21394+7839 UC 4520

 
 
21h 39m 26.20s +78 38' 41.5" P.A. 189 sep 30.6 mag 10.50,12.50
 
 
Coord 2000
21394+7839
Discov num
UC 4520
Comp
Coord arcsec 2000
21 39 26.20 +78 38 41.5
Date first
1999
Date last
2010
Obs
3
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
30.6
Sep last
30.6
Sep. Now (ρ)
30.6"
Mag pri
10.50
Mag sec
12.50
delta mag (ΔM)
2
Spectral class
Pri motion ra
+059
Sec motion ra
+053
Pri motion dec
+026
Sec motion dec
+022
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189
Precise sep
30.57
Cdsa2 id
UC 4520
Constellation
Cepheus
Ra deg
21.657277777777775
De deg
78.64486111111111
last precise pa
189
last precise sep
30.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21394+7839 UC 4520 2000 2 189 30.6 10.50 12.50 V 213926.20+783841.5
21394+7839 UC 4520 2003 2 189 30.6 10.50 12.50 V 213926.20+783841.5
21394+7839 UC 4520 2010 3 189 30.6 10.50 12.50 V R 213926.20+783841.5

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