15088-4517 SEE 219AB (Lam Lup)

 
 
15h 08m 50.63s -45 16' 47.3" P.A. 124.9 sep 0.11 mag 4.43,5.23 Sp B3V dist. 238.1 pc (776.68 l.y.)
 
 
Coord 2000
15088-4517
Discov num
SEE 219
Comp
AB
Coord arcsec 2000
15 08 50.63 -45 16 47.3
Date first
1897
Date last
2012
Obs
70
Pa first
160
Pa last
91
P.A. Now (θ)
124.9°
Sep first
0.6
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
4.43
Mag sec
5.23
delta mag (ΔM)
0.8
Spectral class
B3V (blue-white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
15088-4517 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Lam Lup 225483 15088-4517 SEE 219 AB 1897 2012 70 125 0.1 4.43 5.23 0.80 Y <===
Show 225483 15088-4517 TOK 8 AC 1997 1997 1 229 6.6 4.54 17.40 12.86
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.4
Precise sep
0.108
Name
Lam Lup
Constellation
Lupus
SAO
225483
HIP
74117
Tycho2
8293-03877-1
HD
133955
HR
5626
GC
20356
CD
CD-44 9889
CP
CP-44 7186
Bayer
Lambda Lupi
Bayer name
Lam Lup
Distance
238.1
Distance ly
776.68
last precise pa
91.4
last precise sep
0.108
 
 
ORBITAL ELEMENTS
 
 
Period (P)70.8y± 0.8 Periastron (T)1997.907y± 0.105 Semi-major axis (a)0.2597a± 0.0021
Eccentricity (e)0.6283± 0.009 Inclination (i)71.59°± 0.41 Longitude of periastron (ω)299.9°± 1.1
Node (Ω)26.64°± 0.61 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.114 24.5
2001 0.129 30.2
2002 0.137 35.0
2003 0.140 39.4
2004 0.140 43.7
2005 0.137 48.1
2006 0.133 52.7
2007 0.129 57.6
2008 0.124 62.9
2009 0.119 68.6
2010 0.114 74.8
2011 0.110 81.5
2012 0.108 88.6
2013 0.106 96.0
2014 0.106 103.5
2015 0.107 110.9
2016 0.110 118.1
2017 0.113 124.9
2018 0.118 131.2
2019 0.124 136.9
2020 0.131 142.1
2021 0.138 146.7
2022 0.146 150.9
2023 0.154 154.6
2024 0.163 158.0
2025 0.171 161.0
2026 0.180 163.7
2027 0.189 166.2
2028 0.197 168.5
2029 0.206 170.6
2030 0.214 172.5

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

grafico orbita





wds15088-4517a.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
15088-4517 SEE 219 AB 2006 63 51 0.1 4.43 5.23 B3V NO 150850.63-451647.3
15088-4517 SEE 219 AB 2008 67 65 0.1 4.43 5.23 B3V NO 150850.63-451647.3
15088-4517 SEE 219 AB 2011 68 84 0.1 4.43 5.23 B3V NO 150850.63-451647.3
15088-4517 SEE 219 AB 2012 69 91 0.1 4.43 5.23 B3V NO 150850.63-451647.3

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