20166+3651 SEI1059

 
 
20h 16m 33.81s +36 51' 21.9" P.A. 320 sep 13 mag 9.42,11.80 Sp K0
 
 
Coord 2000
20166+3651
Discov num
SEI1059
Comp
Coord arcsec 2000
20 16 33.81 +36 51 21.9
Date first
1896
Date last
2015
Obs
11
Pa first
321
Pa last
320
P.A. Now (θ)
320°
Sep first
12.9
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
9.42
Mag sec
11.80
delta mag (ΔM)
2.38
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
+001
Pri motion dec
+005
Sec motion dec
+007
Notes
rPM=0.316
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319.9
Precise sep
12.969
Constellation
Cygnus
SAO
69731
Tycho2
2684-01741-1
Gaia DR2
89825628800
HD
228691
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20166+3651 SEI1059 1998 4 320 13.3 9.59 10.90 K0 D 201633.80+365121.8
20166+3651 SEI1059 2011 5 320 13.0 9.59 10.90 K0 D 201633.80+365121.8
20166+3651 SEI1059 2015 7 320 13.0 9.42 11.80 K0 201633.81+365121.9

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