20289+2436 BKO 578AB

 
 
20h 28m 53.57s +24 35' 43.6" P.A. 355.00 sep 4.2 mag 13.40,14.20
 
 
Coord 2000
20289+2436
Discov num
BKO 578
Comp
AB
Coord arcsec 2000
20 28 53.57 +24 35 43.6
Date first
2001
Date last
2015
Obs
3
Pa first
354
Pa last
355
P.A. Now (θ)
355°
Sep first
4.2
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
13.40
Mag sec
14.20
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-012
Sec motion ra
-037
Pri motion dec
-036
Sec motion dec
+025
Notes
rPM=1.476
This double is not physical.
 
 
20289+2436 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20289+2436 BKO 578 AB 2001 2015 3 355 4.2 13.40 14.20 0.80 <===
Show 20289+2436 BKO 578 BC 2008 2008 1 260 1.3 14.20 14.50 0.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.4
Precise sep
4.188
Constellation
Vulpecula
Tycho2
2160-01221-1
Gaia DR2
91373129856
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20289+2436 BKO 578 AB 2008 1 0 4.1 13.40 14.20 202853.56+243545.3
20289+2436 BKO 578 AB 2015 3 355 4.2 13.40 14.20 202853.57+243543.6

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