20242+5807 A   729AB

 
 
20h 24m 11.72s +58 07' 37.0" P.A. 252 sep 2.8 mag 10.09,12.10
 
 
Coord 2000
20242+5807
Discov num
A   729
Comp
AB
Coord arcsec 2000
20 24 11.72 +58 07 37.0
Date first
1904
Date last
2015
Obs
9
Pa first
251
Pa last
252
P.A. Now (θ)
252°
Sep first
2.7
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.09
Mag sec
12.10
delta mag (ΔM)
2.01
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20242+5807 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20242+5807 A 729 AB 1904 2015 9 252 2.8 10.09 12.10 2.01 <===
Show 20242+5807 A 729 AC 1912 2015 5 69 36.4 9.70 12.78 3.08
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.5
Precise sep
2.84
Constellation
Cygnus
SAO
32535
Tycho2
3949-00738-1
Gaia DR2
82957551360
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20242+5807 A 729 AB 2004 6 252 2.8 10.09 12.10 202411.72+580737.0
20242+5807 A 729 AB 2010 7 252 2.6 10.09 12.10 202411.72+580737.0
20242+5807 A 729 AB 2015 9 252 2.8 10.09 12.10 202411.72+580737.0

If you need more information about this double, apply for a data request form to the WDS.