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
 
 
Precise pa
165.4
Precise sep
3.77
Cdsa2 id
BKO 428 BD
Constellation
Vulpecula
Ra deg
19.66155
De deg
24.82175
last precise pa
165.4
last precise sep
3.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19397+2450 BKO 428 BD 2008 1 165 3.8 12.90 14.50 193941.58+244918.3

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