20054+4440 KOI2181AD

 
 
20H 05M 22.28S +44 40' 19.9" P.A. 184 SEP 7.6 MAG 12.40,18.10
 
 
Coord 2000
20054+4440
Discov num
KOI2181
Comp
AD
Coord arcsec 2000
20 05 22.28 +44 40 19.9
Date first
2013
Date last
2013
Obs
1
Pa first
184
Pa last
184
P.A. Now (θ)
184°
Sep first
7.6
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
12.40
Mag sec
18.10
delta mag (ΔM)
5.7
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
20054+4440 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20054+4440 KOI2181 AB 2013 2013 1 71 3.5 12.40 18.80 6.40
Show 20054+4440 KOI2181 AC 2010 2013 2 28 3.8 12.40 18.30 5.90
Show 20054+4440 KOI2181 AD 2013 2013 1 184 7.6 12.40 18.10 5.70 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
184.4
last precise sep
7.557