18528+3125 A 257 CD,EF

 
 
18h 52m 45.39s +31° 25' 40.4" P.A. 225.00 sep 28.0 mag 11.10,13.40
 
 
Coord 2000 18528+3125 Discov num A   257 Comp CD,EF Coord arcsec 2000 18 52 45.39 +31 25 40.4
Date first 1913 Date last 2015 Obs 9
Pa first 226 Pa last 225.1 P.A. Now (θ) 225.1°
Sep first 28.0 Sep last 27.986 Sep. Now (ρ) 27.986"
Mag pri 11.10 Mag sec 13.40 delta mag (ΔM) 2.3 Spectral class
Pri motion ra -001 Sec motion ra +003
Pri motion dec +004 Sec motion dec +001
Notes N (See Notes)
rPM=1.213
This double is not physical.
 
 
18528+3125 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67506 18 52 49 +31 24 34 A 257 AB 2017 9 94 0.9 8.46 13.50 5.04
Show HD 175151 67506 18 52 49 +31 24 34 A 257 A,CD 2015 14 324 82.4 8.46 11.22 2.76
Show 18 52 45 +31 25 40 A 257 CD 2012 6 262 0.7 11.80 12.10 0.30
Show 18 52 45 +31 25 40 A 257 CD,EF 2015 9 225 28.0 11.10 13.40 2.30 <===
Show 18 52 44 +31 25 21 A 257 EF 2015 9 231 6.2 13.60 15.40 1.80
Sextuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2638-00842-1 Gaia DR2 2042186924105176064