01083+5455 STT 551 AB (Marfak)
01h 08m 16.36s +54° 55' 12.7" P.A. 273.00 sep 490.8 mag 5.23,11.31 Sp G5Vb dist. 7.55 pc (24.63 l.y.)
| Coord 2000 |
01083+5455 |
|
Discov num |
STT 551 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 08 16.36 +54 55 12.7 |
|
| Date first |
1832 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
157 |
|
Pa last |
273.4 |
|
P.A. Now (θ) |
273.4° |
|
| Sep first |
276.0 |
|
Sep last |
490.83 |
|
Sep. Now (ρ) |
490.83" |
|
| Mag pri |
5.23 |
|
Mag sec |
11.31 |
|
delta mag (ΔM) |
6.08 |
|
Spectral class |
G5Vb (yellow) |
|
| Pri motion ra |
+342 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-160 |
|
Sec motion dec |
+007 |
|
| Notes |
N
L
P
(See Notes, Linear solution, 100-year proper motion) |
|
rPM=1.02
This double is not 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
| Common name |
Marfak |
|
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 |
|
