20106+3338 S   738AB

 
 
20h 10m 35.13s +33 38' 02.7" P.A. 106 sep 42.4 mag 7.76,8.43 Sp B9V dist. 301.2 pc (982.51 l.y.)
 
 
Coord 2000
20106+3338
Discov num
S   738
Comp
AB
Coord arcsec 2000
20 10 35.13 +33 38 02.7
Date first
1797
Date last
2017
Obs
41
Pa first
109
Pa last
106
P.A. Now (θ)
106°
Sep first
35.6
Sep last
42.4
Sep. Now (ρ)
42.4"
Mag pri
7.76
Mag sec
8.43
delta mag (ΔM)
0.67
Spectral class
B9V (blue-white)
Pri motion ra
-011
Sec motion ra
+001
Pri motion dec
-017
Sec motion dec
+001
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=1.068
This double is physical.
 
 
20106+3338 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20106+3338 S 738 AB 1797 2017 41 106 42.4 7.76 8.43 0.67 <===
Show 20106+3338 STT 541 BC 1840 2017 25 182 1.8 8.43 9.73 1.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106
Precise sep
42.43
Constellation
Cygnus
SAO
69553
HIP
99409
Tycho2
2675-03113-1
Gaia DR2
34321284736
HD
191812
BD
BD+33 3778
Distance
301.2
Distance ly
982.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20106+3338 S 738 AB 1998 36 106 42.1 7.76 8.43 B9V NZD 201035.13+333802.7
20106+3338 S 738 AB 2008 37 106 42.0 7.76 8.43 B9V NZD 201035.13+333802.7
20106+3338 S 738 AB 2012 39 104 41.8 7.76 8.43 B9V NZD 201035.13+333802.7
20106+3338 S 738 AB 2017 41 106 42.4 7.76 8.43 B9V NZ 201035.13+333802.7

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