17150+2450 BNU   5Aa,Ab

 
 
17h 15m 01.92s +24 50' 22.5" P.A. 7 sep 0.1 mag 3.14,4.40 Sp A3IV dist. 23.04 pc (75.16 l.y.)
 
 
Coord 2000
17150+2450
Discov num
BNU   5
Comp
Aa,Ab
Coord arcsec 2000
17 15 01.92 +24 50 22.5
Date first
1978
Date last
1989
Obs
5
Pa first
168
Pa last
7
P.A. Now (θ)
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
3.14
Mag sec
4.40
delta mag (ΔM)
1.26
Spectral class
A3IV (white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
-158
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17150+2450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84951 17150+2450 BNU 5 Aa,Ab 1978 1989 5 7 0.1 3.14 4.40 1.26 <===
Show Sarin 84951 17150+2450 STF3127 AB 1779 2013 219 288 12.7 3.12 8.30 5.18
Show 84951 17150+2450 STF3127 AC 1921 2013 7 353 174.2 3.12 10.45 7.33
Show 84951 17150+2450 STF3127 AD 1897 2009 9 93 191.6 3.12 10.59 7.47
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.4
Precise sep
0.056
Constellation
Hercules
SAO
84951
HIP
84379
Tycho2
2065-01930-1
HD
156164
HR
6410
GC
23294
GL
NN 3995A
BD
BD+25 3221
Bayer
Delta Herculis
Bayer name
Del Her
Flamsteed
65 Herculis
Flamsteed name
65 Her
Distance
23.04
Distance ly
75.16
last precise pa
7.4
last precise sep
0.056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17150+2450 BNU 5 Aa,Ab 1989 5 7 0.1 3.14 4.40 A3IV N D 171501.92+245022.5

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