20151+4118 A   387CD

 
 
20H 15M 06.82S +41 17' 39.0" P.A. 19 SEP 9 MAG 10.75,13.00 DIST. 1219.51 PC (3978.04 L.Y.)
 
 
Coord 2000
20151+4118
Discov num
A   387
Comp
CD
Coord arcsec 2000
20 15 06.82 +41 17 39.0
Date first
1998
Date last
2002
Obs
2
Pa first
19
Pa last
19
P.A. Now (θ)
19°
Sep first
9.1
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
10.75
Mag sec
13.00
delta mag (ΔM)
2.25
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20151+4118 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49365 20151+4118 A 387 AB 1902 2006 7 150 5.3 7.90 11.48 3.58
Show 49365 20151+4118 A 387 AC 1892 2002 6 221 22.0 7.90 10.75 2.85
Show 49365 20151+4118 A 387 CD 1998 2002 2 19 9.0 10.75 13.00 2.25 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
A0
Constellation
Cygnus
SAO
49365
HIP
99813
Tycho2
3159-00995-1
HD
192803
BD
BD+40 4077
Distance
1219.51
Distance ly
3978.04
last precise pa
19.4
last precise sep
9.018