17222+2605 HO  414AC

 
 
17h 22m 09.89s +26 05' 12.4" P.A. 304 sep 30.8 mag 9.43,12.78 Sp G0
 
 
Coord 2000
17222+2605
Discov num
HO  414
Comp
AC
Coord arcsec 2000
17 22 09.89 +26 05 12.4
Date first
1893
Date last
2015
Obs
12
Pa first
305
Pa last
304
P.A. Now (θ)
304°
Sep first
30.8
Sep last
30.8
Sep. Now (ρ)
30.8"
Mag pri
9.43
Mag sec
12.78
delta mag (ΔM)
3.35
Spectral class
G0 (yellow)
Pri motion ra
-020
Sec motion ra
-021
Pri motion dec
-048
Sec motion dec
-025
Notes
rPM=0.443
Nature of this double is uncertain.
 
 
17222+2605 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85040 17222+2605 HO 414 AB 1891 2015 56 103 0.8 9.43 9.74 0.31
Show 85040 17222+2605 HO 414 AC 1893 2015 12 304 30.8 9.43 12.78 3.35 <===
Show 85040 17222+2605 SLE 23 AD 1982 1982 1 92 24.1 9.43 9.80 0.37
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.6
Precise sep
30.82
Constellation
Hercules
SAO
85040
Tycho2
2078-00262-1
HD
157429
last precise pa
303.6
last precise sep
30.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17222+2605 HO 414 AC 2000 6 303 30.8 9.43 12.00 G0 D 172209.89+260512.4
17222+2605 HO 414 AC 2011 8 304 30.8 9.43 12.00 G0 D 172209.89+260512.4
17222+2605 HO 414 AC 2012 10 303 30.9 9.43 12.00 G0 D 172209.89+260512.4
17222+2605 HO 414 AC 2014 11 303 30.7 9.43 12.78 G0 172209.89+260512.4
17222+2605 HO 414 AC 2015 12 304 30.8 9.43 12.78 G0 172209.89+260512.4

If you need more information about this double, apply for a data request form to the WDS.