03025-1516 HJL1114 (IR Eri)

 
 
03h 02m 32.62s -15 16' 21.8" P.A. 200 mag 8.45, Sp K0V dist. 50.56 pc (164.93 l.y.)
 
 
Coord 2000
03025-1516
Discov num
HJL1114
Comp
Coord arcsec 2000
03 02 32.62 -15 16 21.8
Date first
2014
Date last
2015
Obs
10
Pa first
198
Pa last
200
P.A. Now (θ)
200°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
8.45
Mag sec
delta mag (ΔM)
Spectral class
K0V (yellow-orange)
Pri motion ra
+103
Sec motion ra
Pri motion dec
+049
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
199.5
Precise sep
0.01
Var name
IR Eri
Cdsa2 id
HJL 1114
Constellation
Eridanus
SAO
148731
HIP
14157
Tycho2
5865-01069-1
HD
18955
BD
BD-15 532
Ra deg
3.042394444444444
De deg
-15.272722222222223
Distance
50.56
Distance ly
164.93
last precise pa
199.5
last precise sep
0.01
 
 
ORBITAL ELEMENTS
 
 
Period (P)43.32032d± 0.00013 Periastron (T)51487.5005m (1999.845y)± 0.0079 Semi-major axis (a)5.81m± 0.034
Eccentricity (e)0.7594± 0.001 Inclination (i)92.24°± 0.18 Longitude of periastron (ω)174.69°± 0.17
Node (Ω)19.141°± 0.082 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000-01-01 0.009 20.0
2001-01-01 0.008 18.5
2002-01-01 0.005 20.9
2003-01-01 0.010 19.0
2004-01-01 184.8
2005-01-01 0.010 19.5
2006-01-01 0.004 17.2
2007-01-01 0.009 19.9
2008-01-01 0.008 18.5
2009-01-01 0.006 20.7
2010-01-01 0.010 19.0
2011-01-01 0.001 30.5
2012-01-01 0.010 19.4
2013-01-01 0.003 16.7
2014-01-01 0.009 19.9
2015-01-01 0.008 18.4
2016-01-01 0.006 20.6
2017-01-01 0.010 18.9
2018-01-01 0.002 24.4
2019-01-01 0.010 19.4
2020-01-01 0.002 15.8
2021-01-01 0.009 19.8
2022-01-01 0.007 18.3
2023-01-01 0.007 20.4
2024-01-01 0.009 18.9
2025-01-01 0.002 22.8
2026-01-01 0.010 19.3
2027-01-01 0.001 13.7
2028-01-01 0.009 19.7
2029-01-01 0.007 18.1
2030-01-01 0.007 20.3

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds03025-1516a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03025-1516 HJL1114 2015 10 200 0.0 8.45   K0V NO 030232.62-151621.8

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