20371+1738 BPM2208

 
 
20h 37m 05.53s +17 38' 04.7" P.A. 78 sep 56.6 mag 15.49,15.96
 
 
Coord 2000
20371+1738
Discov num
BPM2208
Comp
Coord arcsec 2000
20 37 05.53 +17 38 04.7
Date first
1991
Date last
2010
Obs
4
Pa first
78
Pa last
78
P.A. Now (θ)
78°
Sep first
56.6
Sep last
56.6
Sep. Now (ρ)
56.6"
Mag pri
15.49
Mag sec
15.96
delta mag (ΔM)
0.47
Spectral class
Pri motion ra
-005
Sec motion ra
-002
Pri motion dec
+000
Sec motion dec
-003
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.849
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.7
Precise sep
56.59
Constellation
Delphinus
last precise pa
77.7
last precise sep
56.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20371+1738 BPM2208 1999 2 78 56.6 15.62 16.12 NV 203705.53+173804.7
20371+1738 BPM2208 2001 3 78 56.6 15.62 16.12 NV 203705.53+173804.7
20371+1738 BPM2208 2010 4 78 56.4 15.49 15.96 NV 203705.53+173804.7

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