12289+2555 BU 1080 BC

 
 
12h 28m 44.56s +25° 53' 57.5" P.A. 180.00 sep 1.4 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 2015 Obs 5
Pa first 157 Pa last 179.5 P.A. Now (θ) 179.5°
Sep first 1.8 Sep last 1.378 Sep. Now (ρ) 1.378"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 Com 82330 12 28 55 +25 54 46 STFA 21 AB 2018 49 251 146.4 5.23 6.64 1.41
Show 82330 12 28 55 +25 54 46 BU 1080 AD 2015 7 270 324.0 5.23 11.63 6.40
Show 82330 12 28 55 +25 54 46 SLE 898 AE 2015 4 270 447.4 5.23 13.60 8.37
Show 82330 12 28 55 +25 54 46 SLE 898 AF 2015 4 145 125.5 5.23 13.92 8.69
Show 82328 12 28 45 +25 53 58 BU 1080 BC 2015 5 180 1.4 6.64 13.70 7.06 <===
Show 82328 12 28 45 +25 53 58 BU 1080 BD 2015 7 284 192.9 6.64 11.63 4.99
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices SAO 82328 HIP 60891 Tycho2 1989-03208-1
Gaia DR2 3960724286666918016 HD 108651 HR 4751 GC 17007
ADS 8568 BD BD+26 2353 Flamsteed 17 Comae Berenices Flamsteed name 17 Com
Distance 68.4 Distance ly 223.12