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
last precise pa
32.7
last precise sep
0.609
 
 
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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