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
Cdsa2 id
SLE 980
Constellation
Cygnus
Ra deg
20.268205555555554
De deg
37.63055555555555
last precise pa
225.8
last precise sep
14.54
 
 
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

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