11185+3306 STF 1524 AB (Alula Borealis)

 
 
11h 18m 28.74s +33° 05' 39.5" P.A. 147.00 sep 7.0 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 2020 Obs 56
Pa first 145 Pa last 147.1 P.A. Now (θ) 147.1°
Sep first 5.0 Sep last 7.04 Sep. Now (ρ) 7.04"
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 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