18574+4131 KOI 227AD

 
 
18H 57M 24.49S +41 31' 09.1" P.A. 190 SEP 6.5 MAG 11.50,14.20
 
 
Coord 2000
18574+4131
Discov num
KOI 227
Comp
AD
Coord arcsec 2000
18 57 24.49 +41 31 09.1
Date first
1998
Date last
2013
Obs
2
Pa first
189
Pa last
190
P.A. Now (θ)
190°
Sep first
6.9
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
11.50
Mag sec
14.20
delta mag (ΔM)
2.7
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
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
189.9
Precise sep
6.549
Constellation
Lyra
Tycho2
3127-02073-1
last precise pa
189.9
last precise sep
6.549