13245+1226 RBR  42

 
 
13h 24m 30.54s +12 25' 54.3" P.A. 11.00 sep 0.8 mag 6.40,11.00 Sp K0III dist. 190.84 pc (622.52 l.y.)
 
 
Coord 2000
13245+1226
Discov num
RBR  42
Comp
Coord arcsec 2000
13 24 30.54 +12 25 54.3
Date first
2003
Date last
2020
Obs
2
Pa first
18
Pa last
11
P.A. Now (θ)
11°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
6.40
Mag sec
11.00
delta mag (ΔM)
4.6
Spectral class
K0III (yellow-orange)
Pri motion ra
-012
Sec motion ra
Pri motion dec
+036
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.4
Precise sep
0.771
Constellation
Virgo
SAO
100553
HIP
65417
Tycho2
0894-00391-1
Gaia DR2
22165922048
HD
116594
HR
5053
BD
BD+13 2663
Distance
190.84
Distance ly
622.52
last precise pa
11.4
last precise sep
0.771
 
 
ORBITAL ELEMENTS
 
 
Period (P)1366.8d (3.74y) Periastron (T)45497.5d (1983.444y) Semi-major axis (a)12m± 1.7
Eccentricity (e)0.19 Inclination (i)68.9°± 4.6 Longitude of periastron (ω)166°
Node (Ω)121.1°± 3.7 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1992
label rho theta
2000-01-01 0.012 107.9
2001-01-01 0.011 136.0
2002-01-01 0.008 286.4
2003-01-01 0.004 28.6
2004-01-01 0.014 115.3
2005-01-01 0.007 151.2
2006-01-01 0.010 301.4
2007-01-01 0.006 78.5
2008-01-01 0.014 121.7
2009-01-01 0.004 193.4
2010-01-01 0.009 315.7
2011-01-01 0.010 98.6
2012-01-01 0.013 128.4
2013-01-01 0.005 261.5
2014-01-01 0.006 340.5
2015-01-01 0.012 108.9
2016-01-01 0.011 137.3
2017-01-01 0.009 288.6
2018-01-01 0.004 36.6
2019-01-01 0.014 116.1
2020-01-01 0.007 154.1
2021-01-01 0.010 303.0
2022-01-01 0.007 82.0
2023-01-01 0.014 122.4
2024-01-01 0.004 202.3
2025-01-01 0.008 317.8
2026-01-01 0.010 100.2
2027-01-01 0.013 129.3
2028-01-01 0.006 266.4
2029-01-01 0.005 345.3
2030-01-01 0.013 109.9

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






wds13245%2B1226s.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
13245+1226 RBR 42 2003 1 18 0.8 6.40 11.00 K0III N 132430.54+122554.3

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