01083+5455 WCK 1 Aa,Ab

 
 
01h 08m 16.36s +54 55' 12.7" P.A. 18.00 sep 0.4 mag 5.30,10.70 Sp G5V+dM 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 2016 Obs 53
Pa first 24 Pa last 18.4 P.A. Now (θ) 94.1°
Sep first 0.4 Sep last 0.447 Sep. Now (ρ) 0.498"
Mag pri 5.30 Mag sec 10.70 delta mag (ΔM) 5.4 Spectral class G5V+dM (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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 22024 01 08 16 +54 55 13 WCK 1 Aa,Ab 2016 53 18 0.4 5.30 10.70 5.40 Y <===
Show Marfak 22024 01 08 16 +54 55 13 STT 551 AB 2016 15 273 490.8 5.23 11.31 6.08
Show 22024 01 08 16 +54 55 13 BUP 14 AC 1999 4 263 198.1 5.23 12.02 6.79
Show 22024 01 08 16 +54 55 13 BUP 14 AE 1999 3 286 273.1 5.23 12.30 7.07
Show 22024 01 08 16 +54 55 13 STT 551 AF 1999 4 298 589.0 5.23 13.00 7.77
Show 01 07 53 +54 54 50 BUP 14 CD 2015 4 115 4.3 12.02 12.80 0.78
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV405 Cas Constellation Cassiopeia SAO 22024 HIP 5336
Tycho2 3673-01929-1 HD 6582 HR 321 GC 1360
GL Gl 53A BD BD+54 223 Bayer Mu Cassiopeiae Bayer name Mu Cas
Flamsteed 30 Cassiopeiae Flamsteed name 30 Cas FK5 1030 Distance 7.55
Distance ly 24.63 Bayer greek μ Cas
 
 
ORBITAL ELEMENTS
 
 
Period (P)21.568y± 0.015 Periastron (T)1997.2235y± 0.0067 Semi-major axis (a)0.9985a± 0.0013
Eccentricity (e)0.5885± 0.0011 Inclination (i)110.671°± 0.064 Longitude of periastron (ω)330.37°± 0.18
Node (Ω)223.868°± 0.064 Notesn ReferenceBdH2020
Equinox Last observation2016 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 141.1 0.317
2001 103.8 0.426
2002 85.1 0.601
2003 75.1 0.783
2004 68.7 0.952
2005 64.2 1.101
2006 60.7 1.227
2007 57.8 1.329
2008 55.2 1.406
2009 52.9 1.455
2010 50.7 1.475
2011 48.5 1.463
2012 46.2 1.417
2013 43.7 1.331
2014 40.8 1.201
2015 36.9 1.017
2016 30.9 0.769
2017 17.4 0.448
2018 301.0 0.177
2019 228.6 0.408
2020 203.6 0.421
2021 168.2 0.324
2022 122.2 0.349
2023 94.1 0.498
2024 80.1 0.681
2025 72.0 0.858
2026 66.6 1.019
2027 62.6 1.158
2028 59.4 1.274
2029 56.6 1.366
2030 54.2 1.430


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds01083%2B5455d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic