20327+3916 SEI1160AB

 
 
20h 32m 43.51s +39 16' 15.8" P.A. 49 sep 13.9 mag 8.20,10.38 Sp B9 dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000
20327+3916
Discov num
SEI1160
Comp
AB
Coord arcsec 2000
20 32 43.51 +39 16 15.8
Date first
1896
Date last
2015
Obs
21
Pa first
54
Pa last
49
P.A. Now (θ)
49°
Sep first
13.4
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
8.20
Mag sec
10.38
delta mag (ΔM)
2.18
Spectral class
B9 (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
+013
Notes
rPM=1.074
This double is not physical.
 
 
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
49.3
Precise sep
13.9
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 SEI1160 AB 2007 8 50 14.3 8.20 10.38 B9 D 203243.51+391615.8
20327+3916 SEI1160 AB 2008 9 50 14.3 8.20 10.38 B9 D 203243.51+391615.8
20327+3916 SEI1160 AB 2009 10 51 14.5 8.20 10.38 B9 D 203243.51+391615.8
20327+3916 SEI1160 AB 2010 11 49 14.3 8.20 10.38 B9 D 203243.51+391615.8
20327+3916 SEI1160 AB 2013 13 48 14.1 8.20 10.38 B9 203243.51+391615.8
20327+3916 SEI1160 AB 2014 14 49 14.4 8.20 10.38 B9 203243.51+391615.8
20327+3916 SEI1160 AB 2015 16 49 13.9 8.20 10.38 B9 203243.51+391615.8

If you need more information about this double, apply for a data request form to the WDS.