20152+5409 HO  455BC

 
 
20H 15M 17.54S +54 08' 55.6" P.A. 181 SEP 3.6 MAG 12.00,12.50
 
 
Coord 2000
20152+5409
Discov num
HO  455
Comp
BC
Coord arcsec 2000
20 15 17.54 +54 08 55.6
Date first
1889
Date last
2009
Obs
6
Pa first
190
Pa last
181
P.A. Now (θ)
181°
Sep first
2.7
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
12.00
Mag sec
12.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-070
Sec motion ra
Pri motion dec
-087
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20152+5409 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32392 20152+5409 HO 455 AB 1889 2009 7 82 35.8 7.46 12.00 4.54
Show 32392 20152+5409 HO 455 AD 1889 2009 12 263 31.0 7.46 11.07 3.61
Show 32392 20152+5409 HO 455 AE 1889 2011 14 72 39.4 7.46 10.44 2.98
Show 20152+5409 HO 455 BC 1889 2009 6 181 3.6 12.00 12.50 0.50 <===
Show 20152+5409 HO 455 BE 1904 2009 8 26 5.3 12.00 10.44 1.56
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
181
last precise sep
3.58