20216+3836 SEI1102

 
 
20h 21m 38.31s +38 35' 30.6" P.A. 337 sep 18.9 mag 12.00,12.05 Sp B0V
 
 
Coord 2000
20216+3836
Discov num
SEI1102
Comp
Coord arcsec 2000
20 21 38.31 +38 35 30.6
Date first
1895
Date last
2015
Obs
13
Pa first
337
Pa last
337
P.A. Now (θ)
337°
Sep first
19.1
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
12.00
Mag sec
12.05
delta mag (ΔM)
0.05
Spectral class
B0V (blue-white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
+014
Sec motion dec
+014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.6
Precise sep
18.928
Constellation
Cygnus
SAO
69901
Gaia DR2
03753562624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20216+3836 SEI1102 1983 4 155 18.8 9.86 10.10 202135.13+383647.7
20216+3836 SEI1102 2009 5 157 19.0 9.86 10.10 202135.13+383647.7
20216+3836 SEI1102 2010 8 336 19.0 12.00 12.05 B0V 202138.31+383530.6
20216+3836 SEI1102 2015 9 337 18.9 12.00 12.05 B0V 202138.31+383530.6

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