16544-4150 HJ 4893AB

 
 
16h 54m 25.95s -41 49' 55.8" P.A. 53 sep 7 mag 7.44,9.60 Sp B
 
 
Coord 2000
16544-4150
Discov num
HJ 4893
Comp
AB
Coord arcsec 2000
16 54 25.95 -41 49 55.8
Date first
1897
Date last
2016
Obs
9
Pa first
51
Pa last
53
P.A. Now (θ)
53°
Sep first
7.8
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
7.44
Mag sec
9.60
delta mag (ΔM)
2.16
Spectral class
B (blue-white)
Pri motion ra
-015
Sec motion ra
-004
Pri motion dec
-009
Sec motion dec
+000
Notes
N (See Notes)
rPM=0.812
This double is not physical.
 
 
16544-4150 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227393 16544-4150 HJ 4893 AB 1897 2016 9 53 7.0 7.44 9.60 2.16 <===
Show 227393 16544-4150 SNA 55 AC 2011 2011 1 40 1.1 6.93 12.92 5.99
Show 227393 16544-4150 SNA 55 AD 2011 2011 1 324 3.4 6.93 12.63 5.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
53.2
Precise sep
7.03
Constellation
Scorpius
SAO
227393
Tycho2
7876-02319-1
HD
326331
last precise pa
53.2
last precise sep
7.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16544-4150 HJ 4893 AB 2013 8 51 7.0 7.44 9.60 B D 165425.95-414955.8
16544-4150 HJ 4893 AB 2016 9 53 7.0 7.44 9.60 B N 165425.95-414955.8

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