12289+2555 BU 1080BC

 
 
12H 28M 44.56S +25 53' 57.5" P.A. 175 SEP 1.5 MAG 6.64,13.70 SP AM DIST. 68.4 PC (223.12 L.Y.)
 
 
Coord 2000
12289+2555
Discov num
BU 1080
Comp
BC
Coord arcsec 2000
12 28 44.56 +25 53 57.5
Date first
1889
Date last
2009
Obs
3
Pa first
157
Pa last
175
P.A. Now (θ)
175°
Sep first
1.8
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
6.64
Mag sec
13.70
delta mag (ΔM)
7.06
Spectral class
Am (white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
12289+2555 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17 Com 82330 12289+2555 STFA 21 AB 1836 2012 46 250 144.9 5.23 6.64 1.41
Show 82330 12289+2555 BU 1080 AD 1896 2001 6 269 324.2 5.23 11.63 6.40
Show 82330 12289+2555 SLE 898 AE 1985 2001 3 270 447.5 5.23 13.60 8.37
Show 82330 12289+2555 SLE 898 AF 1985 2001 3 146 125.9 5.23 13.92 8.69
Show 82328 12289+2555 BU 1080 BC 1889 2009 3 175 1.5 6.64 13.70 7.06 <===
Show 82328 12289+2555 BU 1080 BD 1896 2001 6 284 193.0 6.64 11.63 4.99
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.5
Precise sep
1.451
Constellation
Coma Berenices
SAO
82328
HIP
60891
Tycho2
1989-03208-1
HD
108651
HR
4751
GC
17007
BD
BD+26 2353
Flamsteed
17 Comae Berenices
Flamsteed name
17 Com
Distance
68.4
Distance ly
223.12
last precise pa
174.5
last precise sep
1.451