20348+4830 ES  666

 
 
20h 34m 47.51s +48 30' 01.6" P.A. 317 sep 3 mag 10.10,10.70
 
 
Coord 2000
20348+4830
Discov num
ES  666
Comp
Coord arcsec 2000
20 34 47.51 +48 30 01.6
Date first
1908
Date last
2015
Obs
6
Pa first
316
Pa last
317
P.A. Now (θ)
317°
Sep first
3.3
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
10.10
Mag sec
10.70
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+016
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
317
Precise sep
3.049
Constellation
Cygnus
SAO
49832
Tycho2
3577-02210-1
Gaia DR2
2179753047272855296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20348+4830 ES 666 2002 3 317 3.1 10.10 10.70 D 203447.51+483001.6
20348+4830 ES 666 2009 4 317 3.0 10.10 10.70 D 203447.51+483001.6
20348+4830 ES 666 2015 6 317 3.0 10.10 10.70 203447.51+483001.6

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