17254-5623 HJ 4942AB (Gam Ara)

 
 
17h 25m 23.66s -56 22' 39.7" P.A. 326 sep 18.4 mag 3.32,10.21 Sp B1Ib dist. 341.3 pc (1113.32 l.y.)
 
 
Coord 2000
17254-5623
Discov num
HJ 4942
Comp
AB
Coord arcsec 2000
17 25 23.66 -56 22 39.7
Date first
1835
Date last
2016
Obs
14
Pa first
324
Pa last
326
P.A. Now (θ)
326°
Sep first
18.0
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
3.32
Mag sec
10.21
delta mag (ΔM)
6.89
Spectral class
B1Ib (blue-white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17254-5623 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Gam Ara 244726 17254-5623 HJ 4942 AB 1835 2016 14 326 18.4 3.32 10.21 6.89 <===
Show 244726 17254-5623 HJ 4942 AC 1836 2016 7 64 41.2 3.32 12.16 8.84
Show 244726 17254-5623 ANT 5 AD 1998 2008 3 39 47.2 3.32 12.00 8.68
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.1
Precise sep
18.42
Name
Gam Ara
Constellation
Ara
SAO
244726
HIP
85267
HD
157246
HR
6462
GC
23517
CP
CP-56 8225
Bayer
Gamma Arae
Bayer name
Gam Ara
Distance
341.3
Distance ly
1113.32
last precise pa
326.1
last precise sep
18.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17254-5623 HJ 4942 AB 2002 12 328 17.8 3.32 10.21 B1Ib N D 172523.66-562239.7
17254-5623 HJ 4942 AB 2008 13 326 18.1 3.32 10.21 B1Ib N D 172523.66-562239.7
17254-5623 HJ 4942 AB 2016 14 326 18.4 3.32 10.21 B1Ib N 172523.66-562239.7

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