20027+3349 BKO 523AD

 
 
20h 02m 44.05s +33 48' 26.9" P.A. 341 sep 5 mag 10.50,13.00
 
 
Coord 2000
20027+3349
Discov num
BKO 523
Comp
AD
Coord arcsec 2000
20 02 44.05 +33 48 26.9
Date first
1998
Date last
2015
Obs
7
Pa first
342
Pa last
341
P.A. Now (θ)
341°
Sep first
4.9
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
10.50
Mag sec
13.00
delta mag (ΔM)
2.5
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20027+3349 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20027+3349 SEI 815 AB 1894 2015 10 358 19.4 10.91 12.60 1.69
Show 20027+3349 SEI 816 AC 1894 2015 10 113 20.6 10.50 11.00 0.50
Show 20027+3349 BKO 523 AD 1998 2015 7 341 5.0 10.50 13.00 2.50 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.6
Precise sep
5.024
Constellation
Cygnus
Tycho2
2678-01576-1
Gaia DR2
11751580544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20027+3349 BKO 523 AD 2008 1 348 5.0 10.50 13.00 N 200244.06+334827.0
20027+3349 BKO 523 AD 2015 4 341 5.0 10.50 13.00 N 200244.05+334826.9

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