Exposure
ID
PIONI.2021-10-29T03:52:28.211_1
Header ID
PIONI.2021-10-29T03:52:28.211
Date updated
2021-10-29 04:01:11 UTC+0000
Release date
2021-10-29 03:52:28 UTC+0000
UTC Start
2021-10-29 03:52:28.211
UTC End
2021-10-29 03:52:53.811
MJD Start
59516.1614376321
MJD End
59516.1617339284
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005244
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.46
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 25.1850 25.1890 136.2000 136.2000
A0-D0 25.1550 25.2020 65.4000 65.5000
A0-C1 21.0900 21.1090 114.1360 114.1200
B2-D0 29.1430 29.1520 10.7000 10.8000
B2-C1 9.7100 9.7130 10.6820 10.7770
D0-C1 19.4330 19.4390 190.7480 190.8440
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 59516.1614376321
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 25.185
HIERARCH ESO ISS PBL12 END 25.189
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 25.155
HIERARCH ESO ISS PBL13 END 25.202
HIERARCH ESO ISS PBLA13 START 65.4
HIERARCH ESO ISS PBLA13 END 65.5
HIERARCH ESO ISS PBL14 START 21.09
HIERARCH ESO ISS PBL14 END 21.109
HIERARCH ESO ISS PBLA14 START 114.136
HIERARCH ESO ISS PBLA14 END 114.12
HIERARCH ESO ISS PBL23 START 29.143
HIERARCH ESO ISS PBL23 END 29.152
HIERARCH ESO ISS PBLA23 START 10.7
HIERARCH ESO ISS PBLA23 END 10.8
HIERARCH ESO ISS PBL24 START 9.71
HIERARCH ESO ISS PBL24 END 9.713
HIERARCH ESO ISS PBLA24 START 10.682
HIERARCH ESO ISS PBLA24 END 10.777
HIERARCH ESO ISS PBL34 START 19.433
HIERARCH ESO ISS PBL34 END 19.439
HIERARCH ESO ISS PBLA34 START 190.748
HIERARCH ESO ISS PBLA34 END 190.844
HIERARCH ESO ISS AMBI TAU0 START 0.005244
HIERARCH ESO ISS AMBI TAU0 END 0.005244
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46