20144+3920 SEI1039AB

 
 
20h 14m 26.30s +39 20' 51.3" P.A. 135 sep 10.7 mag 12.35,13.10
 
 
Coord 2000
20144+3920
Discov num
SEI1039
Comp
AB
Coord arcsec 2000
20 14 26.30 +39 20 51.3
Date first
1896
Date last
2015
Obs
4
Pa first
137
Pa last
135
P.A. Now (θ)
135°
Sep first
11.6
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
12.35
Mag sec
13.10
delta mag (ΔM)
0.75
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20144+3920 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20144+3920 SEI1039 AB 1896 2015 4 135 10.7 12.35 13.10 0.75 <===
Show 20144+3920 TOB 182 AC 1892 2015 12 194 43.2 12.35 11.79 0.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134.6
Precise sep
10.666
Constellation
Cygnus
Tycho2
3151-00297-1
Gaia DR2
03215770880
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+3920 SEI1039 AB 1999 2 134 10.7 10.20 11.00 D 201426.30+392051.3
20144+3920 SEI1039 AB 2002 3 134 10.7 12.30 13.10 D 201426.30+392051.3
20144+3920 SEI1039 AB 2015 4 135 10.7 12.35 13.10 201426.30+392051.3

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