20020+3840 A  1411AC

 
 
20h 01m 59.20s +38 39' 55.4" P.A. 208 sep 10.2 mag 8.59,13.40 Sp A3V
 
 
Coord 2000
20020+3840
Discov num
A  1411
Comp
AC
Coord arcsec 2000
20 01 59.20 +38 39 55.4
Date first
1906
Date last
2015
Obs
5
Pa first
208
Pa last
208
P.A. Now (θ)
208°
Sep first
10.2
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
8.59
Mag sec
13.40
delta mag (ΔM)
4.81
Spectral class
A3V (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-002
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 20020+3840 A 1411 AB 1906 1997 6 203 1.4 8.59 12.30 3.71
Show 20020+3840 A 1411 AC 1906 2015 5 208 10.2 8.59 13.40 4.81 <===
Show 20020+3840 A 1411 AD 1906 2015 5 116 22.7 8.59 13.60 5.01
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.2
Precise sep
10.218
Constellation
Cygnus
SAO
69289
Tycho2
3150-01983-1
Gaia DR2
11337665408
HD
190131
 
 
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 AC 2000 3 209 9.9 8.59 13.40 D 200159.20+383955.4
20020+3840 A 1411 AC 2002 4 208 10.1 8.59 13.40 D 200159.20+383955.4
20020+3840 A 1411 AC 2015 5 208 10.2 8.59 13.40 A3V 200159.20+383955.4

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