16566+5711 A  1143CD

 
 
16h 56m 35.49s +57 12' 56.9" P.A. 140 sep 0.7 mag 10.72,10.85 Sp K5
 
 
Coord 2000
16566+5711
Discov num
A  1143
Comp
CD
Coord arcsec 2000
16 56 35.49 +57 12 56.9
Date first
1905
Date last
2010
Obs
22
Pa first
148
Pa last
140
P.A. Now (θ)
140°
Sep first
0.8
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
10.72
Mag sec
10.85
delta mag (ΔM)
0.13
Spectral class
K5 (yellow-orange)
Pri motion ra
-012
Sec motion ra
-012
Pri motion dec
+030
Sec motion dec
+030
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
16566+5711 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30169 16566+5711 A 1143 AB 1905 2008 40 214 0.3 9.44 9.72 0.28 Y
Show 30169 16566+5711 A 1143 AB,CD 1905 2004 14 2 99.7 8.90 10.21 1.31
Show 30169 16566+5711 A 1143 AB,E 1905 2003 5 351 52.2 8.90 13.50 4.60
Show 30170 16566+5711 A 1143 CD 1905 2010 22 140 0.7 10.72 10.85 0.13 <===
Quintuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140
Precise sep
0.678
Constellation
Draco
SAO
30170
Tycho2
3894-00682-1
HD
238627
last precise pa
140
last precise sep
0.678
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16566+5711 A 1143 CD 1996 21 148 0.5 10.72 10.85 K5 N 165635.49+571256.9
16566+5711 A 1143 CD 2010 22 140 0.7 10.72 10.85 K5 N 165635.49+571256.9

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