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 |
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Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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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 |
|
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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 |
Notes | n | |
Reference | BdH2020 | |
Equinox | | |
Last observation | 2016 | |
Grade | 2 | (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 |
2031 |
52.0 |
1.467 |
2032 |
49.8 |
1.474 |
2033 |
47.6 |
1.447 |
2034 |
45.2 |
1.385 |
2035 |
42.5 |
1.281 |
2036 |
39.3 |
1.128 |
2037 |
34.7 |
0.918 |
2038 |
26.8 |
0.639 |
2039 |
1.9 |
0.296 |
2040 |
252.8 |
0.264 |
2041 |
217.6 |
0.447 |
2042 |
190.7 |
0.375 |
2043 |
147.6 |
0.313 |
2044 |
107.6 |
0.405 |
2045 |
87.0 |
0.576 |
2046 |
76.1 |
0.759 |
2047 |
69.4 |
0.930 |
2048 |
64.7 |
1.082 |
2049 |
61.1 |
1.211 |
2050 |
58.1 |
1.317 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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