17039+5314 STTA151AB

 
 
17H 03M 55.75S +53 13' 52.4" P.A. 171 SEP 88.4 MAG 7.93,9.34 SP K0 DIST. 274.73 PC (896.17 L.Y.)
 
 
Coord 2000
17039+5314
Discov num
STTA151
Comp
AB
Coord arcsec 2000
17 03 55.75 +53 13 52.4
Date first
1875
Date last
2015
Obs
22
Pa first
173
Pa last
171
P.A. Now (θ)
171°
Sep first
78.2
Sep last
88.4
Sep. Now (ρ)
88.4"
Mag pri
7.93
Mag sec
9.34
delta mag (ΔM)
1.41
Spectral class
K0 (yellow-orange)
Pri motion ra
+001
Sec motion ra
+018
Pri motion dec
+034
Sec motion dec
-031
Notes
W
Nature of this double is uncertain.
 
 
17039+5314 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30225 17039+5314 MLR 603 Aa,Ab 1982 1991 3 351 0.3 8.09 10.54 2.45
Show 30225 17039+5314 STTA151 AB 1875 2015 22 171 88.4 7.93 9.34 1.41 <===
Show 30226 17039+5314 STTA151 BC 1905 2003 3 357 21.9 9.32 12.40 3.08
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30225
HIP
83501
Tycho2
3886-00907-1
HD
154650
BD
BD+53 1915
Distance
274.73
Distance ly
896.17
last precise pa
171.4
last precise sep
88.42