20049+5855 ES 1799BC

 
 
20h 04m 47.92s +58 55' 19.4" P.A. 151.00 sep 2.3 mag 13.00,13.20
 
 
Coord 2000
20049+5855
Discov num
ES 1799
Comp
BC
Coord arcsec 2000
20 04 47.92 +58 55 19.4
Date first
1919
Date last
2015
Obs
2
Pa first
154
Pa last
151
P.A. Now (θ)
151°
Sep first
2.1
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
13.00
Mag sec
13.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20049+5855 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20049+5855 ES 1799 AB 1919 2015 4 273 22.3 10.36 12.01 1.65
Show 20049+5855 ES 1799 BC 1919 2015 2 151 2.3 13.00 13.20 0.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.7
Precise sep
2.293
Constellation
Cygnus
Tycho2
3948-01939-1
Gaia DR2
35881156608
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20049+5855 ES 1799 BC 1919 1 154 2.1 12.80 13.00 200447.92+585519.4
20049+5855 ES 1799 BC 2015 2 151 2.3 13.00 13.20 200447.92+585519.4

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