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

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 12021+4303 HDS1690DA,DB : NOTES
 
 
discov_num notes refcode
FOR 1 67 UMa. A is a Delta Scuti-type variable, DP UMa.
Position of B (+43@2182): 12 02.5 +43 05.
 
 
REFERENCES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HDS Hipparcos Double Star (from additional DD list)

 
 
WDS 12021+4303 HDS1690DA,DB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12021+4303 HDS1690DA,DB : MEASURES
 
 
No records found.

 
 
WDS 12021+4303 HDS1690Da,Db : Virtual Eyepiece
 
 

12021+4303  FOR   1 A 12021+4303  FOR   1AB sep 273.6 P.A. 62 mag 5.24,6.72 Sp A7m 12021+4303  ARN   5AC sep 375.3 P.A. 25 mag 5.24,8.47 Sp F0Vam 12021+4303  FOR   1AD sep 364.4 P.A. 268 mag 5.24,8.91 Sp F0Vam 12021+4303  FOR   1BC sep 221.8 P.A. 336 mag 6.72,8.47 Sp G8Vwk 12021+4303  HDS1690Da,Db sep 0.6 P.A. 86 mag 9.01,12.32 Sp F6II 12021+4303  HDS1690Da,Db sep 0.6 P.A. 86 mag 9.01,12.32 Sp F6II virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 12021+4303 HDS1690Da,Db : Aladin DSS image @ 12h 01m 33.09s +43 02' 30.1"