20397+1415 UC 4247

 
 
20h 39m 43.64s +14 15' 30.0" P.A. 147 sep 32.8 mag 14.60,15.30
 
 
Coord 2000
20397+1415
Discov num
UC 4247
Comp
Coord arcsec 2000
20 39 43.64 +14 15 30.0
Date first
1997
Date last
2015
Obs
5
Pa first
147
Pa last
147
P.A. Now (θ)
147°
Sep first
33.4
Sep last
32.8
Sep. Now (ρ)
32.8"
Mag pri
14.60
Mag sec
15.30
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+000
Sec motion ra
-033
Pri motion dec
-069
Sec motion dec
-057
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.509
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.1
Precise sep
32.819
Cdsa2 id
UC 4247
Constellation
Delphinus
Ra deg
20.66212222222222
De deg
14.258333333333333
last precise pa
147.1
last precise sep
32.819
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20397+1415 UC 4247 2000 2 147 33.2 14.60 15.30 V 203943.64+141530.0
20397+1415 UC 4247 2001 2 147 33.2 14.60 15.30 V 203943.64+141530.0
20397+1415 UC 4247 2013 3 147 32.5 14.60 15.30 V R 203943.64+141530.0
20397+1415 UC 4247 2015 5 147 32.8 14.60 15.30 V R 203943.64+141530.0

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