13144+3051 SKF 1854 BC

 
 
13h 14m 21.50s +30° 50' 50.6" P.A. 71.00 sep 2.8 mag 17.90,18.20 Sp DA+DA
 
 
Coord 2000 13144+3051 Discov num SKF1854 Comp BC Coord arcsec 2000 13 14 21.50 +30 50 50.6
Date first 2004 Date last 2015 Obs 4
Pa first 71 Pa last 71.2 P.A. Now (θ) 71.2°
Sep first 2.8 Sep last 2.76 Sep. Now (ρ) 2.76"
Mag pri 17.90 Mag sec 18.20 delta mag (ΔM) 0.3 Spectral class DA+DA (white dwarf/white dwarf)
Pri motion ra -038 Sec motion ra
Pri motion dec +028 Sec motion dec
Notes V (Proper motion indicates physical)
This double is physical.
 
 
13144+3051 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 13 14 23 +30 50 42 SKF 1854 A,BC 2015 4 303 16.0 12.20 17.20 5.00
Show 13 14 22 +30 50 51 SKF 1854 BC 2015 4 71 2.8 17.90 18.20 0.30 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices Gaia DR2 1463032819282938112