20020+3840 A  1411AD

 
 
20h 01m 59.20s +38 39' 55.4" P.A. 116 sep 22.6 mag 8.59,13.60 Sp A3V
 
 
Coord 2000
20020+3840
Discov num
A  1411
Comp
AD
Coord arcsec 2000
20 01 59.20 +38 39 55.4
Date first
1906
Date last
2002
Obs
4
Pa first
118
Pa last
116
P.A. Now (θ)
116°
Sep first
22.9
Sep last
22.6
Sep. Now (ρ)
22.6"
Mag pri
8.59
Mag sec
13.60
delta mag (ΔM)
5.01
Spectral class
A3V (white)
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-002
Sec motion dec
-006
Notes
rPM=0.687
Nature of this double is uncertain.
 
 
20020+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20020+3840 A 1411 AB 1906 1997 6 203 1.4 8.59 12.30 3.71
Show 20020+3840 A 1411 AC 1906 2002 4 208 10.1 8.59 13.40 4.81
Show 20020+3840 A 1411 AD 1906 2002 4 116 22.6 8.59 13.60 5.01 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.6
Precise sep
22.604
Cdsa2 id
A 1411 AD
Constellation
Cygnus
Ra deg
20.03311111111111
De deg
38.665388888888884
last precise pa
115.6
last precise sep
22.604
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20020+3840 A 1411 AD 2000 3 115 22.4 8.59 13.60 D 200159.20+383955.4
20020+3840 A 1411 AD 2002 4 116 22.6 8.59 13.60 D 200159.20+383955.4

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