12207+1748 HO   52 (11 Com)

 
 
12h 20m 43.02s +17 47' 34.3" P.A. 44 sep 8.8 mag 4.74,12.90 Sp G8III dist. 88.89 pc (289.96 l.y.)
 
 
Coord 2000
12207+1748
Discov num
HO   52
Comp
Coord arcsec 2000
12 20 43.02 +17 47 34.3
Date first
1883
Date last
2007
Obs
13
Pa first
44
Pa last
44
P.A. Now (θ)
44°
Sep first
9.1
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
4.74
Mag sec
12.90
delta mag (ΔM)
8.16
Spectral class
G8III (yellow)
Pri motion ra
-111
Sec motion ra
Pri motion dec
+092
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
43.7
Precise sep
8.8
Name
11 Com
Constellation
Coma Berenices
SAO
100053
HIP
60202
Tycho2
1445-02560-1
HD
107383
HR
4697
GC
16835
BD
BD+18 2592
Flamsteed
11 Comae Berenices
Flamsteed name
11 Com
Distance
88.89
Distance ly
289.96
last precise pa
43.7
last precise sep
8.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12207+1748 HO 52 2007 13 44 8.8 4.74 12.90 G8III N D 122043.09+174733.6

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