20353+4251 A   397AB

 
 
20h 35m 16.62s +42 50' 47.3" P.A. 198 sep 1.3 mag 9.65,12.50 Sp F8
 
 
Coord 2000
20353+4251
Discov num
A   397
Comp
AB
Coord arcsec 2000
20 35 16.62 +42 50 47.3
Date first
1902
Date last
1980
Obs
8
Pa first
216
Pa last
198
P.A. Now (θ)
198°
Sep first
1.1
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.65
Mag sec
12.50
delta mag (ΔM)
2.85
Spectral class
F8 (yellow-white)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20353+4251 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20353+4251 A 397 AB 1902 1980 8 198 1.3 9.65 12.50 2.85 <===
Show 20353+4251 A 397 AB,C 1892 2018 8 302 53.7 9.65 8.81 0.84
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.1
Precise sep
1.26
Constellation
Cygnus
SAO
49833
Tycho2
3161-00061-1
Gaia DR2
36193183872
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20353+4251 A 397 AB 1980 8 198 1.3 9.65 12.50 F8 203516.62+425047.3

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