03309+5558 KR   20

 
 
03h 30m 54.82s +55 57' 20.8" P.A. 298 sep 7.5 mag 9.92,10.32 Sp A2
 
 
Coord 2000
03309+5558
Discov num
KR   20
Comp
Coord arcsec 2000
03 30 54.82 +55 57 20.8
Date first
1890
Date last
2016
Obs
13
Pa first
296
Pa last
298
P.A. Now (θ)
298°
Sep first
7.4
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
9.92
Mag sec
10.32
delta mag (ΔM)
0.4
Spectral class
A2 (white)
Pri motion ra
+009
Sec motion ra
+007
Pri motion dec
-009
Sec motion dec
-010
Notes
rPM=0.176 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.8
Precise sep
7.549
Constellation
Camelopardalis
Tycho2
3707-00049-1
HD
21522
last precise pa
297.8
last precise sep
7.549
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03309+5558 KR 20 2007 11 298 7.4 9.92 10.32 A2 D 033054.82+555720.8
03309+5558 KR 20 2016 13 298 7.5 9.92 10.32 A2 033054.82+555720.8

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