11185+3306 BUP 9001 AC
11h 18m 28.74s +33° 05' 39.5" P.A. 147.00 sep 156.8 mag 3.64,14.15 Sp K3IIIBaO dist. 122.4 pc (399.27 l.y.)
| Coord 2000 |
11185+3306 |
|
Discov num |
BUP9001 |
|
Comp |
AC |
|
Coord arcsec 2000 |
11 18 28.74 +33 05 39.5 |
|
| Date first |
1912 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
146 |
|
Pa last |
147.2 |
|
P.A. Now (θ) |
147.2° |
|
| Sep first |
154.6 |
|
Sep last |
156.765 |
|
Sep. Now (ρ) |
156.765" |
|
| Mag pri |
3.64 |
|
Mag sec |
14.15 |
|
delta mag (ΔM) |
10.51 |
|
Spectral class |
K3IIIBaO (yellow-orange) |
|
| Pri motion ra |
-026 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
+027 |
|
Sec motion dec |
+002 |
|
| Notes |
N
(See Notes) |
|
rPM=0.752
Nature of this double is uncertain.
11185+3306 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Alula Borealis |
62486 |
11 18 29 +33 05 40 |
STF 1524 AB |
2020 |
56 |
147 |
7.0 |
3.64 |
10.10 |
6.46 |
|
|
| Show |
|
62486 |
11 18 29 +33 05 40 |
BUP 9001 AC |
2015 |
4 |
147 |
156.8 |
3.64 |
14.15 |
10.51 |
|
<=== |
| Show |
|
62486 |
11 18 29 +33 05 40 |
DAM 652 AD |
2020 |
6 |
269 |
281.1 |
3.64 |
8.88 |
5.24 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Alula Borealis |
|
Constellation |
Ursa Major |
|
SAO |
62486 |
|
HIP |
55219 |
|
| Tycho2 |
2520-02631-1 |
|
Gaia DR2 |
757565233819639168 |
|
HD |
98262 |
|
HR |
4377 |
|
| GC |
15547 |
|
ADS |
8123 |
|
BD |
BD+33 2098 |
|
Bayer |
Nu Ursae Majoris |
|
| Bayer name |
Nu UMa |
|
Flamsteed |
54 Ursae Majoris |
|
Flamsteed name |
54 UMa |
|
FK5 |
425 |
|
| Distance |
122.4 |
|
Distance ly |
399.27 |
|
Bayer greek |
ν UMa |
|
