Exposure
ID
PIONI.2021-10-30T02:41:40.495_1
Header ID
PIONI.2021-10-30T02:41:40.495
Date updated
2021-10-30 02:51:19 UTC+0000
Release date
2021-10-30 02:41:40 UTC+0000
UTC Start
2021-10-30 02:41:40.495
UTC End
2021-10-30 02:42:06.095
MJD Start
59517.1122742477
MJD End
59517.112570544
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006038
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.67
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.2040 24.2170 137.7000 137.7000
A0-D0 19.3270 19.3810 56.2000 56.3000
A0-C1 18.2270 18.2580 117.3020 117.2610
B2-D0 28.6740 28.6740 359.5000 359.6000
B2-C1 9.5550 9.5550 359.5110 359.6110
D0-C1 19.1190 19.1190 179.5640 179.6640
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 59517.1122742477
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.204
HIERARCH ESO ISS PBL12 END 24.217
HIERARCH ESO ISS PBLA12 START 137.7
HIERARCH ESO ISS PBLA12 END 137.7
HIERARCH ESO ISS PBL13 START 19.327
HIERARCH ESO ISS PBL13 END 19.381
HIERARCH ESO ISS PBLA13 START 56.2
HIERARCH ESO ISS PBLA13 END 56.3
HIERARCH ESO ISS PBL14 START 18.227
HIERARCH ESO ISS PBL14 END 18.258
HIERARCH ESO ISS PBLA14 START 117.302
HIERARCH ESO ISS PBLA14 END 117.261
HIERARCH ESO ISS PBL23 START 28.674
HIERARCH ESO ISS PBL23 END 28.674
HIERARCH ESO ISS PBLA23 START 359.5
HIERARCH ESO ISS PBLA23 END 359.6
HIERARCH ESO ISS PBL24 START 9.555
HIERARCH ESO ISS PBL24 END 9.555
HIERARCH ESO ISS PBLA24 START 359.511
HIERARCH ESO ISS PBLA24 END 359.611
HIERARCH ESO ISS PBL34 START 19.119
HIERARCH ESO ISS PBL34 END 19.119
HIERARCH ESO ISS PBLA34 START 179.564
HIERARCH ESO ISS PBLA34 END 179.664
HIERARCH ESO ISS AMBI TAU0 START 0.006038
HIERARCH ESO ISS AMBI TAU0 END 0.006038
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67