Exposure
ID
PIONI.2021-11-12T07:00:58.102_1
Header ID
PIONI.2021-11-12T07:00:58.102
Date updated
2021-11-12 07:06:21 UTC+0000
Release date
2021-11-12 07:00:58 UTC+0000
UTC Start
2021-11-12 07:00:58.101
UTC End
2021-11-12 07:01:23.701
MJD Start
59530.2923391364
MJD End
59530.2926354327
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002985
Ambient temperature (°C)
13.13
Seeing (arcsec)
0.76
Observation
ID
48834
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
36572
Name
bet Eri
RA
76.961474
DEC
-5.08681
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 86.6670 86.6060 116.4000 116.4000
A0-J2 127.2210 127.1610 93.5000 93.5000
A0-J3 131.5600 131.5900 49.5960 49.6210
G1-J2 58.1320 58.1390 58.1000 58.1000
G1-J3 125.8470 125.8660 10.3210 10.3830
J2-J3 96.8700 96.8420 343.9370 344.0060
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 59530.2923391364
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.961474
DEC -5.08681
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 86.667
HIERARCH ESO ISS PBL12 END 86.606
HIERARCH ESO ISS PBLA12 START 116.4
HIERARCH ESO ISS PBLA12 END 116.4
HIERARCH ESO ISS PBL13 START 127.221
HIERARCH ESO ISS PBL13 END 127.161
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 131.56
HIERARCH ESO ISS PBL14 END 131.59
HIERARCH ESO ISS PBLA14 START 49.596
HIERARCH ESO ISS PBLA14 END 49.621
HIERARCH ESO ISS PBL23 START 58.132
HIERARCH ESO ISS PBL23 END 58.139
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 125.847
HIERARCH ESO ISS PBL24 END 125.866
HIERARCH ESO ISS PBLA24 START 10.321
HIERARCH ESO ISS PBLA24 END 10.383
HIERARCH ESO ISS PBL34 START 96.87
HIERARCH ESO ISS PBL34 END 96.842
HIERARCH ESO ISS PBLA34 START 343.937
HIERARCH ESO ISS PBLA34 END 344.006
HIERARCH ESO ISS AMBI TAU0 START 0.002985
HIERARCH ESO ISS AMBI TAU0 END 0.002985
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76