20391+1243 BPM2218

 
 
20h 39m 06.77s +12 43' 17.9" P.A. 252 sep 64.5 mag 12.99,13.67
 
 
Coord 2000
20391+1243
Discov num
BPM2218
Comp
Coord arcsec 2000
20 39 06.77 +12 43 17.9
Date first
1966
Date last
2001
Obs
3
Pa first
252
Pa last
252
P.A. Now (θ)
252°
Sep first
64.4
Sep last
64.5
Sep. Now (ρ)
64.5"
Mag pri
12.99
Mag sec
13.67
delta mag (ΔM)
0.68
Spectral class
Pri motion ra
-001
Sec motion ra
+001
Pri motion dec
+000
Sec motion dec
-010
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.015
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.1
Precise sep
64.493
Constellation
Delphinus
last precise pa
252.1
last precise sep
64.493
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20391+1243 BPM2218 1999 2 252 64.4 14.11 14.18 NV 203906.77+124317.9
20391+1243 BPM2218 2001 3 252 64.5 14.11 14.18 NV 203906.77+124317.9

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