19397+2450 BKO 428BD

 
 
19H 39M 41.58S +24 49' 18.3" P.A. 165 SEP 3.8 MAG 12.90,14.50
 
 
Coord 2000
19397+2450
Discov num
BKO 428
Comp
BD
Coord arcsec 2000
19 39 41.58 +24 49 18.3
Date first
1997
Date last
2008
Obs
2
Pa first
164
Pa last
165
P.A. Now (θ)
165°
Sep first
3.7
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
12.90
Mag sec
14.50
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-008
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19397+2450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19397+2450 POU3992 AB 1905 2008 4 230 11.1 12.70 12.90 0.20
Show 19397+2450 BKO 428 AC 1997 2008 3 268 4.0 12.70 14.00 1.30
Show 19397+2450 BKO 428 BD 1997 2008 2 165 3.8 12.90 14.50 1.60 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vulpecula
last precise pa
165.4
last precise sep
3.77