Exposure
ID
PIONI.2021-10-29T03:51:50.112_1
Header ID
PIONI.2021-10-29T03:51:50.112
Date updated
2021-10-29 03:55:58 UTC+0000
Release date
2021-10-29 03:51:50 UTC+0000
UTC Start
2021-10-29 03:51:50.112
UTC End
2021-10-29 03:52:15.712
MJD Start
59516.1609966671
MJD End
59516.1612929634
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 25.1800 25.1850 136.2000 136.2000
A0-D0 25.1060 25.1530 65.3000 65.4000
A0-C1 21.0690 21.0890 114.1530 114.1370
B2-D0 29.1340 29.1430 10.6000 10.7000
B2-C1 9.7070 9.7100 10.5810 10.6770
D0-C1 19.4270 19.4330 190.6470 190.7430
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 59516.1609966671
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 25.18
HIERARCH ESO ISS PBL12 END 25.185
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 25.106
HIERARCH ESO ISS PBL13 END 25.153
HIERARCH ESO ISS PBLA13 START 65.3
HIERARCH ESO ISS PBLA13 END 65.4
HIERARCH ESO ISS PBL14 START 21.069
HIERARCH ESO ISS PBL14 END 21.089
HIERARCH ESO ISS PBLA14 START 114.153
HIERARCH ESO ISS PBLA14 END 114.137
HIERARCH ESO ISS PBL23 START 29.134
HIERARCH ESO ISS PBL23 END 29.143
HIERARCH ESO ISS PBLA23 START 10.6
HIERARCH ESO ISS PBLA23 END 10.7
HIERARCH ESO ISS PBL24 START 9.707
HIERARCH ESO ISS PBL24 END 9.71
HIERARCH ESO ISS PBLA24 START 10.581
HIERARCH ESO ISS PBLA24 END 10.677
HIERARCH ESO ISS PBL34 START 19.427
HIERARCH ESO ISS PBL34 END 19.433
HIERARCH ESO ISS PBLA34 START 190.647
HIERARCH ESO ISS PBLA34 END 190.743
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