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 18515+1019 HJ 870 AB 1827 2015 13 219 11.6 9.75 12.00 2.25 <===
Show 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
Cdsa2 id
HJ 870 AB
Constellation
Aquila
Ra deg
18.859986111111112
De deg
10.320555555555556
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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