20049+3334 ES 2350BC

 
 
20h 04m 54.08s +33 34' 07.9" P.A. 241.00 sep 4.4 mag 12.46,13.50
 
 
Coord 2000
20049+3334
Discov num
ES 2350
Comp
BC
Coord arcsec 2000
20 04 54.08 +33 34 07.9
Date first
1929
Date last
1929
Obs
1
Pa first
241
Pa last
241
P.A. Now (θ)
241°
Sep first
4.4
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
12.46
Mag sec
13.50
delta mag (ΔM)
1.04
Spectral class
Pri motion ra
+010
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20049+3334 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20049+3334 ES 2350 AB 1928 2009 4 224 2.4 10.07 12.46 2.39
Show 20049+3334 ES 2350 BC 1929 1929 1 241 4.4 12.46 13.50 1.04 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
240.7
Precise sep
4.41
Constellation
Cygnus
Tycho2
2674-05756-1
Gaia DR2
99380631168
HD
227500
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20049+3334 ES 2350 BC 1929 1 241 4.4 12.46 13.50 200454.08+333407.9
20049+3334 ES 2350 BC 1991 2 229 2.1 10.07 12.46 200454.08+333407.9

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