20421+1341 BPM2232

 
 
20h 42m 03.09s +13 41' 15.1" P.A. 346 sep 68.4 mag 10.39,15.66
 
 
Coord 2000
20421+1341
Discov num
BPM2232
Comp
Coord arcsec 2000
20 42 03.09 +13 41 15.1
Date first
1981
Date last
2010
Obs
4
Pa first
346
Pa last
346
P.A. Now (θ)
346°
Sep first
69.5
Sep last
68.4
Sep. Now (ρ)
68.4"
Mag pri
10.39
Mag sec
15.66
delta mag (ΔM)
5.27
Spectral class
Pri motion ra
+018
Sec motion ra
-002
Pri motion dec
+019
Sec motion dec
+007
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.891
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.8
Precise sep
68.37
Constellation
Delphinus
Tycho2
1101-00028-1
last precise pa
345.8
last precise sep
68.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20421+1341 BPM2232 1997 2 346 68.8 10.45 15.79 NV 204203.09+134115.1
20421+1341 BPM2232 2001 3 346 68.7 10.45 15.79 NV 204203.09+134115.1
20421+1341 BPM2232 2010 4 346 68.4 10.39 15.66 NV 204203.09+134115.1

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