12052+2928 SDK   9

 
 
12h 05m 11.25s +29 27' 43.0" P.A. 130 sep 4.2 mag 14.82,15.10 Sp M
 
 
Coord 2000
12052+2928
Discov num
SDK   9
Comp
Coord arcsec 2000
12 05 11.25 +29 27 43.0
Date first
1976
Date last
2001
Obs
3
Pa first
131
Pa last
130
P.A. Now (θ)
130°
Sep first
4.0
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
14.82
Mag sec
15.10
delta mag (ΔM)
0.28
Spectral class
M (red)
Pri motion ra
+033
Sec motion ra
Pri motion dec
-039
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.9
Precise sep
4.16
Constellation
Ursa Major
last precise pa
129.9
last precise sep
4.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12052+2928 SDK 9 1998 2 129 4.0 14.70   M D 120511.25+292743.0
12052+2928 SDK 9 2001 3 130 4.2 14.82 15.10 M D 120511.25+292743.0

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