16362+5255 STF2078AB (17 Dra)

 
 
16h 36m 13.72s +52 55' 27.8" P.A. 103 sep 3.1 mag 5.38,6.42 Sp B9.5V dist. 126.42 pc (412.38 l.y.)
 
 
Coord 2000
16362+5255
Discov num
STF2078
Comp
AB
Coord arcsec 2000
16 36 13.72 +52 55 27.8
Date first
1781
Date last
2016
Obs
184
Pa first
114
Pa last
103
P.A. Now (θ)
103°
Sep first
4.0
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
5.38
Mag sec
6.42
delta mag (ΔM)
1.04
Spectral class
B9.5V (blue-white)
Pri motion ra
-012
Sec motion ra
-016
Pri motion dec
+027
Sec motion dec
+032
Notes
N (See Notes)
rPM=0.179 (< 0.3, Physical double)
This double is physical.
 
 
16362+5255 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17 Dra 30013 16362+5255 STF2078 AB 1781 2016 184 103 3.1 5.38 6.42 1.04 <===
Show 30013 16362+5255 STFA 30 AC 1823 2016 83 193 89.3 5.38 5.50 0.12
Show 30013 16362+5255 STFA 30 BC 1832 2015 46 197 91.5 6.42 5.50 0.92
Show 30012 16362+5255 STFA 30 CD 1879 2003 7 123 123.9 5.50 11.19 5.69
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
103.4
Precise sep
3.086
Name
17 Dra
Constellation
Draco
SAO
30013
HIP
81292
Tycho2
3879-02960-2
HD
150117
HR
6185
GC
22352
BD
BD+53 1876
Flamsteed
17 Draconis
Flamsteed name
17 Dra
Distance
126.42
Distance ly
412.38
last precise pa
103.4
last precise sep
3.086
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16362+5255 STF2078 AB 2007 152 106 3.0 5.38 6.42 B9.5V N D 163613.73+525527.7
16362+5255 STF2078 AB 2008 154 106 3.0 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2009 164 109 3.3 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2010 166 104 3.0 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2011 168 106 2.9 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2013 172 104 3.1 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2014 172 104 3.2 5.38 6.42 B9.5V N D 163613.72+525527.8
16362+5255 STF2078 AB 2015 175 104 3.1 5.38 6.42 B9.5V N 163613.72+525527.8
16362+5255 STF2078 AB 2016 184 103 3.1 5.38 6.42 B9.5V N 163613.72+525527.8

If you need more information about this double, apply for a data request form to the WDS.