18239+5848 STF2323AC

 
 
18H 23M 54.65S +58 48' 02.1" P.A. 19 SEP 89.4 MAG 5.06,7.95 SP A1V DIST. 56.47 PC (184.21 L.Y.)
 
 
Coord 2000
18239+5848
Discov num
STF2323
Comp
AC
Coord arcsec 2000
18 23 54.65 +58 48 02.1
Date first
1823
Date last
2015
Obs
63
Pa first
22
Pa last
19
P.A. Now (θ)
19°
Sep first
90.2
Sep last
89.4
Sep. Now (ρ)
89.4"
Mag pri
5.06
Mag sec
7.95
delta mag (ΔM)
2.89
Spectral class
A1V (white)
Pri motion ra
-038
Sec motion ra
-041
Pri motion dec
+062
Sec motion dec
+061
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18239+5848 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 39 Dra 30949 18239+5848 STF2323 AB 1825 2015 132 348 3.7 5.06 8.07 3.01 Y
Show 30949 18239+5848 STF2323 AC 1823 2015 63 19 89.4 5.06 7.95 2.89 <===
Show 30949 18239+5848 STF2323 AF 1910 2008 3 80 150.5 5.06 12.90 7.84
Show 30949 18239+5848 STF2323 AG 1918 2003 3 244 35.8 5.06 13.30 8.24
Show 30949 18239+5848 STF2323 AH 1918 2000 2 93 44.2 5.06 14.40 9.34
Show 30949 18239+5848 STF2323 BC 1836 2015 35 19 88.5 8.07 7.95 0.12
Show 30950 18239+5848 STF2323 CD 1880 2003 6 68 198.2 7.90 11.00 3.10
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Other name
b Dra
Constellation
Draco
SAO
30949
HIP
90156
Tycho2
3916-01982-1
HD
170073
HR
6923
GC
25151
BD
BD+58 1809
Flamsteed
39 Draconis
Flamsteed name
39 Dra
Distance
56.47
Distance ly
184.21
last precise pa
19.2
last precise sep
89.4