20413+1551 UC 4257

 
 
20H 41M 18.32S +15 50' 39.9" P.A. 208 SEP 21 MAG 15.90,16.30
 
 
Coord 2000
20413+1551
Discov num
UC 4257
Comp
Coord arcsec 2000
20 41 18.32 +15 50 39.9
Date first
1997
Date last
2010
Obs
3
Pa first
208
Pa last
208
P.A. Now (θ)
208°
Sep first
20.6
Sep last
21.0
Sep. Now (ρ)
21"
Mag pri
15.90
Mag sec
16.30
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-070
Sec motion ra
-080
Pri motion dec
-029
Sec motion dec
+006
Notes
V (Proper motion indicates physical)
rPM=0.454
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
last precise pa
207.6
last precise sep
21.01