18475+1537 HU  584Aa,Ab

 
 
18h 47m 28.61s +15 36' 59.7" P.A. 5 sep 0.3 mag 10.03,10.02 Sp F5
 
 
Coord 2000
18475+1537
Discov num
HU  584
Comp
Aa,Ab
Coord arcsec 2000
18 47 28.61 +15 36 59.7
Date first
1902
Date last
2008
Obs
20
Pa first
31
Pa last
5
P.A. Now (θ)
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.03
Mag sec
10.02
delta mag (ΔM)
0.01
Spectral class
F5 (yellow-white)
Pri motion ra
+003
Sec motion ra
+001
Pri motion dec
-017
Sec motion dec
-019
Notes
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
18475+1537 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104102 18475+1537 HU 584 Aa,Ab 1902 2008 20 5 0.3 10.03 10.02 0.01 <===
Show 104102 18475+1537 GII 20 AB 2009 2009 1 103 8.1 9.33 12.80 3.47
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.7
Precise sep
0.345
Constellation
Hercules
SAO
104102
Tycho2
1583-01533-1
HD
229505
last precise pa
4.7
last precise sep
0.345
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18475+1537 HU 584 Aa,Ab 2008 20 5 0.3 10.03 10.02 F5 184728.61+153659.7

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