20178+3645 SEI1067

 
 
20h 17m 47.23s +36 44' 13.5" P.A. 58 sep 16.6 mag 11.32,11.30 Sp A0:V:
 
 
Coord 2000
20178+3645
Discov num
SEI1067
Comp
Coord arcsec 2000
20 17 47.23 +36 44 13.5
Date first
1896
Date last
2015
Obs
11
Pa first
55
Pa last
58
P.A. Now (θ)
58°
Sep first
15.2
Sep last
16.6
Sep. Now (ρ)
16.6"
Mag pri
11.32
Mag sec
11.30
delta mag (ΔM)
0.02
Spectral class
A0:V: (white)
Pri motion ra
-018
Sec motion ra
-003
Pri motion dec
-007
Sec motion dec
-009
Notes
rPM=0.784
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
58.4
Precise sep
16.606
Constellation
Cygnus
Tycho2
2684-01790-1
Gaia DR2
20740184960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+3645 SEI1067 1998 5 58 16.4 11.32 11.30 D 201747.23+364413.5
20178+3645 SEI1067 2002 6 58 16.5 11.32 11.30 D 201747.23+364413.5
20178+3645 SEI1067 2015 7 58 16.6 11.32 11.30 A0:V: 201747.23+364413.5

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