17048+2805 STF2120AC

 
 
17h 04m 45.80s +28 05' 27.7" P.A. 174 sep 145 mag 7.37,10.36 Sp K0III dist. 147.06 pc (479.71 l.y.)
 
 
Coord 2000
17048+2805
Discov num
STF2120
Comp
AC
Coord arcsec 2000
17 04 45.80 +28 05 27.7
Date first
1893
Date last
2012
Obs
13
Pa first
174
Pa last
174
P.A. Now (θ)
174°
Sep first
145.9
Sep last
145.0
Sep. Now (ρ)
145"
Mag pri
7.37
Mag sec
10.36
delta mag (ΔM)
2.99
Spectral class
K0III (yellow-orange)
Pri motion ra
+006
Sec motion ra
-008
Pri motion dec
+007
Sec motion dec
+014
Notes
N (See Notes)
rPM=0.971
This double is not physical.
 
 
17048+2805 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84810 17048+2805 STF2120 AB 1782 2013 224 231 24.1 7.37 9.25 1.88
Show 84810 17048+2805 STF2120 AC 1893 2012 13 174 145.0 7.37 10.36 2.99 <===
Show 84810 17048+2805 FYM 171 AE 2013 2013 1 135 26.6 7.37 12.20 4.83
Show 84810 17048+2805 FYM 171 BF 1999 2013 2 287 6.9 7.80 10.90 3.10
Show 17048+2805 WAL 76 CD 1944 2012 4 43 24.8 10.36 13.63 3.27
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174
Precise sep
144.99
Constellation
Hercules
SAO
84810
HIP
83568
Tycho2
2068-01565-1
HD
154510
BD
BD+28 2661
Distance
147.06
Distance ly
479.71
last precise pa
174
last precise sep
144.99
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17048+2805 STF2120 AC 2006 10 175 145.3 7.37 10.36 D 170445.80+280527.7
17048+2805 STF2120 AC 2008 11 174 145.2 7.37 10.36 D 170445.80+280527.7
17048+2805 STF2120 AC 2012 13 174 145.0 7.37 10.36 K0III N 170445.80+280527.7

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