20183+2539 BU  985CD

 
 
20H 18M 16.93S +25 39' 15.2" P.A. 66 SEP 8.7 MAG 10.87,13.60 SP A1V DIST. 729.93 PC (2381.03 L.Y.)
 
 
Coord 2000
20183+2539
Discov num
BU  985
Comp
CD
Coord arcsec 2000
20 18 16.93 +25 39 15.2
Date first
1893
Date last
2013
Obs
9
Pa first
62
Pa last
66
P.A. Now (θ)
66°
Sep first
8.9
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
10.87
Mag sec
13.60
delta mag (ΔM)
2.73
Spectral class
A1V (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20183+2539 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88490 20183+2539 BU 985 AB 1880 2009 8 153 5.9 6.99 12.80 5.81
Show 88490 20183+2539 HJ 1499 AC 1828 2013 18 355 21.2 6.96 10.87 3.91
Show 88490 20183+2539 WAL 131 AE 1898 2013 18 151 121.8 6.96 8.13 1.17
Show 88490 20183+2539 BU 985 CD 1893 2013 9 66 8.7 10.87 13.60 2.73 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vulpecula
SAO
88490
HIP
100088
Tycho2
2159-00108-1
HD
193220
BD
BD+25 4189
Distance
729.93
Distance ly
2381.03
last precise pa
65.9
last precise sep
8.65