17313-3901 HWE  87

 
 
17h 31m 19.68s -39 01' 04.9" P.A. 233 sep 3.2 mag 7.44,9.01 Sp F6V dist. 99.7 pc (325.22 l.y.)
 
 
Coord 2000
17313-3901
Discov num
HWE  87
Comp
Coord arcsec 2000
17 31 19.68 -39 01 04.9
Date first
1876
Date last
2016
Obs
16
Pa first
230
Pa last
233
P.A. Now (θ)
233°
Sep first
2.0
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
7.44
Mag sec
9.01
delta mag (ΔM)
1.57
Spectral class
F6V (yellow-white)
Pri motion ra
+008
Sec motion ra
+008
Pri motion dec
+023
Sec motion dec
+023
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.6
Precise sep
3.16
Constellation
Scorpius
SAO
208903
HIP
85745
Tycho2
7884-00615-3
HD
158468
CD
CD-3811954
CP
CP-38 6873
Distance
99.7
Distance ly
325.22
last precise pa
232.6
last precise sep
3.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17313-3901 HWE 87 1991 13 232 3.2 7.44 9.01 F6V D 173119.68-390104.9
17313-3901 HWE 87 1998 14 231 3.3 7.44 9.01 F6V D 173119.68-390104.9
17313-3901 HWE 87 2010 15 232 3.1 7.44 9.01 F6V D 173119.68-390104.9
17313-3901 HWE 87 2016 16 233 3.2 7.44 9.01 F6V 173119.68-390104.9

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