20161+3738 SLE 980

 
 
20h 16m 05.54s +37 37' 50.0" P.A. 226 sep 14.5 mag 9.90,12.50 Sp B9.5V
 
 
Coord 2000
20161+3738
Discov num
SLE 980
Comp
Coord arcsec 2000
20 16 05.54 +37 37 50.0
Date first
1985
Date last
2010
Obs
4
Pa first
226
Pa last
226
P.A. Now (θ)
226°
Sep first
13.9
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
9.90
Mag sec
12.50
delta mag (ΔM)
2.6
Spectral class
B9.5V (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
+004
Notes
rPM=1.94
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.8
Precise sep
14.54
Constellation
Cygnus
Tycho2
3151-01940-1
Gaia DR2
73786879104
HD
228657
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20161+3738 SLE 980 1998 2 226 14.5 9.90 12.50 D 201605.45+373745.4
20161+3738 SLE 980 2002 3 226 14.5 9.90 12.50 D 201605.45+373745.4
20161+3738 SLE 980 2010 4 226 14.3 9.90 12.50 B9.5V 201605.45+373745.4

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