17378-2323 HLD  30AB

 
 
17h 37m 46.85s -23 23' 21.4" P.A. 109 sep 3.2 mag 8.66,10.03 Sp F3V dist. 156.49 pc (510.47 l.y.)
 
 
Coord 2000
17378-2323
Discov num
HLD  30
Comp
AB
Coord arcsec 2000
17 37 46.85 -23 23 21.4
Date first
1881
Date last
2001
Obs
23
Pa first
112
Pa last
109
P.A. Now (θ)
109°
Sep first
3.3
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
8.66
Mag sec
10.03
delta mag (ΔM)
1.37
Spectral class
F3V (yellow-white)
Pri motion ra
-037
Sec motion ra
-018
Pri motion dec
-027
Sec motion dec
-033
Notes
rPM=0.435
Nature of this double is uncertain.
 
 
17378-2323 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17378-2323 HLD 30 AB 1881 2001 23 109 3.2 8.66 10.03 1.37 <===
Show 17378-2323 HLD 30 AC 1909 2001 8 339 70.6 8.66 11.21 2.55
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.7
Precise sep
3.234
Constellation
Ophiuchus
HIP
86278
Tycho2
6827-00548-1
HD
159843
CD
CD-2313469
Distance
156.49
Distance ly
510.47
last precise pa
108.7
last precise sep
3.234
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17378-2323 HLD 30 AB 1998 21 108 2.8 8.66 10.03 F3V D 173746.85-232321.4
17378-2323 HLD 30 AB 2001 23 110 3.3 8.66 10.03 F3V D 173746.85-232321.4

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