20160+2929 MLB 478AB

 
 
20h 15m 56.52s +29 30' 14.0" P.A. 13 sep 6.3 mag 11.76,12.30
 
 
Coord 2000
20160+2929
Discov num
MLB 478
Comp
AB
Coord arcsec 2000
20 15 56.52 +29 30 14.0
Date first
1894
Date last
2016
Obs
12
Pa first
0
Pa last
13
P.A. Now (θ)
13°
Sep first
6.3
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
11.76
Mag sec
12.30
delta mag (ΔM)
0.54
Spectral class
Pri motion ra
+010
Sec motion ra
+013
Pri motion dec
+004
Sec motion dec
+006
Notes
rPM=0.252 (< 0.3, Physical double)
This double is physical.
 
 
20160+2929 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20160+2929 MLB 478 AB 1894 2016 12 13 6.3 11.76 12.30 0.54 <===
Show 20160+2929 MLB 478 AC 1926 2015 10 76 153.6 11.76 10.72 1.04
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.1
Precise sep
6.3
Constellation
Cygnus
Tycho2
2167-00170-1
Gaia DR2
31675623424
HD
333973
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20160+2929 MLB 478 AB 2006 5 13 7.0 11.76 12.30 D 201556.52+293014.0
20160+2929 MLB 478 AB 2016 7 13 6.3 11.76 12.30 201556.52+293014.0

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