11166+4215 HJ 2564

 
 
11h 16m 38.95s +42 14' 35.8" P.A. 135 sep 32 mag 9.48,11.37 Sp K2
 
 
Coord 2000
11166+4215
Discov num
HJ 2564
Comp
Coord arcsec 2000
11 16 38.95 +42 14 35.8
Date first
1830
Date last
2010
Obs
12
Pa first
129
Pa last
135
P.A. Now (θ)
135°
Sep first
20.0
Sep last
32.0
Sep. Now (ρ)
32"
Mag pri
9.48
Mag sec
11.37
delta mag (ΔM)
1.89
Spectral class
K2 (yellow-orange)
Pri motion ra
+014
Sec motion ra
-010
Pri motion dec
-003
Sec motion dec
-025
Notes
L (Linear solution)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
43674
Tycho2
3012-01203-1
last precise pa
134.5
last precise sep
32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11166+4215 HJ 2564 2007 9 134 32.0 9.48 11.52 K2 LD 111638.95+421435.8
11166+4215 HJ 2564 2008 10 134 32.1 9.48 11.52 K2 LD 111638.95+421435.8
11166+4215 HJ 2564 2010 12 134 32.0 9.48 11.37 K2 L 111638.95+421435.8

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