18043+4206 ROE   1AB

 
 
18h 04m 16.91s +42 05' 45.0" P.A. 186 sep 24 mag 8.33,12.40 Sp A8III dist. 141.04 pc (460.07 l.y.)
 
 
Coord 2000
18043+4206
Discov num
ROE   1
Comp
AB
Coord arcsec 2000
18 04 16.91 +42 05 45.0
Date first
1893
Date last
2003
Obs
8
Pa first
188
Pa last
186
P.A. Now (θ)
186°
Sep first
22.0
Sep last
24.0
Sep. Now (ρ)
24"
Mag pri
8.33
Mag sec
12.40
delta mag (ΔM)
4.07
Spectral class
A8III (white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+029
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18043+4206 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47188 18043+4206 COU1786 Aa,Ab 1979 2009 33 1 0.2 8.33 9.11 0.78 Y
Show 47188 18043+4206 ROE 1 AB 1893 2003 8 186 24.0 8.33 12.40 4.07 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.1
Precise sep
24.04
Constellation
Hercules
SAO
47188
HIP
88498
Tycho2
3110-01491-1
HD
165503
BD
BD+42 2995
Distance
141.04
Distance ly
460.07
last precise pa
186.1
last precise sep
24.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18043+4206 ROE 1 AB 2003 7 186 24.0 8.33 12.40 A8III 180416.91+420545.0

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