21392+3241 ES 2320BC

 
 
21h 39m 09.45s +32 41' 54.0" P.A. 323 sep 3.3 mag 10.50,13.00
 
 
Coord 2000
21392+3241
Discov num
ES 2320
Comp
BC
Coord arcsec 2000
21 39 09.45 +32 41 54.0
Date first
1927
Date last
2011
Obs
3
Pa first
323
Pa last
323
P.A. Now (θ)
323°
Sep first
2.8
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.50
Mag sec
13.00
delta mag (ΔM)
2.5
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
-000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21392+3241 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21392+3241 ES 2320 AB 1893 2011 10 188 12.2 9.91 11.06 1.15
Show 21392+3241 ES 2320 BC 1927 2011 3 323 3.3 10.50 13.00 2.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.6
Precise sep
3.3
Cdsa2 id
ES 2320 BC
Constellation
Cygnus
Ra deg
21.652624999999997
De deg
32.69833333333333
last precise pa
322.6
last precise sep
3.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21392+3241 ES 2320 BC 1927 1 323 2.8 10.90 13.40 213909.45+324154.0
21392+3241 ES 2320 BC 2011 2 323 3.2 10.50 13.00 213909.45+324154.0

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