13064+7618 HJ 2644

 
 
13h 06m 26.99s +76 17' 41.2" P.A. 251 sep 36.5 mag 9.24,9.68 Sp F2
 
 
Coord 2000
13064+7618
Discov num
HJ 2644
Comp
Coord arcsec 2000
13 06 26.99 +76 17 41.2
Date first
1831
Date last
2011
Obs
19
Pa first
256
Pa last
251
P.A. Now (θ)
251°
Sep first
30.0
Sep last
36.5
Sep. Now (ρ)
36.5"
Mag pri
9.24
Mag sec
9.68
delta mag (ΔM)
0.44
Spectral class
F2 (yellow-white)
Pri motion ra
-057
Sec motion ra
-033
Pri motion dec
+015
Sec motion dec
+010
Notes
N L W (See Notes, Linear solution, )
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Minor
SAO
7748
Tycho2
4551-01284-1
last precise pa
250.8
last precise sep
36.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13064+7618 HJ 2644 2007 15 251 36.4 9.24 9.68 F2 NLD 130626.99+761741.2
13064+7618 HJ 2644 2008 16 251 36.6 9.24 9.68 F2 NLD 130626.99+761741.2
13064+7618 HJ 2644 2011 17 251 36.5 9.24 9.68 F2 NLD 130626.99+761741.2

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