12052+2928 SDK   9

 
 
12h 05m 11.25s +29 27' 43.0" P.A. 129 sep 4 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
2015
Obs
4
Pa first
131
Pa last
129
P.A. Now (θ)
129°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
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
128.9
Precise sep
4.048
Constellation
Ursa Major
Gaia DR2
01309577216
 
 
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
12052+2928 SDK 9 2015 4 129 4.0 14.82 15.10 M 120511.25+292743.0

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