00504+5038 BU  232AB

 
 
00H 50M 25.10S +50 37' 49.6" P.A. 255.5 SEP 0.86 MAG 8.46,8.79 SP F5 DIST. 101.11 PC (329.82 L.Y.)
 
 
Coord 2000
00504+5038
Discov num
BU  232
Comp
AB
Coord arcsec 2000
00 50 25.10 +50 37 49.6
Date first
1876
Date last
2016
Obs
117
Pa first
288
Pa last
255
P.A. Now (θ)
255.5°
Sep first
0.5
Sep last
0.9
Sep. Now (ρ)
0.86"
Mag pri
8.46
Mag sec
8.79
delta mag (ΔM)
0.33
Spectral class
F5 (yellow-white)
Pri motion ra
-036
Sec motion ra
-036
Pri motion dec
-007
Sec motion dec
-007
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00504+5038 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21759 00504+5038 BU 232 AB 1876 2016 117 256 0.9 8.46 8.79 0.33 Y <===
Show 21759 00504+5038 BU 232 AB,C 1875 2015 32 300 24.4 8.46 10.06 1.60
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
21759
HIP
3926
Tycho2
3274-01051-1
HD
4777
ADS
684
BD
BD+49 215
Distance
101.11
Distance ly
329.82
last precise pa
255.2
last precise sep
0.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)201y± 9 Periastron (T)1914.52y± 0.29 Semi-major axis (a)0.531a± 0.033
Eccentricity (e)0.621± 0.014 Inclination (i)31.9°± 2.6 Longitude of periastron (ω)11.4°± 5.4
Node (Ω)64.9°± 5.7 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.846 247.7
2001 0.848 248.2
2002 0.850 248.6
2003 0.851 249.1
2004 0.852 249.6
2005 0.853 250.0
2006 0.854 250.5
2007 0.855 250.9
2008 0.856 251.4
2009 0.856 251.9
2010 0.856 252.3
2011 0.857 252.8
2012 0.857 253.2
2013 0.857 253.7
2014 0.856 254.1
2015 0.856 254.6
2016 0.856 255.1
2017 0.855 255.5
2018 0.854 256.0
2019 0.853 256.4
2020 0.852 256.9
2021 0.851 257.4
2022 0.850 257.8
2023 0.848 258.3
2024 0.846 258.8
2025 0.845 259.2
2026 0.843 259.7
2027 0.841 260.2
2028 0.838 260.7
2029 0.836 261.1
2030 0.834 261.6

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