12548+4049 JNN  81

 
 
12h 54m 50.54s +40 48' 47.5" P.A. 33 sep 0.6 mag 15.70,17.50 Sp M1.5+M4
 
 
Coord 2000
12548+4049
Discov num
JNN  81
Comp
Coord arcsec 2000
12 54 50.54 +40 48 47.5
Date first
2008
Date last
2009
Obs
4
Pa first
35
Pa last
33
P.A. Now (θ)
33°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
15.70
Mag sec
17.50
delta mag (ΔM)
1.8
Spectral class
M1.5+M4 (red/red)
Pri motion ra
-024
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.7
Precise sep
0.609
Constellation
Canes Venatici
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12548+4049 JNN 81 2009 4 33 0.6 15.70 17.50 M1.5 M4 125450.54+404847.5

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