17519+0254 STF2233AC

 
 
17h 51m 52.55s +02 53' 59.4" P.A. 139 sep 23.7 mag 8.30,14.40 Sp A0 dist. 249.38 pc (813.48 l.y.)
 
 
Coord 2000
17519+0254
Discov num
STF2233
Comp
AC
Coord arcsec 2000
17 51 52.55 +02 53 59.4
Date first
1905
Date last
2002
Obs
5
Pa first
142
Pa last
139
P.A. Now (θ)
139°
Sep first
22.6
Sep last
23.7
Sep. Now (ρ)
23.7"
Mag pri
8.30
Mag sec
14.40
delta mag (ΔM)
6.1
Spectral class
A0 (white)
Pri motion ra
-015
Sec motion ra
-007
Pri motion dec
-009
Sec motion dec
-014
Notes
rPM=0.539
Nature of this double is uncertain.
 
 
17519+0254 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17519+0254 STF2233 AB 1832 2002 18 65 2.2 8.30 10.55 2.25
Show 17519+0254 STF2233 AC 1905 2002 5 139 23.7 8.30 14.40 6.10 <===
Show 17519+0254 STF2233 AD 1905 2002 5 232 30.1 8.30 14.00 5.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.4
Precise sep
23.71
Constellation
Ophiuchus
HIP
87417
Tycho2
0420-00321-1
HD
162628
BD
BD+02 3415
Distance
249.38
Distance ly
813.48
last precise pa
139.4
last precise sep
23.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17519+0254 STF2233 AC 2002 4 139 23.7 8.30 14.40 A0 D 175152.55+025359.4

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