21348+3016 ES  380CD

 
 
21h 34m 51.93s +30 16' 05.6" P.A. 312 sep 2.9 mag 11.41,12.09
 
 
Coord 2000
21348+3016
Discov num
ES  380
Comp
CD
Coord arcsec 2000
21 34 51.93 +30 16 05.6
Date first
1894
Date last
2015
Obs
7
Pa first
315
Pa last
312
P.A. Now (θ)
312°
Sep first
2.1
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
11.41
Mag sec
12.09
delta mag (ΔM)
0.68
Spectral class
Pri motion ra
+030
Sec motion ra
-014
Pri motion dec
-033
Sec motion dec
+007
Notes
rPM=1.333
This double is not physical.
 
 
21348+3016 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21348+3016 ES 380 AB 1906 2015 5 49 16.2 9.98 15.50 5.52
Show 21348+3016 ES 380 AC 1894 2015 9 106 61.5 9.98 11.45 1.47
Show 21348+3016 ES 380 CD 1894 2015 7 312 2.9 11.41 12.09 0.68 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.5
Precise sep
2.91
Constellation
Cygnus
Tycho2
2704-00054-1
Gaia DR2
07826384512
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21348+3016 ES 380 CD 2002 5 310 2.9 11.41 12.09 213451.93+301605.6
21348+3016 ES 380 CD 2015 7 312 2.9 11.41 12.09 213451.93+301605.6

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