Exposure
ID
PIONI.2021-11-12T07:02:14.377_1
Header ID
PIONI.2021-11-12T07:02:14.377
Date updated
2021-11-12 07:11:18 UTC+0000
Release date
2021-11-12 07:02:14 UTC+0000
UTC Start
2021-11-12 07:02:14.378
UTC End
2021-11-12 07:02:39.978
MJD Start
59530.293221964
MJD End
59530.2935182603
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002985
Ambient temperature (°C)
13.16
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 86.5370 86.4750 116.5000 116.5000
A0-J2 127.0940 127.0320 93.6000 93.6000
A0-J3 131.6220 131.6510 49.6470 49.6710
G1-J2 58.1470 58.1540 58.1000 58.2000
G1-J3 125.8870 125.9070 10.4510 10.5120
J2-J3 96.8120 96.7850 344.0840 344.1540
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 59530.293221964
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 86.537
HIERARCH ESO ISS PBL12 END 86.475
HIERARCH ESO ISS PBLA12 START 116.5
HIERARCH ESO ISS PBLA12 END 116.5
HIERARCH ESO ISS PBL13 START 127.094
HIERARCH ESO ISS PBL13 END 127.032
HIERARCH ESO ISS PBLA13 START 93.6
HIERARCH ESO ISS PBLA13 END 93.6
HIERARCH ESO ISS PBL14 START 131.622
HIERARCH ESO ISS PBL14 END 131.651
HIERARCH ESO ISS PBLA14 START 49.647
HIERARCH ESO ISS PBLA14 END 49.671
HIERARCH ESO ISS PBL23 START 58.147
HIERARCH ESO ISS PBL23 END 58.154
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 125.887
HIERARCH ESO ISS PBL24 END 125.907
HIERARCH ESO ISS PBLA24 START 10.451
HIERARCH ESO ISS PBLA24 END 10.512
HIERARCH ESO ISS PBL34 START 96.812
HIERARCH ESO ISS PBL34 END 96.785
HIERARCH ESO ISS PBLA34 START 344.084
HIERARCH ESO ISS PBLA34 END 344.154
HIERARCH ESO ISS AMBI TAU0 START 0.002985
HIERARCH ESO ISS AMBI TAU0 END 0.002985
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76