19397+2450 BKO 428BD

 
 
19h 39m 41.58s +24 49' 18.3" P.A. 164 sep 3.7 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
2015
Obs
3
Pa first
164
Pa last
164
P.A. Now (θ)
164°
Sep first
3.7
Sep last
3.7
Sep. Now (ρ)
3.7"
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 2015 5 230 11.1 12.70 12.90 0.20
Show 19397+2450 BKO 428 AC 1997 2015 4 267 4.2 12.70 14.00 1.30
Show 19397+2450 BKO 428 BD 1997 2015 3 164 3.7 12.90 14.50 1.60 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.4
Precise sep
3.678
Constellation
Vulpecula
Gaia DR2
2021198110471862016
 
 
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
19397+2450 BKO 428 BD 2015 3 164 3.7 12.90 14.50 193941.58+244918.3

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