01083+5455 WCK   1Aa,Ab

 
 
01H 08M 16.36S +54 55' 12.7" P.A. 28 SEP 0.53 MAG 5.30,10.70 SP G5VP DIST. 7.55 PC (24.63 L.Y.)
 
 
Coord 2000
01083+5455
Discov num
WCK   1
Comp
Aa,Ab
Coord arcsec 2000
01 08 16.36 +54 55 12.7
Date first
1973
Date last
2014
Obs
17
Pa first
24
Pa last
38
P.A. Now (θ)
28°
Sep first
0.4
Sep last
1.1
Sep. Now (ρ)
0.53"
Mag pri
5.30
Mag sec
10.70
delta mag (ΔM)
5.4
Spectral class
G5Vp (yellow)
Pri motion ra
+342
Sec motion ra
Pri motion dec
-160
Sec motion dec
Notes
N O P (See Notes, Orbital solution, 100-year proper motion)
This double is physical.
 
 
01083+5455 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 22024 01083+5455 WCK 1 Aa,Ab 1973 2014 17 28 0.5 5.30 10.70 5.40 Y <===
Show Marfak 22024 01083+5455 STT 551 AB 1832 2016 15 273 490.8 5.23 11.31 6.08
Show 22024 01083+5455 BUP 14 AC 1907 1999 4 263 198.1 5.23 12.02 6.79
Show 22024 01083+5455 BUP 14 AE 1907 1999 3 286 273.1 5.23 12.30 7.07
Show 22024 01083+5455 STT 551 AF 1832 1999 4 298 589.0 5.23 13.00 7.77
Show 01083+5455 BUP 14 CD 1907 2002 3 115 4.3 12.02 12.80 0.78
Septuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
22024
HIP
5336
Tycho2
3673-01929-1
HD
6582
HR
321
GC
1360
GL
Gl 53A
Bayer
Mu Cassiopeiae
Bayer name
Mu Cas
Flamsteed
30 Cassiopeiae
Flamsteed name
30 Cas
Distance
7.55
Distance ly
24.63
last precise pa
38.3
last precise sep
1.071
 
 
ORBITAL ELEMENTS
 
 
Period (P)21.753y± 0.069 Periastron (T)1975.738y± 0.145 Semi-major axis (a)1.009a± 0.016
Eccentricity (e)0.561± 0.017 Inclination (i)106.8°± 0.9 Longitude of periastron (ω)152.7°± 3.1
Node (Ω)47.3°± 1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1994
label rho theta
2000 0.275 167.2
2001 0.315 114.3
2002 0.491 87.6
2003 0.689 75.7
2004 0.876 69.0
2005 1.042 64.6
2006 1.184 61.4
2007 1.301 58.8
2008 1.390 56.5
2009 1.450 54.5
2010 1.480 52.7
2011 1.477 50.8
2012 1.439 48.9
2013 1.361 46.9
2014 1.239 44.5
2015 1.066 41.5
2016 0.832 37.0
2017 0.529 28.0
2018 0.193 346.9
2019 0.334 243.1
2020 0.473 220.7
2021 0.365 198.4
2022 0.264 153.4
2023 0.352 105.3
2024 0.540 83.8
2025 0.737 73.7
2026 0.919 67.8
2027 1.079 63.7
2028 1.215 60.7
2029 1.325 58.2
2030 1.407 56.0

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