20287+2325 BKO 449AC

 
 
20h 28m 39.67s +23 25' 19.0" P.A. 311 sep 7.6 mag 13.60,14.00
 
 
Coord 2000
20287+2325
Discov num
BKO 449
Comp
AC
Coord arcsec 2000
20 28 39.67 +23 25 19.0
Date first
1998
Date last
2015
Obs
8
Pa first
310
Pa last
311
P.A. Now (θ)
311°
Sep first
7.7
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
13.60
Mag sec
14.00
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-003
Sec motion ra
-020
Pri motion dec
-008
Sec motion dec
-063
Notes
rPM=0.871
This double is not physical.
 
 
20287+2325 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20287+2325 POU4516 AB 1899 2015 9 227 17.1 13.60 13.60 0.00
Show 20287+2325 BKO 449 AC 1998 2015 8 311 7.6 13.60 14.00 0.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.7
Precise sep
7.622
Constellation
Vulpecula
Gaia DR2
05906674560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20287+2325 BKO 449 AC 2008 1 310 7.9 13.60 14.00 202839.67+232519.0
20287+2325 BKO 449 AC 2015 4 310 7.6 13.60 14.00 202839.67+232519.0

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