18569+5645 STF2433AC

 
 
18h 56m 55.18s +56 44' 57.4" P.A. 139 sep 39.5 mag 7.17,12.65 Sp F2V
 
 
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 18569+5645 STF2433 AB 1834 2006 17 124 7.5 7.17 10.09 2.92
Show 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
Cdsa2 id
STF 2433 AC
Constellation
Draco
Ra deg
18.94866111111111
De deg
56.74927777777778
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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