18491+1313 STF2399AB

 
 
18h 49m 07.37s +13 12' 54.1" P.A. 118 sep 15.8 mag 8.83,9.48 Sp A0
 
 
Coord 2000
18491+1313
Discov num
STF2399
Comp
AB
Coord arcsec 2000
18 49 07.37 +13 12 54.1
Date first
1829
Date last
2014
Obs
26
Pa first
120
Pa last
118
P.A. Now (θ)
118°
Sep first
15.8
Sep last
15.8
Sep. Now (ρ)
15.8"
Mag pri
8.83
Mag sec
9.48
delta mag (ΔM)
0.65
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
+003
Pri motion dec
-007
Sec motion dec
-006
Notes
rPM=0.316
Nature of this double is uncertain.
 
 
18491+1313 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104131 18491+1313 STF2399 AB 1829 2014 26 118 15.8 8.83 9.48 0.65 <===
Show 104131 18491+1313 STF2399 AC 1829 2014 18 48 31.1 8.83 11.10 2.27
Show 104133 18491+1313 STF2399 BC 1829 2014 18 18 29.7 9.48 11.10 1.62
Show 104133 18491+1313 STF2399 BD 1843 2014 10 69 42.2 9.48 12.18 2.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.7
Precise sep
15.83
Constellation
Hercules
SAO
104131
Tycho2
1038-00739-1
HD
174238
last precise pa
117.7
last precise sep
15.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18491+1313 STF2399 AB 2004 23 118 15.8 8.83 9.48 A0 D 184907.37+131254.1
18491+1313 STF2399 AB 2014 26 118 15.8 8.83 9.48 A0 D 184907.37+131254.1

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