18569+5645 STF2433AC

 
 
18h 56m 55.18s +56 44' 57.4" P.A. 139 sep 39.5 mag 7.17,12.65 Sp F2V dist. 141.24 pc (460.72 l.y.)
 
 
Coord 2000
18569+5645
Discov num
STF2433
Comp
AC
Coord arcsec 2000
18 56 55.18 +56 44 57.4
Date first
1905
Date last
2006
Obs
5
Pa first
126
Pa last
139
P.A. Now (θ)
139°
Sep first
36.0
Sep last
39.5
Sep. Now (ρ)
39.5"
Mag pri
7.17
Mag sec
12.65
delta mag (ΔM)
5.48
Spectral class
F2V (yellow-white)
Pri motion ra
+037
Sec motion ra
-017
Pri motion dec
+041
Sec motion dec
-048
Notes
rPM=1.885
This double is not physical.
 
 
18569+5645 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31286 18569+5645 STF2433 AB 1834 2006 17 124 7.5 7.17 10.09 2.92
Show 31286 18569+5645 STF2433 AC 1905 2006 5 139 39.5 7.17 12.65 5.48 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.7
Precise sep
39.5
Constellation
Draco
SAO
31286
HIP
93013
Tycho2
3927-01050-1
HD
176409
BD
BD+56 2167
Distance
141.24
Distance ly
460.72
last precise pa
138.7
last precise sep
39.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18569+5645 STF2433 AC 2006 4 139 39.5 7.17 12.10 F2V D 185655.18+564457.4

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