20027+3355 BKO 522DE

 
 
20h 02m 40.01s +33 54' 55.9" P.A. 154 sep 4.4 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
2015
Obs
4
Pa first
155
Pa last
154
P.A. Now (θ)
154°
Sep first
4.3
Sep last
4.4
Sep. Now (ρ)
4.4"
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 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
153.8
Precise sep
4.355
Constellation
Cygnus
Gaia DR2
2058274535896994176
 
 
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
20027+3355 BKO 522 DE 2015 4 154 4.4 13.50 14.00 N 200240.01+335455.9

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