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
Constellation
Delphinus
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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