18028+7547 STF2302BC

 
 
18H 02M 49.52S +75 47' 22.3" P.A. 282 SEP 18.9 MAG 9.97,8.10 DIST. 141.04 PC (460.07 L.Y.)
 
 
Coord 2000
18028+7547
Discov num
STF2302
Comp
BC
Coord arcsec 2000
18 02 49.52 +75 47 22.3
Date first
1833
Date last
2013
Obs
19
Pa first
293
Pa last
282
P.A. Now (θ)
282°
Sep first
18.8
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
9.97
Mag sec
8.10
delta mag (ΔM)
1.87
Spectral class
Pri motion ra
-012
Sec motion ra
-009
Pri motion dec
+041
Sec motion dec
+040
Notes
N (See Notes)
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
18028+7547 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 8999 18028+7547 STF2302 AB 1833 2013 27 249 5.0 7.03 9.97 2.94
Show 8999 18028+7547 STF2302 AC 1833 2013 38 277 22.9 7.03 9.66 2.63
Show 8999 18028+7547 STF2302 BC 1833 2013 19 282 18.9 9.97 8.10 1.87 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
A0
Constellation
Draco
SAO
8999
HIP
88379
Tycho2
4570-02411-1
HD
166655
BD
BD+75 655
Distance
141.04
Distance ly
460.07
last precise pa
282
last precise sep
18.9