21503+7410 UC 4578AC

 
 
21h 50m 19.43s +74 09' 36.3" P.A. 120 sep 51.1 mag 15.05,16.60
 
 
Coord 2000
21503+7410
Discov num
UC 4578
Comp
AC
Coord arcsec 2000
21 50 19.43 +74 09 36.3
Date first
1953
Date last
2013
Obs
6
Pa first
120
Pa last
120
P.A. Now (θ)
120°
Sep first
50.9
Sep last
51.1
Sep. Now (ρ)
51.1"
Mag pri
15.05
Mag sec
16.60
delta mag (ΔM)
1.55
Spectral class
Pri motion ra
-010
Sec motion ra
-005
Pri motion dec
+097
Sec motion dec
+095
Notes
rPM=0.055 (< 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
119.5
Precise sep
51.13
Cdsa2 id
UC 4578 AC
Constellation
Cepheus
Ra deg
21.838730555555554
De deg
74.16008333333333
last precise pa
119.5
last precise sep
51.13
 
 
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 AC 2000 2 120 51.2 14.80 16.40 V 215019.43+740936.3
21503+7410 UC 4578 AC 2003 2 120 51.1 14.80 16.40 V 215019.43+740936.3
21503+7410 UC 4578 AC 2013 6 120 51.1 15.05 16.60 V 215019.43+740936.3

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