20296+3901 ALI 936AB

 
 
20h 29m 35.09s +39 01' 10.4" P.A. 77 sep 10.5 mag 11.09,11.46 Sp A5+K7
 
 
Coord 2000
20296+3901
Discov num
ALI 936
Comp
AB
Coord arcsec 2000
20 29 35.09 +39 01 10.4
Date first
1928
Date last
2016
Obs
11
Pa first
76
Pa last
77
P.A. Now (θ)
77°
Sep first
10.7
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
11.09
Mag sec
11.46
delta mag (ΔM)
0.37
Spectral class
A5+K7 (white/yellow-orange)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
20296+3901 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20296+3901 ALI 936 AB 1928 2016 11 77 10.5 11.09 11.46 0.37 <===
Show 20296+3901 SEI1137 AC 1895 2016 16 310 22.0 11.09 11.41 0.32
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.9
Precise sep
10.469
Constellation
Cygnus
SAO
70100
Tycho2
3152-01441-1
Gaia DR2
05531141760
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20296+3901 ALI 936 AB 1998 3 77 10.5 11.09 11.46 D 202935.09+390110.4
20296+3901 ALI 936 AB 2002 4 77 10.5 11.09 11.46 D 202935.09+390110.4
20296+3901 ALI 936 AB 2016 7 77 10.5 11.09 11.46 A5+K7 202935.09+390110.4

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