20049+3334 ES 2350AB

 
 
20h 04m 54.08s +33 34' 07.9" P.A. 224 sep 2.4 mag 10.07,12.46 Sp A2
 
 
Coord 2000
20049+3334
Discov num
ES 2350
Comp
AB
Coord arcsec 2000
20 04 54.08 +33 34 07.9
Date first
1928
Date last
2009
Obs
4
Pa first
212
Pa last
224
P.A. Now (θ)
224°
Sep first
2.8
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.07
Mag sec
12.46
delta mag (ΔM)
2.39
Spectral class
A2 (white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-004
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
224.1
Precise sep
2.4
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 AB 2007 2 227 2.5 10.10 12.30 200454.08+333407.9
20049+3334 ES 2350 AB 2009 4 224 2.4 10.07 12.46 A2 200454.08+333407.9

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