20158+3447 SEI1047

 
 
20h 15m 52.69s +34 47' 36.2" P.A. 163 sep 21 mag 10.60,10.76
 
 
Coord 2000
20158+3447
Discov num
SEI1047
Comp
Coord arcsec 2000
20 15 52.69 +34 47 36.2
Date first
1896
Date last
2010
Obs
9
Pa first
165
Pa last
163
P.A. Now (θ)
163°
Sep first
21.9
Sep last
21.0
Sep. Now (ρ)
21"
Mag pri
10.60
Mag sec
10.76
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
+000
Sec motion ra
+003
Pri motion dec
-009
Sec motion dec
+000
Notes
rPM=1.054
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.8
Precise sep
21
Constellation
Cygnus
Tycho2
2680-01406-1
last precise pa
162.8
last precise sep
21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20158+3447 SEI1047 2005 7 163 20.7 10.60 10.76 D 201552.69+344736.2
20158+3447 SEI1047 2010 9 164 20.3 10.60 10.76 201552.69+344736.2

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