20020+3840 A  1411AB

 
 
20h 01m 59.20s +38 39' 55.4" P.A. 203 sep 1.4 mag 8.59,12.30 Sp A3V
 
 
Coord 2000
20020+3840
Discov num
A  1411
Comp
AB
Coord arcsec 2000
20 01 59.20 +38 39 55.4
Date first
1906
Date last
1997
Obs
6
Pa first
204
Pa last
203
P.A. Now (θ)
203°
Sep first
1.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
8.59
Mag sec
12.30
delta mag (ΔM)
3.71
Spectral class
A3V (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
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 69289 20020+3840 A 1411 AB 1906 1997 6 203 1.4 8.59 12.30 3.71 <===
Show 69289 20020+3840 A 1411 AC 1906 2002 4 208 10.1 8.59 13.40 4.81
Show 69289 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
202.6
Precise sep
1.4
Constellation
Cygnus
SAO
69289
Tycho2
3150-01983-1
HD
190131
last precise pa
202.6
last precise sep
1.4
 
 
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 AB 1997 6 203 1.4 8.59 12.30 A3V 200159.20+383955.4

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