18239+5848 STF2323BC

 
 
18h 23m 54.53s +58 48' 06.5" P.A. 20 sep 86.5 mag 8.07,7.95 Sp F5V
 
 
Coord 2000
18239+5848
Discov num
STF2323
Comp
BC
Coord arcsec 2000
18 23 54.53 +58 48 06.5
Date first
1836
Date last
2017
Obs
36
Pa first
22
Pa last
20
P.A. Now (θ)
20°
Sep first
86.0
Sep last
86.5
Sep. Now (ρ)
86.5"
Mag pri
8.07
Mag sec
7.95
delta mag (ΔM)
0.12
Spectral class
F5V (yellow-white)
Pri motion ra
-038
Sec motion ra
-041
Pri motion dec
+062
Sec motion dec
+061
Notes
N (See Notes)
rPM=0.085 (< 0.3, Physical double)
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 2017 133 348 3.7 5.06 8.07 3.01 Y
Show 18239+5848 STF2323 AC 1823 2017 64 19 89.1 5.06 7.95 2.89
Show 18239+5848 STF2323 AF 1910 2008 3 80 150.5 5.06 12.90 7.84
Show 18239+5848 STF2323 AG 1918 2003 3 244 35.8 5.06 13.30 8.24
Show 18239+5848 STF2323 AH 1918 2000 2 93 44.2 5.06 14.40 9.34
Show 18239+5848 STF2323 BC 1836 2017 36 20 86.5 8.07 7.95 0.12 <===
Show 18239+5848 STF2323 CD 1880 2015 7 68 198.2 7.90 11.00 3.10
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
K1
Tycho2
3645-01057-1
last precise pa
19.5
last precise sep
86.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239+5848 STF2323 BC 2000 33 21 85.6 7.90 7.30 N D 182354.53+584806.5
18239+5848 STF2323 BC 2003 34 20 88.7 8.07 7.95 N D 182354.53+584806.5
18239+5848 STF2323 BC 2015 35 19 88.5 8.07 7.95 F5V N 182354.53+584806.5
18239+5848 STF2323 BC 2017 36 20 86.5 8.07 7.95 F5V N 182354.53+584806.5

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