20039+4411 ES   85AD

 
 
20h 03m 52.48s +44 11' 31.9" P.A. 308 sep 11.3 mag 10.52,13.10 Sp A0
 
 
Coord 2000
20039+4411
Discov num
ES   85
Comp
AD
Coord arcsec 2000
20 03 52.48 +44 11 31.9
Date first
1892
Date last
2017
Obs
9
Pa first
306
Pa last
308
P.A. Now (θ)
308°
Sep first
10.7
Sep last
11.3
Sep. Now (ρ)
11.3"
Mag pri
10.52
Mag sec
13.10
delta mag (ΔM)
2.58
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
-008
Pri motion dec
-010
Sec motion dec
-005
Notes
N (See Notes)
rPM=0.943
This double is not physical.
 
 
20039+4411 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20039+4411 ES 85 AB 1828 2017 14 33 2.3 10.52 11.20 0.68
Show 20039+4411 ES 85 AC 1892 2017 13 84 10.7 10.52 12.50 1.98
Show 20039+4411 ES 85 AD 1892 2017 9 308 11.3 10.52 13.10 2.58 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308
Precise sep
11.285
Constellation
Cygnus
Tycho2
3162-00108-1
Gaia DR2
61712491776
HD
190586
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20039+4411 ES 85 AD 1907 1 310 12.5 10.52   200352.48+441131.9
20039+4411 ES 85 AD 1998 4 307 11.2 10.52   N D 200352.48+441131.9
20039+4411 ES 85 AD 2011 5 307 11.2 10.52   N D 200352.48+441131.9
20039+4411 ES 85 AD 2015 7 309 11.3 10.52 12.90 A0 N 200352.48+441131.9
20039+4411 ES 85 AD 2017 9 308 11.3 10.52 13.10 A0 N 200352.48+441131.9

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