20416+3637 SEI1218

 
 
20h 41m 36.65s +36 37' 20.8" P.A. 226.00 sep 12.8 mag 9.69,11.70 Sp K0
 
 
Coord 2000
20416+3637
Discov num
SEI1218
Comp
Coord arcsec 2000
20 41 36.65 +36 37 20.8
Date first
1896
Date last
2015
Obs
10
Pa first
223
Pa last
226
P.A. Now (θ)
226°
Sep first
15.8
Sep last
12.8
Sep. Now (ρ)
12.8"
Mag pri
9.69
Mag sec
11.70
delta mag (ΔM)
2.01
Spectral class
K0 (yellow-orange)
Pri motion ra
-013
Sec motion ra
-003
Pri motion dec
-015
Sec motion dec
+002
Notes
N (See Notes)
rPM=0.994
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.7
Precise sep
12.807
Constellation
Cygnus
SAO
70381
Tycho2
2698-01676-1
Gaia DR2
07386994304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20416+3637 SEI1218 1998 4 224 13.5 9.69 11.70 K0 N D 204136.65+363720.8
20416+3637 SEI1218 2002 5 224 13.2 9.69 11.70 K0 N D 204136.65+363720.8
20416+3637 SEI1218 2015 6 225 13.1 9.69 11.70 K0 N 204136.65+363720.8

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