17592+6409 STF2273AD

 
 
17H 59M 13.71S +64 08' 33.1" P.A. 337 SEP 15 MAG 7.31,14.70 SP F4V DIST. 73.1 PC (238.45 L.Y.)
 
 
Coord 2000
17592+6409
Discov num
STF2273
Comp
AD
Coord arcsec 2000
17 59 13.71 +64 08 33.1
Date first
1921
Date last
2004
Obs
3
Pa first
341
Pa last
337
P.A. Now (θ)
337°
Sep first
18.9
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
7.31
Mag sec
14.70
delta mag (ΔM)
7.39
Spectral class
F4V (yellow-white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17592+6409 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17717 17592+6409 STF2273 AB 1823 2015 55 283 21.4 7.31 7.63 0.32
Show 17717 17592+6409 STF2273 AC 1988 2010 4 276 43.0 7.31 12.70 5.39
Show 17717 17592+6409 STF2273 AD 1921 2004 3 337 15.0 7.31 14.70 7.39 <===
Show 17717 17592+6409 STF2273 BC 1903 2004 6 271 22.5 7.63 12.70 5.07
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
17717
HIP
88071
Tycho2
4208-01817-1
HD
164984
BD
BD+64 1237
Distance
73.1
Distance ly
238.45
last precise pa
337.1
last precise sep
14.986