15551-4601 HJ 4817BC

 
 
15h 55m 04.24s -46 00' 31.4" P.A. 323 sep 10.1 mag 11.67,12.40
 
 
Coord 2000
15551-4601
Discov num
HJ 4817
Comp
BC
Coord arcsec 2000
15 55 04.24 -46 00 31.4
Date first
1834
Date last
1999
Obs
8
Pa first
319
Pa last
323
P.A. Now (θ)
323°
Sep first
5.0
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
11.67
Mag sec
12.40
delta mag (ΔM)
0.73
Spectral class
Pri motion ra
+002
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
+001
Notes
rPM=1.612
This double is not physical.
 
 
15551-4601 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15551-4601 HJ 4817 AB 1834 1999 8 293 13.1 11.20 11.67 0.47
Show 15551-4601 HJ 4817 BC 1834 1999 8 323 10.1 11.67 12.40 0.73 <===
Show 15551-4601 HJ 4817 BD 1902 1999 6 275 11.1 11.67 11.84 0.17
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323
Precise sep
10.12
Constellation
Norma
Tycho2
8309-01223-1
HD
327648
last precise pa
323
last precise sep
10.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15551-4601 HJ 4817 BC 1930 5 323 10.2 11.82 12.00 155506.74-460128.9
15551-4601 HJ 4817 BC 1999 6 323 10.1 11.80 12.40 D 155504.24-460031.4
15551-4601 HJ 4817 BC 2010 9 316 9.5 11.67 12.40 155504.24-460031.4

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