13072-5420 FIN  54 (V949 Cen)

 
 
13H 07M 12.80S -54 19' 59.5" P.A. 196.8 SEP 0.25 MAG 9.63,10.45 SP G1/2V DIST. 704.23 PC (2297.2 L.Y.)
 
 
Coord 2000
13072-5420
Discov num
FIN  54
Comp
Coord arcsec 2000
13 07 12.80 -54 19 59.5
Date first
1927
Date last
2015
Obs
9
Pa first
285
Pa last
201
P.A. Now (θ)
196.8°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.25"
Mag pri
9.63
Mag sec
10.45
delta mag (ΔM)
0.82
Spectral class
G1/2V (yellow)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V949 Cen
Constellation
Centaurus
SAO
240562
HIP
64025
Tycho2
8649-01562-1
HD
113840
CP
CP-53 5472
Distance
704.23
Distance ly
2297.2
last precise pa
200.6
last precise sep
0.252
 
 
ORBITAL ELEMENTS
 
 
Period (P)373.7y Periastron (T)2189.08y Semi-major axis (a)0.3516a
Eccentricity (e)0.01 Inclination (i)135.3° Longitude of periastron (ω)79.7°
Node (Ω)113.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.258 220.5
2001 0.257 219.2
2002 0.257 217.9
2003 0.256 216.6
2004 0.255 215.4
2005 0.255 214.0
2006 0.254 212.7
2007 0.254 211.4
2008 0.253 210.1
2009 0.253 208.8
2010 0.253 207.5
2011 0.253 206.1
2012 0.252 204.8
2013 0.252 203.5
2014 0.252 202.2
2015 0.252 200.8
2016 0.253 199.5
2017 0.253 198.2
2018 0.253 196.8
2019 0.253 195.5
2020 0.254 194.2
2021 0.254 192.9
2022 0.255 191.6
2023 0.255 190.3
2024 0.256 189.0
2025 0.257 187.7
2026 0.258 186.4
2027 0.258 185.2
2028 0.259 183.9
2029 0.260 182.7
2030 0.261 181.4

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