13239+5456 SHY 248 CG (Alcor)
13h 25m 13.53s +54° 59' 16.6" P.A. 271.00 sep 999.9 mag 4.01,8.21 Sp A5V+K2V dist. 25.06 pc (81.75 l.y.)
Coord 2000 |
13239+5456 |
|
Discov num |
SHY 248 |
|
Comp |
CG |
|
Coord arcsec 2000 |
13 25 13.53 +54 59 16.6 |
|
Date first |
1991 |
|
Date last |
1999 |
|
Obs |
3 |
|
Pa first |
271 |
|
Pa last |
271 |
|
P.A. Now (θ) |
271° |
|
Sep first |
999.9 |
|
Sep last |
9999.999 |
|
Sep. Now (ρ) |
9999.999" |
|
Mag pri |
4.01 |
|
Mag sec |
8.21 |
|
delta mag (ΔM) |
4.2 |
|
Spectral class |
A5V+K2V (white/yellow-orange) |
|
Pri motion ra |
+119 |
|
Sec motion ra |
+108 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-001 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.168 (< 0.3, Physical double)
This double is physical.
13239+5456 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
28737 |
13 23 55 +54 55 32 |
PEA 1 Aa,Ab |
2004 |
63 |
34 |
0.0 |
3.00 |
3.00 |
0.00 |
Y |
|
Show |
Mizar |
28737 |
13 23 55 +54 55 32 |
STF 1744 AB |
2020 |
500 |
154 |
14.7 |
2.23 |
3.88 |
1.65 |
|
|
Show |
|
28737 |
13 23 55 +54 55 32 |
STF 1744 AC |
2020 |
15 |
73 |
715.5 |
2.23 |
4.01 |
1.78 |
|
|
Show |
|
28737 |
13 23 55 +54 55 32 |
SMR 4 AD |
2020 |
11 |
103 |
498.1 |
2.23 |
7.62 |
5.39 |
|
|
Show |
|
28737 |
13 23 55 +54 55 32 |
SHY 247 AE |
1999 |
3 |
321 |
999.9 |
2.23 |
6.88 |
4.65 |
|
|
Show |
|
28737 |
13 23 55 +54 55 32 |
SHY 247 AF |
1999 |
3 |
359 |
999.9 |
2.23 |
9.86 |
7.63 |
|
|
Show |
Alcor |
28751 |
13 25 14 +54 59 17 |
PSF 1 Ca,Cb |
2009 |
5 |
207 |
1.0 |
4.01 |
8.00 |
3.99 |
|
|
Show |
Alcor |
28751 |
13 25 14 +54 59 17 |
SHY 248 CE |
1999 |
3 |
317 |
999.9 |
4.01 |
6.88 |
2.87 |
|
|
Show |
Alcor |
28751 |
13 25 14 +54 59 17 |
SHY 248 CF |
1999 |
3 |
355 |
999.9 |
4.01 |
9.86 |
5.85 |
|
|
Show |
Alcor |
28751 |
13 25 14 +54 59 17 |
SHY 248 CG |
1999 |
3 |
271 |
999.9 |
4.01 |
8.21 |
4.20 |
|
<=== |
Show |
Alcor |
28751 |
13 25 14 +54 59 17 |
SHY 248 CH |
1999 |
3 |
243 |
999.9 |
4.01 |
8.63 |
4.62 |
|
|
Decuple system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Alcor |
|
Other name |
g UMa |
|
Var name |
NSV6238 UMa |
|
Constellation |
Ursa Major |
|
SAO |
28751 |
|
HIP |
65477 |
|
Tycho2 |
3850-01384-1 |
|
Gaia DR2 |
1565090003969283968 |
|
HD |
116842 |
|
HR |
5062 |
|
GC |
18155 |
|
GL |
NN 3785 |
|
BD |
BD+55 1603 |
|
Flamsteed |
80 Ursae Majoris |
|
Flamsteed name |
80 UMa |
|
Distance |
25.06 |
|
Distance ly |
81.75 |
|