10468-4925 R 155 (Mu Vel)

 
 
10h 46m 46.20s -49° 25' 12.8" P.A. 58.00 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 58.2 P.A. Now (θ) 58.2°
Sep first 2.8 Sep last 2.287 Sep. Now (ρ) 2.287"
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 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 Bayer greek μ Vel
 
 
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 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 52.6 2.149
2001 52.9 2.163
2002 53.1 2.177
2003 53.4 2.189
2004 53.7 2.201
2005 54.0 2.213
2006 54.2 2.224
2007 54.5 2.234
2008 54.8 2.244
2009 55.0 2.253
2010 55.3 2.262
2011 55.6 2.270
2012 55.8 2.277
2013 56.1 2.284
2014 56.3 2.290
2015 56.6 2.296
2016 56.8 2.301
2017 57.1 2.306
2018 57.3 2.310
2019 57.6 2.313
2020 57.8 2.316
2021 58.1 2.318
2022 58.3 2.320
2023 58.6 2.321
2024 58.8 2.322
2025 59.1 2.322
2026 59.3 2.321
2027 59.6 2.320
2028 59.8 2.318
2029 60.1 2.316
2030 60.3 2.313


 
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