18515+1019 HJ  870AB

 
 
18h 51m 35.95s +10 19' 14.0" P.A. 219 sep 11.6 mag 9.75,12.00 Sp A0
 
 
Coord 2000
18515+1019
Discov num
HJ  870
Comp
AB
Coord arcsec 2000
18 51 35.95 +10 19 14.0
Date first
1827
Date last
2015
Obs
13
Pa first
230
Pa last
219
P.A. Now (θ)
219°
Sep first
10.0
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
9.75
Mag sec
12.00
delta mag (ΔM)
2.25
Spectral class
A0 (white)
Pri motion ra
+003
Sec motion ra
+001
Pri motion dec
+000
Sec motion dec
-005
Notes
rPM=1.056
This double is not physical.
 
 
18515+1019 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104187 18515+1019 HJ 870 AB 1827 2015 13 219 11.6 9.75 12.00 2.25 <===
Show 104187 18515+1019 HJ 870 AC 1909 2015 11 248 65.8 9.75 9.21 0.54
Show 18515+1019 BU 1464 CD 1879 2015 17 23 22.0 9.21 9.68 0.47
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219.1
Precise sep
11.56
Constellation
Aquila
SAO
104187
Tycho2
1030-00908-1
HD
174734
last precise pa
219.1
last precise sep
11.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18515+1019 HJ 870 AB 2002 11 219 11.5 9.75 12.00 D 185135.95+101914.0
18515+1019 HJ 870 AB 2015 13 219 11.6 9.75 12.00 A0 185135.95+101914.0

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