16397-5700 HJ 4866 (R Ara)

 
 
16h 39m 44.71s -56 59' 39.8" P.A. 123 sep 3.7 mag 7.23,7.79 Sp B9IV/V dist. 124.07 pc (404.72 l.y.)
 
 
Coord 2000
16397-5700
Discov num
HJ 4866
Comp
Coord arcsec 2000
16 39 44.71 -56 59 39.8
Date first
1835
Date last
2016
Obs
23
Pa first
128
Pa last
123
P.A. Now (θ)
123°
Sep first
3.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
7.23
Mag sec
7.79
delta mag (ΔM)
0.56
Spectral class
B9IV/V (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-013
Sec motion dec
-013
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.8
Precise sep
3.65
Other name
R Ara
Var name
R Ara
Constellation
Ara
SAO
244037
HIP
81589
Tycho2
8720-02094-2
HD
149730
GC
22364
CD
CD-56 6482
CP
CP-56 7804
Distance
124.07
Distance ly
404.72
last precise pa
122.8
last precise sep
3.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16397-5700 HJ 4866 1999 21 120 3.3 7.23 7.79 B9IV/V N D 163944.71-565939.8
16397-5700 HJ 4866 2016 23 123 3.7 7.23 7.79 B9IV/V N 163944.71-565939.8

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