20212+3304 MLB 772BC

 
 
20h 21m 12.01s +33 04' 06.8" P.A. 133 sep 8.4 mag 12.70,14.20
 
 
Coord 2000
20212+3304
Discov num
MLB 772
Comp
BC
Coord arcsec 2000
20 21 12.01 +33 04 06.8
Date first
1932
Date last
2015
Obs
9
Pa first
147
Pa last
133
P.A. Now (θ)
133°
Sep first
7.7
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
12.70
Mag sec
14.20
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-007
Sec motion ra
+023
Pri motion dec
-007
Sec motion dec
-015
Notes
rPM=1.131
This double is not physical.
 
 
20212+3304 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20212+3304 DAM 314 AB 1896 2015 11 124 34.5 11.40 12.70 1.30
Show 20212+3304 MLB 772 BC 1932 2015 9 133 8.4 12.70 14.20 1.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
133.1
Precise sep
8.354
Constellation
Cygnus
Tycho2
2676-01063-1
Gaia DR2
94262524160
HD
229038
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20212+3304 MLB 772 BC 2007 2 133 8.3 12.70 14.20 202112.01+330406.8
20212+3304 MLB 772 BC 2015 5 133 8.4 12.70 14.20 202112.01+330406.8

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