17039+5314 MLR 603Aa,Ab

 
 
17H 03M 55.75S +53 13' 52.4" P.A. 351 SEP 0.3 MAG 8.09,10.54 SP K0 DIST. 274.73 PC (896.17 L.Y.)
 
 
Coord 2000
17039+5314
Discov num
MLR 603
Comp
Aa,Ab
Coord arcsec 2000
17 03 55.75 +53 13 52.4
Date first
1982
Date last
1991
Obs
3
Pa first
14
Pa last
351
P.A. Now (θ)
351°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.09
Mag sec
10.54
delta mag (ΔM)
2.45
Spectral class
K0 (yellow-orange)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+033
Sec motion dec
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
351
last precise sep
0.303