18528+3125 A   257CD,EF

 
 
18h 52m 45.39s +31 25' 40.4" P.A. 225 sep 28.4 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
2010
Obs
5
Pa first
226
Pa last
225
P.A. Now (θ)
225°
Sep first
28.0
Sep last
28.4
Sep. Now (ρ)
28.4"
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_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
 
 
Precise pa
225.4
Precise sep
28.38
Constellation
Lyra
Tycho2
2638-00842-1
last precise pa
225.4
last precise sep
28.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18528+3125 A 257 CD,EF 2010 5 225 28.4 11.10 13.40 N 185245.39+312540.4

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