18574+4131 KOI 227AB

 
 
18h 57m 24.49s +41 31' 09.1" P.A. 71 sep 0.3 mag 14.00,15.00
 
 
Coord 2000
18574+4131
Discov num
KOI 227
Comp
AB
Coord arcsec 2000
18 57 24.49 +41 31 09.1
Date first
2010
Date last
2013
Obs
4
Pa first
69
Pa last
71
P.A. Now (θ)
71°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
14.00
Mag sec
15.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
+038
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18574+4131 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18574+4131 KOI 227 AB 2010 2013 4 71 0.3 14.00 15.00 1.00 <===
Show 18574+4131 KOI 227 AC 2013 2013 1 149 3.4 11.50 17.90 6.40
Show 18574+4131 KOI 227 AD 1998 2013 2 190 6.5 11.50 14.20 2.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.1
Precise sep
0.31
Constellation
Lyra
last precise pa
71.1
last precise sep
0.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18574+4131 KOI 227 AB 2010 1 249 0.3 14.00 15.00 D 185724.49+413109.1
18574+4131 KOI 227 AB 2013 3 69 0.3 14.00 15.00 185724.49+413109.1

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