17299+1558 HDS2471Aa,Ab

 
 
17h 29m 51.43s +15 57' 50.7" P.A. 316 sep 0.2 mag 8.40,10.26 Sp F5 dist. 148.59 pc (484.7 l.y.)
 
 
Coord 2000
17299+1558
Discov num
HDS2471
Comp
Aa,Ab
Coord arcsec 2000
17 29 51.43 +15 57 50.7
Date first
1991
Date last
1991
Obs
1
Pa first
316
Pa last
316
P.A. Now (θ)
316°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.40
Mag sec
10.26
delta mag (ΔM)
1.86
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-035
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17299+1558 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 102862 17299+1558 HDS2471 Aa,Ab 1991 1991 1 316 0.2 8.40 10.26 1.86 <===
Show 102862 17299+1558 STT 330 AB 1843 2012 18 57 14.5 8.22 11.15 2.93
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316
Precise sep
0.248
Constellation
Hercules
SAO
102862
HIP
85626
Tycho2
1538-01327-1
HD
158656
BD
BD+16 3197
Distance
148.59
Distance ly
484.7
last precise pa
316
last precise sep
0.248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17299+1558 HDS2471 Aa,Ab 1991 1 316 0.2 8.40 10.26 F5 172951.43+155750.7

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