20218+2517 POU4399AB

 
 
20h 21m 44.63s +25 17' 24.4" P.A. 21 sep 10.7 mag 12.40,13.40
 
 
Coord 2000
20218+2517
Discov num
POU4399
Comp
AB
Coord arcsec 2000
20 21 44.63 +25 17 24.4
Date first
1898
Date last
2015
Obs
10
Pa first
19
Pa last
21
P.A. Now (θ)
21°
Sep first
13.1
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
12.40
Mag sec
13.40
delta mag (ΔM)
1
Spectral class
Pri motion ra
+000
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20218+2517 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20218+2517 POU4399 AB 1898 2015 10 21 10.7 12.40 13.40 1.00 <===
Show 20218+2517 POU4400 AC 1898 2015 10 73 17.8 12.40 14.20 1.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.2
Precise sep
10.668
Constellation
Vulpecula
Gaia DR2
68507566080
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20218+2517 POU4399 AB 1998 2 21 11.0 12.40 13.40 D 202144.63+251724.4
20218+2517 POU4399 AB 2009 3 21 10.7 12.40 13.40 D 202144.63+251724.4
20218+2517 POU4399 AB 2010 6 19 10.4 12.40 13.40 202144.63+251724.4
20218+2517 POU4399 AB 2015 6 21 10.7 12.40 13.40 202144.63+251724.4

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