09488-5237 B  1663

 
 
09h 48m 46.74s -52 36' 56.5" P.A. 326.90 sep 1.2 mag 8.10,11.75 Sp K1V dist. 26.01 pc (84.84 l.y.)
 
 
Coord 2000
09488-5237
Discov num
B  1663
Comp
Coord arcsec 2000
09 48 46.74 -52 36 56.5
Date first
1929
Date last
2020
Obs
31
Pa first
278
Pa last
327
P.A. Now (θ)
326.9°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.25"
Mag pri
8.10
Mag sec
11.75
delta mag (ΔM)
3.65
Spectral class
K1V (yellow-orange)
Pri motion ra
-252
Sec motion ra
Pri motion dec
+233
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.3
Precise sep
1.238
Constellation
Vela
SAO
237371
HIP
48133
Gaia DR2
5309386795502987776
HD
85228
GL
Gl 368.1A
CD
CD-52 3377
CP
CP-52 2830
Distance
26.01
Distance ly
84.84
last precise pa
327.3
last precise sep
1.238
 
 
ORBITAL ELEMENTS
 
 
Period (P)295y Periastron (T)1808.15y Semi-major axis (a)1.912a
Eccentricity (e)0.4 Inclination (i)103.3° Longitude of periastron (ω)259.1°
Node (Ω)125.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.871 345.0
2001 0.888 343.8
2002 0.906 342.6
2003 0.924 341.5
2004 0.942 340.4
2005 0.960 339.4
2006 0.978 338.4
2007 0.996 337.4
2008 1.015 336.5
2009 1.033 335.6
2010 1.051 334.7
2011 1.070 333.9
2012 1.088 333.1
2013 1.106 332.3
2014 1.125 331.6
2015 1.143 330.8
2016 1.161 330.1
2017 1.179 329.4
2018 1.197 328.8
2019 1.214 328.1
2020 1.232 327.5
2021 1.249 326.9
2022 1.266 326.3
2023 1.283 325.7
2024 1.300 325.1
2025 1.316 324.6
2026 1.333 324.1
2027 1.349 323.5
2028 1.364 323.0
2029 1.380 322.5
2030 1.395 322.0


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



 
 


wds09488-5237a.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
09488-5237 B 1663 1991 3 357 0.7 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2009 5 335 1.0 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2010 7 334 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2013 8 332 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2014 9 332 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2015 11 330 1.2 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2017 16 329 1.2 8.10 11.75 K1V O 094846.74-523656.5
09488-5237 B 1663 2018 24 328 1.2 8.10 11.75 K1V O 094846.74-523656.5
09488-5237 B 1663 2019 29 327 1.2 8.10 11.75 K1V O 094846.74-523656.5

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