18528+3125 A   257EF

 
 
18H 52M 43.84S +31 25' 20.7" P.A. 234 SEP 5.9 MAG 13.60,15.40
 
 
Coord 2000
18528+3125
Discov num
A   257
Comp
EF
Coord arcsec 2000
18 52 43.84 +31 25 20.7
Date first
1998
Date last
2010
Obs
4
Pa first
231
Pa last
234
P.A. Now (θ)
234°
Sep first
6.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
13.60
Mag sec
15.40
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18528+3125 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67506 18528+3125 A 257 AB 1901 1929 3 107 1.0 8.46 13.50 5.04
Show 67506 18528+3125 A 257 A,CD 1893 2002 10 324 82.5 8.46 11.22 2.76
Show 18528+3125 A 257 CD 1910 1980 4 260 0.5 11.80 12.10 0.30
Show 18528+3125 A 257 CD,EF 1913 2010 5 225 28.4 11.10 13.40 2.30
Show 18528+3125 A 257 EF 1998 2010 4 234 5.9 13.60 15.40 1.80 <===
Sextuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
Tycho2
2638-00842-1
last precise pa
233.6
last precise sep
5.9