16359-2813 RIZ  18 (Tau Sco)

 
 
16h 35m 52.96s -28 12' 57.5" P.A. 71 mag 2.90,5.80 Sp B0.2V dist. 145.35 pc (474.13 l.y.)
 
 
Coord 2000
16359-2813
Discov num
RIZ  18
Comp
Coord arcsec 2000
16 35 52.96 -28 12 57.5
Date first
2010
Date last
2010
Obs
1
Pa first
71
Pa last
71
P.A. Now (θ)
71°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
2.90
Mag sec
5.80
delta mag (ΔM)
2.9
Spectral class
B0.2V (blue-white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
70.9
Precise sep
0.022
Name
Tau Sco
Constellation
Scorpius
SAO
184481
HIP
81266
Tycho2
6807-01012-1
HD
149438
HR
6165
GC
22303
CD
CD-2711015
CP
CP-27 5427
Bayer
Tau Scorpii
Bayer name
Tau Sco
Flamsteed
23 Scorpii
Flamsteed name
23 Sco
Distance
145.35
Distance ly
474.13
last precise pa
70.9
last precise sep
0.022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16359-2813 RIZ 18 2010 1 71 0.0 2.90 5.80 B0.2V 163552.96-281257.5

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