19397+2450 BKO 428AC

 
 
19h 39m 42.20s +24 49' 25.4" P.A. 267 sep 4.2 mag 12.70,14.00
 
 
Coord 2000
19397+2450
Discov num
BKO 428
Comp
AC
Coord arcsec 2000
19 39 42.20 +24 49 25.4
Date first
1997
Date last
2015
Obs
4
Pa first
267
Pa last
267
P.A. Now (θ)
267°
Sep first
4.2
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.70
Mag sec
14.00
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+002
Sec motion ra
-007
Pri motion dec
-001
Sec motion dec
+056
Notes
rPM=1.023
This double is not physical.
 
 
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
266.6
Precise sep
4.211
Constellation
Vulpecula
Gaia DR2
87940613376
 
 
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 AC 2008 1 268 4.0 12.70 14.00 193942.20+244925.4
19397+2450 BKO 428 AC 2015 4 267 4.2 12.70 14.00 193942.20+244925.4

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