12289+2555 BU 1080AD

 
 
12H 28M 54.72S +25 54' 46.4" P.A. 269 SEP 324.2 MAG 5.23,11.63 SP A0P DIST. 72.89 PC (237.77 L.Y.)
 
 
Coord 2000
12289+2555
Discov num
BU 1080
Comp
AD
Coord arcsec 2000
12 28 54.72 +25 54 46.4
Date first
1896
Date last
2001
Obs
6
Pa first
270
Pa last
269
P.A. Now (θ)
269°
Sep first
326.0
Sep last
324.2
Sep. Now (ρ)
324.2"
Mag pri
5.23
Mag sec
11.63
delta mag (ΔM)
6.4
Spectral class
A0p (white)
Pri motion ra
-022
Sec motion ra
-006
Pri motion dec
-016
Sec motion dec
-028
Notes
N (See Notes)
rPM=0.698
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
 
 
Var name
AI Com
Constellation
Coma Berenices
SAO
82330
HIP
60904
Tycho2
1989-03206-1
HD
108662
HR
4752
GC
17012
BD
BD+26 2354
Flamsteed
17 Comae Berenices
Flamsteed name
17 Com
Distance
72.89
Distance ly
237.77
last precise pa
269.4
last precise sep
324.184