18430+3445 BKO  52BD

 
 
18H 43M 00.10S +34 45' 18.9" P.A. 82 SEP 7.5 MAG 11.00,12.50
 
 
Coord 2000
18430+3445
Discov num
BKO  52
Comp
BD
Coord arcsec 2000
18 43 00.10 +34 45 18.9
Date first
1998
Date last
2014
Obs
4
Pa first
80
Pa last
82
P.A. Now (θ)
82°
Sep first
7.4
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.00
Mag sec
12.50
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-010
Sec motion ra
-013
Pri motion dec
+011
Sec motion dec
+009
Notes
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
18430+3445 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18430+3445 SEI 572 AB 1894 2014 9 53 22.2 11.00 11.00 0.00
Show 18430+3445 BKO 52 AC 1945 2014 6 146 18.7 11.00 12.40 1.40
Show 18430+3445 BKO 52 BD 1998 2014 4 82 7.5 11.00 12.50 1.50 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
last precise pa
81.6
last precise sep
7.49