20105+2920 BRT  46AB

 
 
20h 10m 28.74s +29 20' 04.8" P.A. 79 sep 5.3 mag 11.24,11.80
 
 
Coord 2000
20105+2920
Discov num
BRT  46
Comp
AB
Coord arcsec 2000
20 10 28.74 +29 20 04.8
Date first
1893
Date last
2015
Obs
19
Pa first
78
Pa last
79
P.A. Now (θ)
79°
Sep first
4.3
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
11.24
Mag sec
11.80
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+011
Sec motion ra
+013
Pri motion dec
+001
Sec motion dec
+001
Notes
N (See Notes)
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
20105+2920 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20105+2920 BRT 46 AB 1893 2015 19 79 5.3 11.24 11.80 0.56 <===
Show 20105+2920 MLB 477 AC 1926 2018 7 24 113.7 11.24 7.59 3.65
Show 20105+2920 HDS2874 Ca,Cb 1991 1991 1 275 0.3 7.61 11.49 3.88
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79
Precise sep
5.269
Constellation
Vulpecula
SAO
88297
Gaia DR2
45609947136
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20105+2920 BRT 46 AB 2003 10 79 5.3 11.24 11.80 D 201028.74+292004.8
20105+2920 BRT 46 AB 2006 15 80 5.3 11.24 11.80 N 201028.74+292004.8
20105+2920 BRT 46 AB 2010 16 78 4.5 11.24 11.80 N 201028.74+292004.8
20105+2920 BRT 46 AB 2015 16 79 5.3 11.24 11.80 N 201028.74+292004.8

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