13064+2109 COU  11AB (39 Com)

 
 
13h 06m 21.28s +21 09' 12.6" P.A. 314 sep 1.8 mag 6.10,8.75 Sp F4V dist. 49.68 pc (162.06 l.y.)
 
 
Coord 2000
13064+2109
Discov num
COU  11
Comp
AB
Coord arcsec 2000
13 06 21.28 +21 09 12.6
Date first
1959
Date last
2015
Obs
53
Pa first
321
Pa last
314
P.A. Now (θ)
314°
Sep first
1.0
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
6.10
Mag sec
8.75
delta mag (ΔM)
2.65
Spectral class
F4V (yellow-white)
Pri motion ra
-066
Sec motion ra
-066
Pri motion dec
-048
Sec motion dec
-048
Notes
N L (See Notes, Linear solution)
Nature of this double is uncertain.
 
 
13064+2109 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 82650 13064+2109 CHR 150 Aa,Ab 1990 2009 2 286 0.0 5.99
Show 39 Com 82650 13064+2109 COU 11 AB 1959 2015 53 314 1.8 6.10 8.75 2.65 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314
Precise sep
1.77
Name
39 Com
Constellation
Coma Berenices
SAO
82650
HIP
63948
Tycho2
1456-00847-1
HD
113848
HR
4946
GC
17767
BD
BD+21 2487
Flamsteed
39 Comae Berenices
Flamsteed name
39 Com
Distance
49.68
Distance ly
162.06
last precise pa
314
last precise sep
1.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13064+2109 COU 11 AB 2005 35 316 1.7 6.10 8.75 D 130621.28+210912.6
13064+2109 COU 11 AB 2009 37 316 1.7 6.10 8.75 D 130621.28+210912.6
13064+2109 COU 11 AB 2010 40 316 1.7 6.10 8.75 N D 130621.28+210912.6
13064+2109 COU 11 AB 2011 44 316 1.8 6.10 8.75 NLD 130621.28+210912.6
13064+2109 COU 11 AB 2012 45 316 1.8 6.10 8.75 NLD 130621.28+210912.6
13064+2109 COU 11 AB 2014 47 316 1.8 6.10 8.75 F4V NL 130621.28+210912.6
13064+2109 COU 11 AB 2015 48 316 1.8 6.10 8.75 F4V NL 130621.28+210912.6

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