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 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2014 | |
Grade | 4 | (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 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|