18277+1918 STF2319BC

 
 
18H 27M 43.88S +19 17' 38.6" P.A. 274 SEP 42.7 MAG 8.23,10.74 SP F5 DIST. 161.29 PC (526.13 L.Y.)
 
 
Coord 2000
18277+1918
Discov num
STF2319
Comp
BC
Coord arcsec 2000
18 27 43.88 +19 17 38.6
Date first
1831
Date last
2006
Obs
29
Pa first
295
Pa last
274
P.A. Now (θ)
274°
Sep first
40.7
Sep last
42.7
Sep. Now (ρ)
42.7"
Mag pri
8.23
Mag sec
10.74
delta mag (ΔM)
2.51
Spectral class
F5 (yellow-white)
Pri motion ra
+024
Sec motion ra
-008
Pri motion dec
+022
Sec motion dec
-013
Notes
rPM=1.457
This double is not physical.
 
 
18277+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 103740 18277+1918 STF2319 AB 1825 2012 113 190 5.4 8.41 8.23 0.18
Show 103740 18277+1918 STF2319 AC 1829 2012 33 269 43.0 8.41 10.74 2.33
Show 103740 18277+1918 STF2319 AD 1896 2012 10 71 157.0 8.41 9.17 0.76
Show 103739 18277+1918 STF2319 BC 1831 2006 29 274 42.7 8.23 10.74 2.51 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
103739
HIP
90479
Tycho2
1577-01902-1
HD
170267
BD
BD+19 3651
Distance
161.29
Distance ly
526.13
last precise pa
274
last precise sep
42.7