10172-7252 HEI 494AB

 
 
10h 17m 13.17s -72 52' 05.6" P.A. 104 sep 0.3 mag 9.78,10.59 Sp A8V dist. 193.8 pc (632.18 l.y.)
 
 
Coord 2000
10172-7252
Discov num
HEI 494
Comp
AB
Coord arcsec 2000
10 17 13.17 -72 52 05.6
Date first
1989
Date last
2017
Obs
7
Pa first
102
Pa last
104
P.A. Now (θ)
104°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.78
Mag sec
10.59
delta mag (ΔM)
0.81
Spectral class
A8V (white)
Pri motion ra
-027
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
10172-7252 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10172-7252 HEI 494 AB 1989 2017 7 104 0.3 9.78 10.59 0.81 <===
Show 10172-7252 HEI 494 AC 2015 2017 4 301 0.7 9.10 12.10 3.00
Show 10172-7252 HEI 494 Ca,Cb 2015 2017 4 135 0.1 12.50 13.40 0.90
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104
Precise sep
0.268
Constellation
Carina
HIP
50381
Tycho2
9218-01750-1
HD
89599
CP
CP-72 926
Distance
193.8
Distance ly
632.18
last precise pa
104
last precise sep
0.268
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10172-7252 HEI 494 AB 2015 6 105 0.3 9.78 10.59 A8V 101713.17-725205.6
10172-7252 HEI 494 AB 2017 7 104 0.3 9.78 10.59 A8V 101713.17-725205.6

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