11185+3306 STF1524AB (Nu UMa)

 
 
11h 18m 28.74s +33 05' 39.5" P.A. 145 sep 7.8 mag 3.64,10.10 Sp K3IIIBaO dist. 122.4 pc (399.27 l.y.)
 
 
Coord 2000
11185+3306
Discov num
STF1524
Comp
AB
Coord arcsec 2000
11 18 28.74 +33 05 39.5
Date first
1827
Date last
2015
Obs
53
Pa first
145
Pa last
145
P.A. Now (θ)
145°
Sep first
5.0
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
3.64
Mag sec
10.10
delta mag (ΔM)
6.46
Spectral class
K3IIIBaO (yellow-orange)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+027
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
11185+3306 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Nu UMa 62486 11185+3306 STF1524 AB 1827 2015 53 145 7.8 3.64 10.10 6.46 <===
Show 62486 11185+3306 BUP9001 AC 1912 2000 3 147 156.1 3.64 14.15 10.51
Show 62486 11185+3306 DAM 652 AD 1860 2015 7 267 286.8 3.64 8.88 5.24
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.9
Precise sep
7.77
Name
Nu UMa
Constellation
Ursa Major
SAO
62486
HIP
55219
Tycho2
2520-02631-1
HD
98262
HR
4377
GC
15547
BD
BD+33 2098
Bayer
Nu Ursae Majoris
Bayer name
Nu UMa
Flamsteed
54 Ursae Majoris
Flamsteed name
54 UMa
Distance
122.4
Distance ly
399.27
last precise pa
144.9
last precise sep
7.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11185+3306 STF1524 AB 2005 52 149 7.4 3.48 10.10 K3IIIBaO N D 111828.76+330539.3
11185+3306 STF1524 AB 2015 53 145 7.8 3.64 10.10 K3IIIBaO N D 111828.74+330539.5

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