Exposure
ID
PIONI.2021-11-08T06:16:02.133_1
Header ID
PIONI.2021-11-08T06:16:02.133
Date updated
2021-11-08 06:21:16 UTC+0000
Release date
2021-11-08 06:16:02 UTC+0000
UTC Start
2021-11-08 06:16:02.134
UTC End
2021-11-08 06:16:27.734
MJD Start
59526.2611358049
MJD End
59526.2614321012
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006406
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.58
Observation
ID
48811
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
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.7460 84.6710 116.4000 116.5000
A0-J2 125.7040 125.6260 93.3000 93.3000
A0-J3 131.8090 131.8350 50.2150 50.2320
G1-J2 58.2020 58.2060 58.5000 58.5000
G1-J3 124.7110 124.7340 11.7550 11.8150
J2-J3 94.8090 94.7800 345.2070 345.2800
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 59526.2611358049
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 84.746
HIERARCH ESO ISS PBL12 END 84.671
HIERARCH ESO ISS PBLA12 START 116.4
HIERARCH ESO ISS PBLA12 END 116.5
HIERARCH ESO ISS PBL13 START 125.704
HIERARCH ESO ISS PBL13 END 125.626
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 131.809
HIERARCH ESO ISS PBL14 END 131.835
HIERARCH ESO ISS PBLA14 START 50.215
HIERARCH ESO ISS PBLA14 END 50.232
HIERARCH ESO ISS PBL23 START 58.202
HIERARCH ESO ISS PBL23 END 58.206
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 124.711
HIERARCH ESO ISS PBL24 END 124.734
HIERARCH ESO ISS PBLA24 START 11.755
HIERARCH ESO ISS PBLA24 END 11.815
HIERARCH ESO ISS PBL34 START 94.809
HIERARCH ESO ISS PBL34 END 94.78
HIERARCH ESO ISS PBLA34 START 345.207
HIERARCH ESO ISS PBLA34 END 345.28
HIERARCH ESO ISS AMBI TAU0 START 0.006406
HIERARCH ESO ISS AMBI TAU0 END 0.006406
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58