17165+3448 POP  77AC

 
 
17h 16m 30.78s +34 49' 02.7" P.A. 343 sep 62.3 mag 10.91,11.43
 
 
Coord 2000
17165+3448
Discov num
POP  77
Comp
AC
Coord arcsec 2000
17 16 30.78 +34 49 02.7
Date first
1934
Date last
2014
Obs
13
Pa first
341
Pa last
343
P.A. Now (θ)
343°
Sep first
65.3
Sep last
62.3
Sep. Now (ρ)
62.3"
Mag pri
10.91
Mag sec
11.43
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
-058
Sec motion ra
-012
Pri motion dec
+018
Sec motion dec
-004
Notes
L (Linear solution)
rPM=0.84
This double is not physical.
 
 
17165+3448 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17165+3448 POP 77 AB 1972 2014 15 322 5.5 10.91 13.60 2.69
Show 17165+3448 POP 77 AC 1934 2014 13 343 62.3 10.91 11.43 0.52 <===
Show 17165+3448 POP 77 CD 1986 2014 8 81 10.2 11.43 13.70 2.27
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.8
Precise sep
62.34
Constellation
Hercules
Tycho2
2600-00911-1
last precise pa
342.8
last precise sep
62.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17165+3448 POP 77 AC 1998 10 342 63.1 10.91 11.43 LD 171630.78+344902.7
17165+3448 POP 77 AC 2002 11 344 57.7 10.91 11.43 LD 171630.78+344902.7
17165+3448 POP 77 AC 2012 12 343 62.5 10.91 11.43 L 171630.78+344902.7
17165+3448 POP 77 AC 2014 13 343 62.3 10.91 11.43 L 171630.78+344902.7

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