18569+5645 STF2433AB

 
 
18h 56m 55.18s +56 44' 57.4" P.A. 122 sep 7.4 mag 7.17,10.09 Sp F2V dist. 141.24 pc (460.72 l.y.)
 
 
Coord 2000
18569+5645
Discov num
STF2433
Comp
AB
Coord arcsec 2000
18 56 55.18 +56 44 57.4
Date first
1834
Date last
2017
Obs
19
Pa first
128
Pa last
122
P.A. Now (θ)
122°
Sep first
7.4
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
7.17
Mag sec
10.09
delta mag (ΔM)
2.92
Spectral class
F2V (yellow-white)
Pri motion ra
+037
Sec motion ra
+037
Pri motion dec
+041
Sec motion dec
+041
Notes
Nature of this double is uncertain.
 
 
18569+5645 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18569+5645 STF2433 AB 1834 2017 19 122 7.4 7.17 10.09 2.92 <===
Show 18569+5645 STF2433 AC 1905 2015 6 140 39.5 7.17 12.65 5.48
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.6
Precise sep
7.43
Constellation
Draco
SAO
31286
HIP
93013
Tycho2
3927-01050-1
Gaia DR2
30566804992
HD
176409
BD
BD+56 2167
Distance
141.24
Distance ly
460.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18569+5645 STF2433 AB 2006 16 124 7.5 7.17 10.09 F2V D 185655.18+564457.4
18569+5645 STF2433 AB 2017 19 122 7.4 7.17 10.09 F2V 185655.18+564457.4

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