20307+1718 BPM2178

 
 
20H 30M 43.56S +17 18' 29.8" P.A. 217 SEP 109.7 MAG 13.20,14.68
 
 
Coord 2000
20307+1718
Discov num
BPM2178
Comp
Coord arcsec 2000
20 30 43.56 +17 18 29.8
Date first
1995
Date last
2010
Obs
4
Pa first
217
Pa last
217
P.A. Now (θ)
217°
Sep first
110.0
Sep last
109.7
Sep. Now (ρ)
109.7"
Mag pri
13.20
Mag sec
14.68
delta mag (ΔM)
1.48
Spectral class
Pri motion ra
-011
Sec motion ra
-008
Pri motion dec
-014
Sec motion dec
+001
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
last precise pa
217.3
last precise sep
109.71