17490+2450 J   754AC

 
 
17h 49m 00.69s +24 50' 19.9" P.A. 302 sep 41.1 mag 9.72,12.84 Sp A7
 
 
Coord 2000
17490+2450
Discov num
J   754
Comp
AC
Coord arcsec 2000
17 49 00.69 +24 50 19.9
Date first
1895
Date last
2011
Obs
6
Pa first
302
Pa last
302
P.A. Now (θ)
302°
Sep first
39.9
Sep last
41.1
Sep. Now (ρ)
41.1"
Mag pri
9.72
Mag sec
12.84
delta mag (ΔM)
3.12
Spectral class
A7 (white)
Pri motion ra
-004
Sec motion ra
-015
Pri motion dec
-012
Sec motion dec
+003
Notes
rPM=1.216
This double is not physical.
 
 
17490+2450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85438 17490+2450 J 754 AB 1912 2014 28 49 1.7 9.72 10.72 1.00
Show 85438 17490+2450 J 754 AC 1895 2011 6 302 41.1 9.72 12.84 3.12 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.4
Precise sep
41.11
Constellation
Hercules
SAO
85438
Tycho2
2081-01596-1
last precise pa
302.4
last precise sep
41.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17490+2450 J 754 AC 2000 4 302 41.2 9.72   A7 D 174900.69+245019.9
17490+2450 J 754 AC 2011 5 302 41.1 9.72   A7 D 174900.69+245019.9

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