18239+5848 STF2323AG

 
 
18h 23m 54.65s +58 48' 02.1" P.A. 244 sep 35.8 mag 5.06,13.30 Sp A1V dist. 56.47 pc (184.21 l.y.)
 
 
Coord 2000
18239+5848
Discov num
STF2323
Comp
AG
Coord arcsec 2000
18 23 54.65 +58 48 02.1
Date first
1918
Date last
2003
Obs
3
Pa first
255
Pa last
244
P.A. Now (θ)
244°
Sep first
36.1
Sep last
35.8
Sep. Now (ρ)
35.8"
Mag pri
5.06
Mag sec
13.30
delta mag (ΔM)
8.24
Spectral class
A1V (white)
Pri motion ra
-038
Sec motion ra
+005
Pri motion dec
+062
Sec motion dec
-016
Notes
N (See Notes)
rPM=1.225
This double is not 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
 
 
Precise pa
244.1
Precise sep
35.78
Other name
b Dra
Constellation
Draco
SAO
30949
HIP
90156
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
244.1
last precise sep
35.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239+5848 STF2323 AG 2000 2 245 36.2 5.06 14.40 A1V N D 182354.65+584802.1
18239+5848 STF2323 AG 2003 3 244 35.7 5.06 14.40 A1V N D 182354.65+584802.1

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