20027+3355 BKO 522DE

 
 
20h 02m 40.01s +33 54' 55.9" P.A. 156 sep 4.2 mag 13.50,14.00
 
 
Coord 2000
20027+3355
Discov num
BKO 522
Comp
DE
Coord arcsec 2000
20 02 40.01 +33 54 55.9
Date first
1998
Date last
2008
Obs
3
Pa first
155
Pa last
156
P.A. Now (θ)
156°
Sep first
4.3
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
13.50
Mag sec
14.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-010
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20027+3355 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20027+3355 BKO 522 AB 1998 2008 3 339 7.0 12.50 13.50 1.00
Show 20027+3355 BKO 522 AD 1998 2008 3 199 10.8 12.50 13.50 1.00
Show 20027+3355 BKO 522 BC 2008 2008 1 15 1.9 13.50 13.50 0.00
Show 20027+3355 BKO 522 DE 1998 2008 3 156 4.2 13.50 14.00 0.50 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.7
Precise sep
4.22
Cdsa2 id
BKO 522 DE
Constellation
Cygnus
Ra deg
20.044447222222225
De deg
33.915527777777775
last precise pa
155.7
last precise sep
4.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20027+3355 BKO 522 DE 2008 1 156 4.2 13.50 14.00 N 200240.01+335455.9

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