10050-5119 HU 1594

 
 
10h 05m 01.86s -51 18' 49.1" P.A. 17.9 sep 0.09 mag 6.81,7.16 Sp B8/9III dist. 175.13 pc (571.27 l.y.)
 
 
Coord 2000
10050-5119
Discov num
HU 1594
Comp
Coord arcsec 2000
10 05 01.86 -51 18 49.1
Date first
1915
Date last
2017
Obs
31
Pa first
260
Pa last
11
P.A. Now (θ)
17.9°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.09"
Mag pri
6.81
Mag sec
7.16
delta mag (ΔM)
0.35
Spectral class
B8/9III (blue-white)
Pri motion ra
-021
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.2
Precise sep
0.095
Constellation
Vela
SAO
237675
HIP
49394
Tycho2
8194-02009-1
HD
87652
CD
CD-50 4791
CP
CP-50 3018
Distance
175.13
Distance ly
571.27
last precise pa
11.2
last precise sep
0.095
 
 
ORBITAL ELEMENTS
 
 
Period (P)134.51y± 3.76 Periastron (T)2028.97y± 2.28 Semi-major axis (a)0.281a± 0.009
Eccentricity (e)0.629± 0.033 Inclination (i)64.4°± 3.3 Longitude of periastron (ω)21°± 4.6
Node (Ω)87.3°± 1.6 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.225 301.2
2001 0.216 302.6
2002 0.207 304.2
2003 0.198 306.0
2004 0.189 307.9
2005 0.179 310.0
2006 0.170 312.3
2007 0.161 314.9
2008 0.152 317.8
2009 0.143 321.1
2010 0.134 324.8
2011 0.125 329.0
2012 0.117 333.8
2013 0.110 339.3
2014 0.103 345.6
2015 0.098 352.7
2016 0.093 0.5
2017 0.090 9.0
2018 0.089 17.9
2019 0.089 26.9
2020 0.091 35.7
2021 0.094 44.1
2022 0.097 51.9
2023 0.101 59.1
2024 0.105 65.8
2025 0.108 72.0
2026 0.110 78.0
2027 0.109 83.9
2028 0.105 90.1
2029 0.098 96.9
2030 0.089 105.0

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

grafico orbita





wds10050-5119b.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
10050-5119 HU 1594 2006 25 312 0.2 6.81 7.16 B8/9III NO 100501.86-511849.1
10050-5119 HU 1594 2009 26 322 0.1 6.81 7.16 B8/9III NO 100501.86-511849.1
10050-5119 HU 1594 2010 27 330 0.1 6.81 7.16 B8/9III NO 100501.86-511849.1
10050-5119 HU 1594 2014 28 347 0.1 6.81 7.16 B8/9III NO 100501.86-511849.1
10050-5119 HU 1594 2017 31 11 0.1 6.81 7.16 B8/9III NO 100501.86-511849.1

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