12307+5352 ES  726AC

 
 
12h 30m 49.06s +53 51' 29.7" P.A. 179 sep 20.4 mag 10.48,13.60 Sp G9V
 
 
Coord 2000
12307+5352
Discov num
ES  726
Comp
AC
Coord arcsec 2000
12 30 49.06 +53 51 29.7
Date first
1909
Date last
2014
Obs
8
Pa first
171
Pa last
179
P.A. Now (θ)
179°
Sep first
21.7
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
10.48
Mag sec
13.60
delta mag (ΔM)
3.12
Spectral class
G9V (yellow)
Pri motion ra
-006
Sec motion ra
-008
Pri motion dec
-004
Sec motion dec
-010
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.494
This double is not physical.
 
 
12307+5352 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12307+5352 ES 726 AB 1917 2011 6 159 9.4 10.48 12.40 1.92
Show 12307+5352 ES 726 AC 1909 2014 8 179 20.4 10.48 13.60 3.12 <===
Show 12307+5352 ABH 78 AD 1988 2003 3 115 28.3 10.43 14.28 3.85
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.3
Precise sep
20.44
Constellation
Ursa Major
Tycho2
3841-00073-1
last precise pa
179.3
last precise sep
20.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12307+5352 ES 726 AC 1999 3 176 20.6 10.48 13.60 D 123049.06+535129.7
12307+5352 ES 726 AC 2003 4 177 20.6 10.48 13.60 NUD 123049.06+535129.7
12307+5352 ES 726 AC 2011 5 176 20.6 10.48 13.60 G9V NU 123049.06+535129.7
12307+5352 ES 726 AC 2012 6 177 20.3 10.48 13.60 G9V NU 123049.06+535129.7
12307+5352 ES 726 AC 2014 8 179 20.4 10.48 13.60 G9V NU 123049.06+535129.7

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