17419+7209 STF2241AC

 
 
17h 41m 56.36s +72 08' 55.8" P.A. 107 sep 78.1 mag 4.60,11.05 Sp F5IV dist. 22.84 pc (74.5 l.y.)
 
 
Coord 2000
17419+7209
Discov num
STF2241
Comp
AC
Coord arcsec 2000
17 41 56.36 +72 08 55.8
Date first
1857
Date last
2004
Obs
14
Pa first
128
Pa last
107
P.A. Now (θ)
107°
Sep first
101.5
Sep last
78.1
Sep. Now (ρ)
78.1"
Mag pri
4.60
Mag sec
11.05
delta mag (ΔM)
6.45
Spectral class
F5IV (yellow-white)
Pri motion ra
+027
Sec motion ra
-024
Pri motion dec
-270
Sec motion dec
-022
Notes
N L (See Notes, Linear solution)
rPM=0.933
This double is not physical.
 
 
17419+7209 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Dziban 8890 17419+7209 STF2241 AB 1800 2016 176 16 30.1 4.60 5.59 0.99 Y
Show 8890 17419+7209 STF2241 AC 1857 2004 14 107 78.1 4.60 11.05 6.45 <===
Show 8890 17419+7209 STF2241 AD 1905 2004 3 66 105.9 4.60 12.98 8.38
Show 8890 17419+7209 PIN 11 AE 1999 1999 1 144 69.0 3.50 14.18 10.68
Show 17419+7209 STF2241 CD 1908 2004 3 18 69.2 11.05 12.98 1.93
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.7
Precise sep
78.09
Constellation
Draco
SAO
8890
HIP
86614
Tycho2
4436-01425-1
HD
162003
HR
6636
GC
24089
GL
Gl 694.1A
BD
BD+72 804
Bayer
Psi Draconis
Bayer name
Psi Dra
Flamsteed
31 Draconis
Flamsteed name
31 Dra
Distance
22.84
Distance ly
74.5
last precise pa
106.7
last precise sep
78.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17419+7209 STF2241 AC 1999 12 108 79.2 4.60 11.10 F5IV N D 174156.31+720858.2
17419+7209 STF2241 AC 2004 13 107 78.1 4.60 11.30 F5IV NUD 174156.31+720858.2

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