10468-4925 R   155 (Mu Vel)

 
 
10h 46m 46.20s -49 25' 12.8" P.A. 58.10 sep 2.3 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
2019
Obs
53
Pa first
55
Pa last
58
P.A. Now (θ)
58.1°
Sep first
2.8
Sep last
2.3
Sep. Now (ρ)
2.32"
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
 
 
Precise pa
58.2
Precise sep
2.287
Name
Mu Vel
Constellation
Vela
SAO
222321
HIP
52727
Tycho2
8206-03033-1
Gaia DR2
5361403934681413248
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
58.2
last precise sep
2.287
 
 
ORBITAL ELEMENTS
 
 
Period (P)142.927y± 7.8788 Periastron (T)1948.7102y± 1.4024 Semi-major axis (a)1.42551a± 0.21639
Eccentricity (e)0.93998± 0.02468 Inclination (i)40.323°± 11.216 Longitude of periastron (ω)122.424°± 19.329
Node (Ω)108.08°± 17.886 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2014
label rho theta
2000 2.149 52.6
2001 2.163 52.9
2002 2.177 53.1
2003 2.189 53.4
2004 2.201 53.7
2005 2.213 54.0
2006 2.224 54.2
2007 2.234 54.5
2008 2.244 54.8
2009 2.253 55.0
2010 2.262 55.3
2011 2.270 55.6
2012 2.277 55.8
2013 2.284 56.1
2014 2.290 56.3
2015 2.296 56.6
2016 2.301 56.8
2017 2.306 57.1
2018 2.310 57.3
2019 2.313 57.6
2020 2.316 57.8
2021 2.318 58.1
2022 2.320 58.3
2023 2.321 58.6
2024 2.322 58.8
2025 2.322 59.1
2026 2.321 59.3
2027 2.320 59.6
2028 2.318 59.8
2029 2.316 60.1
2030 2.313 60.3


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



 
 


wds10468-4925c.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
10468-4925 R 155 1995 44 51 2.1 2.82 5.65 G5III+G2V NOD 104646.20-492512.8
10468-4925 R 155 2001 45 53 2.0 2.82 5.65 G5III+G2V NOD 104646.20-492512.8
10468-4925 R 155 2013 46 56 2.3 2.82 5.65 G5III G2V NOD 104646.20-492512.8
10468-4925 R 155 2014 48 57 2.3 2.82 5.65 G5III G2V NO 104646.20-492512.8
10468-4925 R 155 2016 51 57 2.3 2.82 5.65 G5III+G2V NO 104646.20-492512.8

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