20355+3450 ES 2307

 
 
20h 35m 30.18s +34 50' 13.3" P.A. 90.00 sep 3.3 mag 9.76,12.50
 
 
Coord 2000
20355+3450
Discov num
ES 2307
Comp
Coord arcsec 2000
20 35 30.18 +34 50 13.3
Date first
1927
Date last
1999
Obs
2
Pa first
84
Pa last
90
P.A. Now (θ)
90°
Sep first
4.1
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
9.76
Mag sec
12.50
delta mag (ΔM)
2.74
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.6
Precise sep
3.31
Constellation
Cygnus
Tycho2
2694-00039-1
Gaia DR2
91961286400
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20355+3450 ES 2307 1999 2 90 3.3 9.76 12.50 D 203530.18+345013.3

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