15551-4601 HJ 4817AB

 
 
15h 55m 05.40s -46 00' 36.4" P.A. 293 sep 13.1 mag 11.20,11.67 Sp A
 
 
Coord 2000
15551-4601
Discov num
HJ 4817
Comp
AB
Coord arcsec 2000
15 55 05.40 -46 00 36.4
Date first
1834
Date last
2015
Obs
9
Pa first
293
Pa last
293
P.A. Now (θ)
293°
Sep first
10.0
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
11.20
Mag sec
11.67
delta mag (ΔM)
0.47
Spectral class
A (white)
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-001
Sec motion dec
-001
Notes
rPM=1.342
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 2015 9 293 13.1 11.20 11.67 0.47 <===
Show 15551-4601 HJ 4817 BC 1834 2015 9 323 10.1 11.67 12.40 0.73
Show 15551-4601 HJ 4817 BD 1902 2015 7 274 11.1 11.67 11.84 0.17
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.7
Precise sep
13.083
Constellation
Norma
Tycho2
8309-01223-1
Gaia DR2
5988127074376708736
HD
327648
 
 
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 AB 1930 5 193 13.1 11.20 11.82 155505.40-460036.4
15551-4601 HJ 4817 AB 1999 6 293 13.1 11.20 11.80 D 155505.40-460036.4
15551-4601 HJ 4817 AB 2010 9 293 12.8 11.20 11.67 A 155505.40-460036.4
15551-4601 HJ 4817 AB 2015 9 293 13.1 11.20 11.67 A 155505.40-460036.4

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