20242+3516 ES 2303AB

 
 
20h 24m 16.17s +35 16' 39.9" P.A. 23 sep 5.2 mag 10.80,12.20
 
 
Coord 2000
20242+3516
Discov num
ES 2303
Comp
AB
Coord arcsec 2000
20 24 16.17 +35 16 39.9
Date first
1927
Date last
2015
Obs
11
Pa first
23
Pa last
23
P.A. Now (θ)
23°
Sep first
5.0
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
10.80
Mag sec
12.20
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20242+3516 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20242+3516 ES 2303 AB 1927 2015 11 23 5.2 10.80 12.20 1.40 <===
Show 20242+3516 POP1230 AC 1945 2015 10 147 45.9 9.90 11.67 1.77
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.1
Precise sep
5.189
Constellation
Cygnus
Tycho2
2693-00181-1
Gaia DR2
84451471488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20242+3516 ES 2303 AB 2003 5 24 5.3 10.80 12.20 D 202416.17+351639.9
20242+3516 ES 2303 AB 2015 8 23 5.3 10.80 12.20 N 202416.17+351639.9

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