00568+6022 BU 1099AB

 
 
00H 56M 46.94S +60 21' 46.3" P.A. 25.6 SEP 0.2 MAG 6.11,6.53 SP B9IVN DIST. 165.02 PC (538.3 L.Y.)
 
 
Coord 2000
00568+6022
Discov num
BU 1099
Comp
AB
Coord arcsec 2000
00 56 46.94 +60 21 46.3
Date first
1889
Date last
2010
Obs
139
Pa first
270
Pa last
9
P.A. Now (θ)
25.6°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
6.11
Mag sec
6.53
delta mag (ΔM)
0.42
Spectral class
B9IVn (blue-white)
Pri motion ra
+023
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00568+6022 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 11484 00568+6022 BAG 10 Aa,Ab 1994 2000 8 330 0.0 5.56 6.27 0.71 Y
Show 11484 00568+6022 BU 1099 AB 1889 2010 139 26 0.2 6.11 6.53 0.42 Y <===
Show 11484 00568+6022 BU 1353 AB,C 1910 2003 5 157 41.3 4.99 13.50 8.51
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
11484
HIP
4440
HD
5408
HR
266
ADS
784
BD
BD+59 146
Distance
165.02
Distance ly
538.3
last precise pa
8.9
last precise sep
0.248
 
 
ORBITAL ELEMENTS
 
 
Period (P)83.1y± 0.2 Periastron (T)1952.31y± 0.09 Semi-major axis (a)0.245a± 0.002
Eccentricity (e)0.241± 0.002 Inclination (i)54.9°± 1.1 Longitude of periastron (ω)333.19°± 0.33
Node (Ω)175.01°± 0.33 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 0.297 349.3
2001 0.297 350.9
2002 0.296 352.6
2003 0.295 354.2
2004 0.293 355.9
2005 0.290 357.6
2006 0.286 359.4
2007 0.282 1.2
2008 0.277 3.0
2009 0.271 5.0
2010 0.265 7.0
2011 0.258 9.1
2012 0.250 11.3
2013 0.241 13.8
2014 0.232 16.3
2015 0.222 19.2
2016 0.212 22.2
2017 0.201 25.6
2018 0.190 29.4
2019 0.179 33.7
2020 0.168 38.5
2021 0.157 44.0
2022 0.147 50.3
2023 0.137 57.5
2024 0.130 65.7
2025 0.124 74.8
2026 0.120 84.6
2027 0.119 94.8
2028 0.120 105.1
2029 0.124 114.8
2030 0.130 123.8

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