20218+2517 POU4400AC

 
 
20h 21m 44.63s +25 17' 24.4" P.A. 73.00 sep 17.8 mag 12.40,14.20
 
 
Coord 2000
20218+2517
Discov num
POU4400
Comp
AC
Coord arcsec 2000
20 21 44.63 +25 17 24.4
Date first
1898
Date last
2015
Obs
10
Pa first
72
Pa last
73
P.A. Now (θ)
73°
Sep first
17.3
Sep last
17.8
Sep. Now (ρ)
17.8"
Mag pri
12.40
Mag sec
14.20
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+000
Sec motion ra
+024
Pri motion dec
-004
Sec motion dec
-005
Notes
rPM=0.98
This double is not physical.
 
 
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
72.6
Precise sep
17.825
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 POU4400 AC 1998 2 73 17.8 12.40 14.20 D 202144.63+251724.4
20218+2517 POU4400 AC 2009 3 73 17.7 12.40 14.20 D 202144.63+251724.4
20218+2517 POU4400 AC 2015 6 73 17.8 12.40 14.20 202144.63+251724.4

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