17100-1801 HU  168

 
 
17h 10m 00.73s -18 00' 55.6" P.A. 98 sep 0.4 mag 10.01,9.67 Sp G0/1V dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000
17100-1801
Discov num
HU  168
Comp
Coord arcsec 2000
17 10 00.73 -18 00 55.6
Date first
1900
Date last
1991
Obs
7
Pa first
109
Pa last
98
P.A. Now (θ)
98°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.01
Mag sec
9.67
delta mag (ΔM)
0.34
Spectral class
G0/1V (yellow)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.5
Precise sep
0.445
Constellation
Ophiuchus
SAO
160325
HIP
83978
Tycho2
6236-00757-1
HD
155063
BD
BD-17 4731
Distance
132.28
Distance ly
431.5
last precise pa
97.5
last precise sep
0.445
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17100-1801 HU 168 1991 7 98 0.4 10.01 9.67 G0/1V D 171000.73-180055.6

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