18130+4251 ES  473BC

 
 
18h 13m 05.15s +42 51' 00.3" P.A. 173 sep 22.4 mag 10.48,11.90 Sp F5
 
 
Coord 2000
18130+4251
Discov num
ES  473
Comp
BC
Coord arcsec 2000
18 13 05.15 +42 51 00.3
Date first
1907
Date last
2017
Obs
6
Pa first
158
Pa last
173
P.A. Now (θ)
173°
Sep first
9.6
Sep last
22.4
Sep. Now (ρ)
22.4"
Mag pri
10.48
Mag sec
11.90
delta mag (ΔM)
1.42
Spectral class
F5 (yellow-white)
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
+007
Sec motion dec
-102
Notes
N (See Notes)
rPM=1.067
This double is not physical.
 
 
18130+4251 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47311 18130+4251 ES 473 AB 1893 2017 19 99 30.8 10.16 10.48 0.32
Show 47311 18130+4251 SLV 6 AC 1962 2017 4 130 42.8 10.16 11.90 1.74
Show 47314 18130+4251 ES 473 BC 1907 2017 6 173 22.4 10.48 11.90 1.42 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
173.3
Precise sep
22.39
Constellation
Hercules
SAO
47314
Tycho2
3111-00876-1
last precise pa
173.3
last precise sep
22.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18130+4251 ES 473 BC 1998 4 172 20.5 10.48 12.00 N 181305.15+425100.3
18130+4251 ES 473 BC 2003 5 172 20.9 10.48 11.90 N D 181305.15+425100.3
18130+4251 ES 473 BC 2017 6 173 22.4 10.48 11.90 F5 N 181305.15+425100.3

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