021-11-05 06:20:32.444
MJD Start
59523.2639680998
MJD End
59523.2642643961
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0057265
Ambient temperature (°C)
10.48
Seeing (arcsec)
0.485
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 122.3060 122.3140 242.6000 242.6000
K0-D0 95.8400 95.8270 252.9000 252.9000
K0-J3 51.6880 51.6630 335.4040 335.4720
B2-D0 32.8840 32.8950 31.0000 31.1000
B2-J3 135.1070 135.1510 40.1160 40.1450
D0-J3 102.7670 102.7980 43.0120 43.0380
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 59523.2639680998
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 122.306
HIERARCH ESO ISS PBL12 END 122.314
HIERARCH ESO ISS PBLA12 START 242.6
HIERARCH ESO ISS PBLA12 END 242.6
HIERARCH ESO ISS PBL13 START 95.84
HIERARCH ESO ISS PBL13 END 95.827
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 252.9
HIERARCH ESO ISS PBL14 START 51.688
HIERARCH ESO ISS PBL14 END 51.663
HIERARCH ESO ISS PBLA14 START 335.404
HIERARCH ESO ISS PBLA14 END 335.472
HIERARCH ESO ISS PBL23 START 32.884
HIERARCH ESO ISS PBL23 END 32.895
HIERARCH ESO ISS PBLA23 START 31.0
HIERARCH ESO ISS PBLA23 END 31.1
HIERARCH ESO ISS PBL24 START 135.107
HIERARCH ESO ISS PBL24 END 135.151
HIERARCH ESO ISS PBLA24 START 40.116
HIERARCH ESO ISS PBLA24 END 40.145
HIERARCH ESO ISS PBL34 START 102.767
HIERARCH ESO ISS PBL34 END 102.798
HIERARCH ESO ISS PBLA34 START 43.012
HIERARCH ESO ISS PBLA34 END 43.038
HIERARCH ESO ISS AMBI TAU0 START 0.004828
HIERARCH ESO ISS AMBI TAU0 END 0.006625
HIERARCH ESO ISS AMBI TEMP 10.48
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.41