20168+4158 ES 1568BC

 
 
20h 16m 45.92s +41 57' 54.6" P.A. 207 sep 3.5 mag 12.23,12.30
 
 
Coord 2000
20168+4158
Discov num
ES 1568
Comp
BC
Coord arcsec 2000
20 16 45.92 +41 57 54.6
Date first
1892
Date last
2008
Obs
6
Pa first
194
Pa last
207
P.A. Now (θ)
207°
Sep first
2.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
12.23
Mag sec
12.30
delta mag (ΔM)
0.07
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20168+4158 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20168+4158 ES 1568 AB 1892 2002 6 297 12.9 10.86 12.23 1.37
Show 20168+4158 ES 1568 BC 1892 2008 6 207 3.5 12.23 12.30 0.07 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.4
Precise sep
3.49
Cdsa2 id
ES 1568 BC
Constellation
Cygnus
Ra deg
20.27942222222222
De deg
41.96516666666667
last precise pa
207.4
last precise sep
3.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20168+4158 ES 1568 BC 1997 5 189 2.9 12.23 12.30 N 201645.92+415754.6
20168+4158 ES 1568 BC 2008 6 207 3.5 12.23 12.30 N 201645.92+415754.6

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