Exposure
ID
PIONI.2021-10-29T03:50:33.843_1
Header ID
PIONI.2021-10-29T03:50:33.843
Date updated
2021-10-29 03:55:58 UTC+0000
Release date
2021-10-29 03:50:33 UTC+0000
UTC Start
2021-10-29 03:50:33.843
UTC End
2021-10-29 03:50:59.443
MJD Start
59516.1601139186
MJD End
59516.1604102149
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0057915
Ambient temperature (°C)
13.42
Seeing (arcsec)
0.48
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 25.1710 25.1750 136.2000 136.2000
A0-D0 25.0050 25.0530 65.2000 65.3000
A0-C1 21.0270 21.0470 114.1890 114.1720
B2-D0 29.1170 29.1250 10.4000 10.5000
B2-C1 9.7010 9.7040 10.3790 10.4740
D0-C1 19.4160 19.4210 190.4450 190.5410
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 59516.1601139186
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 25.171
HIERARCH ESO ISS PBL12 END 25.175
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 25.005
HIERARCH ESO ISS PBL13 END 25.053
HIERARCH ESO ISS PBLA13 START 65.2
HIERARCH ESO ISS PBLA13 END 65.3
HIERARCH ESO ISS PBL14 START 21.027
HIERARCH ESO ISS PBL14 END 21.047
HIERARCH ESO ISS PBLA14 START 114.189
HIERARCH ESO ISS PBLA14 END 114.172
HIERARCH ESO ISS PBL23 START 29.117
HIERARCH ESO ISS PBL23 END 29.125
HIERARCH ESO ISS PBLA23 START 10.4
HIERARCH ESO ISS PBLA23 END 10.5
HIERARCH ESO ISS PBL24 START 9.701
HIERARCH ESO ISS PBL24 END 9.704
HIERARCH ESO ISS PBLA24 START 10.379
HIERARCH ESO ISS PBLA24 END 10.474
HIERARCH ESO ISS PBL34 START 19.416
HIERARCH ESO ISS PBL34 END 19.421
HIERARCH ESO ISS PBLA34 START 190.445
HIERARCH ESO ISS PBLA34 END 190.541
HIERARCH ESO ISS AMBI TAU0 START 0.005298
HIERARCH ESO ISS AMBI TAU0 END 0.006285
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.46