03264+3520 HDS 430

 
 
03H 26M 21.05S +35 20' 26.1" P.A. 334 SEP 0.19 MAG 8.80,10.58 SP F9V DIST. 67.75 PC (221 L.Y.)
 
 
Coord 2000
03264+3520
Discov num
HDS 430
Comp
Coord arcsec 2000
03 26 21.05 +35 20 26.1
Date first
1991
Date last
2010
Obs
11
Pa first
172
Pa last
278
P.A. Now (θ)
334°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.19"
Mag pri
8.80
Mag sec
10.58
delta mag (ΔM)
1.78
Spectral class
F9V (yellow-white)
Pri motion ra
-033
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
56448
HIP
16025
Tycho2
2349-00449-1
HD
21183
BD
BD+34 645
Distance
67.75
Distance ly
221
last precise pa
278.2
last precise sep
0.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.695y± 0.881 Periastron (T)2021.606y± 0.576 Semi-major axis (a)0.2732a± 0.0033
Eccentricity (e)0.091± 0.007 Inclination (i)41.2°± 0.7 Longitude of periastron (ω)313.4°± 3.3
Node (Ω)54.4°± 1.1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.290 223.3
2001 0.290 227.6
2002 0.290 232.0
2003 0.288 236.4
2004 0.284 240.9
2005 0.279 245.5
2006 0.273 250.4
2007 0.265 255.4
2008 0.256 260.8
2009 0.247 266.7
2010 0.237 273.0
2011 0.226 279.8
2012 0.216 287.4
2013 0.207 295.6
2014 0.200 304.5
2015 0.194 314.0
2016 0.191 323.9
2017 0.191 334.0
2018 0.194 344.0
2019 0.198 353.6
2020 0.205 2.7
2021 0.213 11.1
2022 0.221 18.9
2023 0.230 26.1
2024 0.238 32.9
2025 0.244 39.2
2026 0.250 45.2
2027 0.253 51.1
2028 0.256 56.7
2029 0.256 62.3
2030 0.255 68.0

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