20144+3524 ES  244BC

 
 
20h 14m 28.41s +35 23' 59.1" P.A. 17 sep 4.9 mag 12.25,12.90
 
 
Coord 2000
20144+3524
Discov num
ES  244
Comp
BC
Coord arcsec 2000
20 14 28.41 +35 23 59.1
Date first
1905
Date last
1999
Obs
4
Pa first
14
Pa last
17
P.A. Now (θ)
17°
Sep first
5.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
12.25
Mag sec
12.90
delta mag (ΔM)
0.65
Spectral class
Pri motion ra
-001
Sec motion ra
+024
Pri motion dec
-001
Sec motion dec
+012
Notes
rPM=1.05
This double is not physical.
 
 
20144+3524 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20144+3524 ES 244 AB 1905 2002 6 130 41.2 8.44 12.25 3.81
Show 20144+3524 ES 244 BC 1905 1999 4 17 4.9 12.25 12.90 0.65 <===
Show 20144+3524 ES 244 CD 1905 1999 3 304 4.0 12.90 14.10 1.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.5
Precise sep
4.88
Cdsa2 id
ES 244 BC
Constellation
Cygnus
Ra deg
20.241225
De deg
35.39975
last precise pa
16.5
last precise sep
4.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+3524 ES 244 BC 1999 4 17 4.9 12.25 12.80 D 201428.45+352403.3

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