20145+2808 BRT  47AB

 
 
20h 14m 45.49s +28 07' 41.3" P.A. 232 sep 4.8 mag 10.76,10.89 Sp G0
 
 
Coord 2000
20145+2808
Discov num
BRT  47
Comp
AB
Coord arcsec 2000
20 14 45.49 +28 07 41.3
Date first
1897
Date last
2018
Obs
12
Pa first
236
Pa last
232
P.A. Now (θ)
232°
Sep first
4.3
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
10.76
Mag sec
10.89
delta mag (ΔM)
0.13
Spectral class
G0 (yellow)
Pri motion ra
+052
Sec motion ra
+050
Pri motion dec
-040
Sec motion dec
-045
Notes
V W (Proper motion indicates physical, )
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
20145+2808 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20145+2808 BRT 47 AB 1897 2018 12 232 4.8 10.76 10.89 0.13 <===
Show 20145+2808 BRT 47 AC 1927 2007 4 215 40.4 10.76 12.94 2.18
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.2
Precise sep
4.773
Constellation
Vulpecula
Tycho2
2167-00004-1
Gaia DR2
81201504384
HD
334002
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20145+2808 BRT 47 AB 2007 8 232 4.7 10.76 10.89 G0 D 201445.49+280741.3
20145+2808 BRT 47 AB 2015 10 232 4.7 10.76 10.89 G0 W 201445.49+280741.3

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