10468-4925 R   155 (Mu Vel)

 
 
10H 46M 46.20S -49 25' 12.8" P.A. 56.7 SEP 2.39 MAG 2.82,5.65 SP G5III+G2V DIST. 35.92 PC (117.17 L.Y.)
 
 
Coord 2000
10468-4925
Discov num
R   155
Comp
Coord arcsec 2000
10 46 46.20 -49 25 12.8
Date first
1880
Date last
2016
Obs
51
Pa first
55
Pa last
57
P.A. Now (θ)
56.7°
Sep first
2.8
Sep last
2.3
Sep. Now (ρ)
2.39"
Mag pri
2.82
Mag sec
5.65
delta mag (ΔM)
2.83
Spectral class
G5III+G2V (yellow/yellow)
Pri motion ra
+074
Sec motion ra
+074
Pri motion dec
-055
Sec motion dec
-055
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Mu Vel
Constellation
Vela
SAO
222321
HIP
52727
Tycho2
8206-03033-1
HD
93497
HR
4216
GC
14842
CD
CD-48 5913
CP
CP-48 3516
Bayer
Mu Velorum
Bayer name
Mu Vel
Distance
35.92
Distance ly
117.17
last precise pa
56.9
last precise sep
2.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)149.3y Periastron (T)1945.4y Semi-major axis (a)2.319a
Eccentricity (e)0.969 Inclination (i)66° Longitude of periastron (ω)291.7°
Node (Ω)283° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 2.177 52.5
2001 2.194 52.7
2002 2.210 53.0
2003 2.226 53.3
2004 2.241 53.5
2005 2.255 53.8
2006 2.270 54.1
2007 2.283 54.3
2008 2.296 54.6
2009 2.309 54.8
2010 2.321 55.0
2011 2.333 55.3
2012 2.344 55.5
2013 2.354 55.8
2014 2.364 56.0
2015 2.374 56.2
2016 2.383 56.5
2017 2.391 56.7
2018 2.399 56.9
2019 2.407 57.1
2020 2.414 57.4
2021 2.420 57.6
2022 2.426 57.8
2023 2.431 58.0
2024 2.436 58.2
2025 2.441 58.5
2026 2.444 58.7
2027 2.448 58.9
2028 2.450 59.1
2029 2.452 59.3
2030 2.454 59.6

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic