17011-4204 B  1841

 
 
17h 01m 06.06s -42 04' 18.3" P.A. 30 sep 0.1 mag 7.64,8.84 Sp B8II dist. 540.54 pc (1763.24 l.y.)
 
 
Coord 2000
17011-4204
Discov num
B  1841
Comp
Coord arcsec 2000
17 01 06.06 -42 04 18.3
Date first
1931
Date last
2015
Obs
10
Pa first
346
Pa last
30
P.A. Now (θ)
30°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.64
Mag sec
8.84
delta mag (ΔM)
1.2
Spectral class
B8II (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.6
Precise sep
0.062
Constellation
Scorpius
SAO
227552
HIP
83266
Tycho2
7877-01106-1
HD
153382
CD
CD-4111171
CP
CP-41 7814
Distance
540.54
Distance ly
1763.24
last precise pa
29.6
last precise sep
0.062
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17011-4204 B 1841 1992 6 2 0.1 7.64 8.84 B8II 170106.06-420418.3
17011-4204 B 1841 2009 8 17 0.1 7.64 8.84 B8II 170106.06-420418.3
17011-4204 B 1841 2014 9 28 0.1 7.64 8.84 B8II 170106.06-420418.3
17011-4204 B 1841 2015 10 30 0.1 7.64 8.84 B8II 170106.06-420418.3

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