18126+4123 STF2298AB

 
 
18H 12M 38.87S +41 23' 08.1" P.A. 175 SEP 1.8 MAG 8.76,9.94 SP F5 DIST. 120.92 PC (394.44 L.Y.)
 
 
Coord 2000
18126+4123
Discov num
STF2298
Comp
AB
Coord arcsec 2000
18 12 38.87 +41 23 08.1
Date first
1831
Date last
2011
Obs
40
Pa first
186
Pa last
175
P.A. Now (θ)
175°
Sep first
2.4
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
8.76
Mag sec
9.94
delta mag (ΔM)
1.18
Spectral class
F5 (yellow-white)
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
+026
Sec motion dec
+026
Notes
Nature of this double is uncertain.
 
 
18126+4123 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47304 18126+4123 STF2298 AB 1831 2011 40 175 1.8 8.76 9.94 1.18 <===
Show 47304 18126+4123 STF2298 AC 1881 2006 8 40 73.3 8.76 12.43 3.67
Show 47304 18126+4123 WAL 89 AB,D 1944 2006 4 71 46.6 8.67 13.27 4.60
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
47304
HIP
89240
Tycho2
3111-02076-1
HD
167303
BD
BD+41 3010
Distance
120.92
Distance ly
394.44
last precise pa
174.6
last precise sep
1.845