20327+3916 SEI1159AC

 
 
20h 32m 43.51s +39 16' 15.8" P.A. 148 sep 21 mag 8.20,10.20 Sp B9 dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000
20327+3916
Discov num
SEI1159
Comp
AC
Coord arcsec 2000
20 32 43.51 +39 16 15.8
Date first
1895
Date last
2015
Obs
2
Pa first
146
Pa last
148
P.A. Now (θ)
148°
Sep first
19.7
Sep last
21.0
Sep. Now (ρ)
21"
Mag pri
8.20
Mag sec
10.20
delta mag (ΔM)
2
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20327+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20327+3916 SEI1160 AB 1896 2015 21 49 13.9 8.20 10.38 2.18
Show 20327+3916 SEI1159 AC 1895 2015 2 148 21.0 8.20 10.20 2.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.5
Precise sep
21
Constellation
Cygnus
SAO
70175
HIP
101370
Tycho2
3153-01235-1
Gaia DR2
40252052992
HD
195918
BD
BD+38 4138
Distance
507.61
Distance ly
1655.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20327+3916 SEI1159 AC 1895 1 146 19.7 8.20 10.20 B9 203243.51+391615.8
20327+3916 SEI1159 AC 2015 2 148 21.0 8.20 10.20 B9 203243.51+391615.8

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