11091+4231 HJ 2559AB

 
 
11h 09m 07.15s +42 30' 10.5" P.A. 267 sep 14.8 mag 13.30,13.80
 
 
Coord 2000
11091+4231
Discov num
HJ 2559
Comp
AB
Coord arcsec 2000
11 09 07.15 +42 30 10.5
Date first
1830
Date last
2002
Obs
5
Pa first
269
Pa last
267
P.A. Now (θ)
267°
Sep first
5.0
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
13.30
Mag sec
13.80
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-019
Sec motion ra
-016
Pri motion dec
+010
Sec motion dec
+006
Notes
rPM=0.233 (< 0.3, Physical double)
This double is physical.
 
 
11091+4231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 11091+4231 HJ 2559 AB 1830 2002 5 267 14.8 13.30 13.80 0.50 <===
Show 11091+4231 WNO 31 AC 1955 2002 3 5 29.6 13.30 16.10 2.80
Show 11091+4231 WNO 31 AD 1955 2002 3 239 45.3 13.30 16.30 3.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.2
Precise sep
14.845
Constellation
Ursa Major
last precise pa
267.2
last precise sep
14.845
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11091+4231 HJ 2559 AB 1999 4 267 14.9 13.30 13.80 D 110907.15+423010.5
11091+4231 HJ 2559 AB 2002 5 267 14.8 13.30 13.80 D 110907.15+423010.5
11091+4231 HJ 2559 AB 2010 6 267 14.8 13.30 13.80 110907.15+423010.5

If you need more information about this double, apply for a data request form to the WDS.