20419+3711 SEI1220

 
 
20h 41m 57.88s +37 11' 38.3" P.A. 161.00 sep 13.0 mag 11.41,11.52
 
 
Coord 2000
20419+3711
Discov num
SEI1220
Comp
Coord arcsec 2000
20 41 57.88 +37 11 38.3
Date first
1896
Date last
2015
Obs
14
Pa first
160
Pa last
161
P.A. Now (θ)
161°
Sep first
13.4
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
11.41
Mag sec
11.52
delta mag (ΔM)
0.11
Spectral class
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
-010
Sec motion dec
-011
Notes
rPM=0.117 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.2
Precise sep
13.046
Constellation
Cygnus
Tycho2
2698-00571-1
Gaia DR2
95828416768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20419+3711 SEI1220 1998 7 161 13.1 11.41 11.53 D 204157.88+371138.3
20419+3711 SEI1220 2002 8 161 13.0 11.41 11.53 D 204157.88+371138.3
20419+3711 SEI1220 2010 9 161 12.8 11.41 11.52 204157.88+371138.3
20419+3711 SEI1220 2015 10 161 13.1 11.41 11.52 204157.88+371138.3

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