12209+4109 CVR 652

 
 
12h 20m 50.63s +41 09' 07.1" P.A. 49 sep 22.8 mag 18.40,20.10 Sp M3+M5
 
 
Coord 2000
12209+4109
Discov num
CVR 652
Comp
Coord arcsec 2000
12 20 50.63 +41 09 07.1
Date first
1998
Date last
2010
Obs
3
Pa first
50
Pa last
49
P.A. Now (θ)
49°
Sep first
22.8
Sep last
22.8
Sep. Now (ρ)
22.8"
Mag pri
18.40
Mag sec
20.10
delta mag (ΔM)
1.7
Spectral class
M3+M5 (red/red)
Pri motion ra
-054
Sec motion ra
-051
Pri motion dec
+013
Sec motion dec
+016
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.076 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.1
Precise sep
22.82
Constellation
Canes Venatici
last precise pa
49.1
last precise sep
22.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12209+4109 CVR 652 2004 1 50 22.6 18.40 20.10 M3+M5 V R 122052.16+410921.8
12209+4109 CVR 652 2010 3 49 22.8 18.40 20.10 M3+M5 V R 122050.63+410907.1

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