19164-2521 HJ 5101AB

 
 
19h 16m 23.90s -25 20' 31.8" P.A. 305 sep 21.4 mag 8.65,9.66 Sp B9/A0V
 
 
Coord 2000
19164-2521
Discov num
HJ 5101
Comp
AB
Coord arcsec 2000
19 16 23.90 -25 20 31.8
Date first
1834
Date last
2010
Obs
17
Pa first
312
Pa last
305
P.A. Now (θ)
305°
Sep first
20.0
Sep last
21.4
Sep. Now (ρ)
21.4"
Mag pri
8.65
Mag sec
9.66
delta mag (ΔM)
1.01
Spectral class
B9/A0V (blue-white)
Pri motion ra
+003
Sec motion ra
+002
Pri motion dec
-017
Sec motion dec
-017
Notes
N (See Notes)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
19164-2521 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19164-2521 HJ 5101 Aa,Ab 2016 2017 2 128 0.7 8.80 10.60 1.80
Show 19164-2521 HJ 5101 AB 1834 2010 17 305 21.4 8.65 9.66 1.01 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305
Precise sep
21.44
Cdsa2 id
HJ 5101 AB
Constellation
Sagittarius
Ra deg
19.273305555555556
De deg
-25.342166666666664
last precise pa
305
last precise sep
21.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19164-2521 HJ 5101 AB 2010 17 305 21.4 8.65 9.66 B9/A0V N 191623.90-252031.8

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