21503+7410 UC 4578BC

 
 
21h 50m 17.26s +74 08' 23.2" P.A. 48 sep 71.7 mag 15.36,16.60
 
 
Coord 2000
21503+7410
Discov num
UC 4578
Comp
BC
Coord arcsec 2000
21 50 17.26 +74 08 23.2
Date first
1953
Date last
2013
Obs
6
Pa first
48
Pa last
48
P.A. Now (θ)
48°
Sep first
71.4
Sep last
71.7
Sep. Now (ρ)
71.7"
Mag pri
15.36
Mag sec
16.60
delta mag (ΔM)
1.24
Spectral class
Pri motion ra
-003
Sec motion ra
-005
Pri motion dec
+107
Sec motion dec
+095
Notes
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
21503+7410 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21503+7410 UC 4578 AB 1953 2013 6 187 73.6 15.05 15.36 0.31
Show 21503+7410 UC 4578 AC 1953 2013 6 120 51.1 15.05 16.60 1.55
Show 21503+7410 UC 4578 BC 1953 2013 6 48 71.7 15.36 16.60 1.24 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.1
Precise sep
71.65
Constellation
Cepheus
last precise pa
48.1
last precise sep
71.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21503+7410 UC 4578 BC 2000 2 48 71.6 15.10 16.40 V 215017.26+740823.2
21503+7410 UC 4578 BC 2003 2 48 71.3 15.10 16.40 V 215017.26+740823.2
21503+7410 UC 4578 BC 2013 6 48 71.7 15.36 16.60 V 215017.26+740823.2

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