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
Cdsa2 id
HDS 1690 Da,Db
Constellation
Ursa Major
SAO
44000
HIP
58648
Tycho2
3019-00818-1
HD
104425
BD
BD+43 2177
Ra deg
12.025858333333334
De deg
43.041694444444445
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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