20134+2941 MLB 661

 
 
20h 13m 24.77s +29 41' 26.4" P.A. 167 sep 3.9 mag 9.60,10.50
 
 
Coord 2000
20134+2941
Discov num
MLB 661
Comp
Coord arcsec 2000
20 13 24.77 +29 41 26.4
Date first
1930
Date last
2015
Obs
6
Pa first
165
Pa last
167
P.A. Now (θ)
167°
Sep first
3.8
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.60
Mag sec
10.50
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-003
Sec motion ra
+008
Pri motion dec
-003
Sec motion dec
-033
Notes
rPM=0.941
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.8
Precise sep
3.914
Constellation
Cygnus
Gaia DR2
79844546048
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20134+2941 MLB 661 2006 4 168 3.7 9.60 10.50 D 201324.77+294126.4
20134+2941 MLB 661 2010 6 168 3.5 9.60 10.50 201324.77+294126.4
20134+2941 MLB 661 2015 6 167 3.9 9.60 10.50 201324.77+294126.4

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