20027+3355 BKO 522AB

 
 
20h 02m 40.29s +33 55' 06.0" P.A. 340 sep 6.8 mag 12.50,13.50
 
 
Coord 2000
20027+3355
Discov num
BKO 522
Comp
AB
Coord arcsec 2000
20 02 40.29 +33 55 06.0
Date first
1998
Date last
2015
Obs
4
Pa first
342
Pa last
340
P.A. Now (θ)
340°
Sep first
7.2
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
12.50
Mag sec
13.50
delta mag (ΔM)
1
Spectral class
Pri motion ra
-004
Sec motion ra
-010
Pri motion dec
-010
Sec motion dec
-032
Notes
N (See Notes)
rPM=0.68
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 2015 4 340 6.8 12.50 13.50 1.00 <===
Show 20027+3355 BKO 522 AD 1998 2015 4 199 10.6 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 2015 4 154 4.4 13.50 14.00 0.50
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340
Precise sep
6.762
Constellation
Cygnus
Gaia DR2
31562245632
 
 
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 AB 2008 1 339 7.0 12.50 13.50 N 200240.29+335506.0
20027+3355 BKO 522 AB 2015 4 340 6.8 12.50 13.50 N 200240.29+335506.0

If you need more information about this double, apply for a data request form to the WDS.