20568+4254 ENG  77AB

 
 
20h 56m 48.02s +42 53' 44.3" P.A. 328 sep 100 mag 7.31,10.16 Sp K0III-IV
 
 
Coord 2000
20568+4254
Discov num
ENG  77
Comp
AB
Coord arcsec 2000
20 56 48.02 +42 53 44.3
Date first
1892
Date last
2002
Obs
11
Pa first
355
Pa last
328
P.A. Now (θ)
328°
Sep first
116.9
Sep last
100.0
Sep. Now (ρ)
100"
Mag pri
7.31
Mag sec
10.16
delta mag (ΔM)
2.85
Spectral class
K0III-IV (yellow-orange)
Pri motion ra
+219
Sec motion ra
-152
Pri motion dec
+224
Sec motion dec
-064
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.499
This double is not physical.
 
 
20568+4254 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20568+4254 ENG 77 AB 1892 2002 11 328 100.0 7.31 10.16 2.85 <===
Show 20568+4254 ENG 77 AC 1892 2012 18 17 125.8 7.31 9.13 1.82
Show 20568+4254 ENG 77 BC 1892 2002 12 69 100.8 10.16 9.13 1.03
Show 20568+4254 ENG 77 CD 1892 2002 11 356 92.9 9.13 11.06 1.93
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.4
Precise sep
100.047
Constellation
Cygnus
Tycho2
3175-00075-1
HD
199580
last precise pa
328.4
last precise sep
100.047
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20568+4254 ENG 77 AB 2002 10 331 99.7 7.31 10.16 K0III-IV NLD 205648.02+425344.3

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