17482-4404 DON 865AB

 
 
17h 48m 09.64s -44 04' 19.2" P.A. 54 sep 1.9 mag 10.78,14.80 Sp A0/2IV/V
 
 
Coord 2000
17482-4404
Discov num
DON 865
Comp
AB
Coord arcsec 2000
17 48 09.64 -44 04 19.2
Date first
1931
Date last
1948
Obs
3
Pa first
57
Pa last
54
P.A. Now (θ)
54°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.78
Mag sec
14.80
delta mag (ΔM)
4.02
Spectral class
A0/2IV/V (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17482-4404 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17482-4404 DON 865 AB 1931 1948 3 54 1.9 10.78 14.80 4.02 <===
Show 17482-4404 CPO 555 AC 1904 1999 6 54 9.0 10.78 11.10 0.32
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
53.6
Precise sep
1.88
Constellation
Scorpius
Tycho2
7897-00718-1
HD
161532
last precise pa
53.6
last precise sep
1.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17482-4404 DON 865 AB 1948 3 54 1.9 10.78 14.80 A0/2IV/V 174809.64-440419.2

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