12021+4303 HDS1690Da,Db

 
 
12h 01m 33.09s +43 02' 30.1" P.A. 86 sep 0.6 mag 9.01,12.32 Sp F6II dist. 144.09 pc (470.02 l.y.)
 
 
Coord 2000
12021+4303
Discov num
HDS1690
Comp
Da,Db
Coord arcsec 2000
12 01 33.09 +43 02 30.1
Date first
1991
Date last
1991
Obs
1
Pa first
86
Pa last
86
P.A. Now (θ)
86°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.01
Mag sec
12.32
delta mag (ΔM)
3.31
Spectral class
F6II (yellow-white)
Pri motion ra
+066
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
12021+4303 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67 UMa 44002 12021+4303 FOR 1 AB 1909 2012 13 62 273.6 5.24 6.72 1.48
Show 44002 12021+4303 ARN 5 AC 1930 2012 9 25 375.3 5.24 8.47 3.23
Show 44002 12021+4303 FOR 1 AD 1909 2012 12 268 364.4 5.24 8.91 3.67
Show 44005 12021+4303 FOR 1 BC 1909 1999 6 336 221.8 6.72 8.47 1.75
Show 44000 12021+4303 HDS1690 Da,Db 1991 1991 1 86 0.6 9.01 12.32 3.31 <===
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86
Precise sep
0.626
Var name
HX UMa
Constellation
Ursa Major
SAO
44000
HIP
58648
Tycho2
3019-00818-1
HD
104425
BD
BD+43 2177
Distance
144.09
Distance ly
470.02
last precise pa
86
last precise sep
0.626
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12021+4303 HDS1690 Da,Db 1991 1 86 0.6 9.01 12.32 F6II D 120133.09+430230.1

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