17241-4425 DON 834

 
 
17h 24m 06.17s -44 24' 31.8" P.A. 21 sep 1.2 mag 10.49,13.00 Sp B9
 
 
Coord 2000
17241-4425
Discov num
DON 834
Comp
Coord arcsec 2000
17 24 06.17 -44 24 31.8
Date first
1932
Date last
1948
Obs
2
Pa first
19
Pa last
21
P.A. Now (θ)
21°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.49
Mag sec
13.00
delta mag (ΔM)
2.51
Spectral class
B9 (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.1
Precise sep
1.2
Constellation
Scorpius
Tycho2
7895-00046-1
last precise pa
21.1
last precise sep
1.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17241-4425 DON 834 1948 2 21 1.2 10.49 13.00 B9 172406.17-442431.8

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