12513+1221 CVR 667

 
 
12h 51m 20.10s +12 20' 18.2" P.A. 8.00 sep 19.8 mag 14.60,17.70 Sp M0+M3
 
 
Coord 2000
12513+1221
Discov num
CVR 667
Comp
Coord arcsec 2000
12 51 20.10 +12 20 18.2
Date first
1950
Date last
2015
Obs
11
Pa first
8
Pa last
8
P.A. Now (θ)
Sep first
19.7
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
14.60
Mag sec
17.70
delta mag (ΔM)
3.1
Spectral class
M0+M3 (red/red)
Pri motion ra
+010
Sec motion ra
+015
Pri motion dec
-042
Sec motion dec
-040
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.125 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
8.3
Precise sep
19.811
Constellation
Virgo
SAO
100301
Gaia DR2
34944644096
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12513+1221 CVR 667 2003 1 8 19.8 14.60 17.70 M0+M3 V R 125120.30+122037.8
12513+1221 CVR 667 2010 3 8 19.7 14.60 17.70 M0+M3 V R 125120.10+122018.2
12513+1221 CVR 667 2015 4 8 19.8 14.60 17.70 M0+M3 V R 125120.10+122018.2

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