18405+3139 HO  437CD

 
 
18H 40M 26.61S +31 38' 37.0" P.A. 344 SEP 4.3 MAG 11.30,11.70 DIST. 168.07 PC (548.24 L.Y.)
 
 
Coord 2000
18405+3139
Discov num
HO  437
Comp
CD
Coord arcsec 2000
18 40 26.61 +31 38 37.0
Date first
1893
Date last
2006
Obs
15
Pa first
337
Pa last
344
P.A. Now (θ)
344°
Sep first
2.3
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
11.30
Mag sec
11.70
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18405+3139 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67238 18405+3139 HO 437 AB 1892 2007 39 134 0.3 9.00 7.71 1.29
Show 67238 18405+3139 HO 437 AC 1893 2014 8 272 39.9 9.00 11.30 2.30
Show 67238 18405+3139 HO 437 AE 1905 2006 5 288 22.1 9.00 15.20 6.20
Show 67238 18405+3139 HO 437 CD 1893 2006 15 344 4.3 11.30 11.70 0.40 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
A5
Constellation
Lyra
SAO
67238
HIP
91579
Tycho2
2637-01136-1
HD
172729
BD
BD+31 3327
Distance
168.07
Distance ly
548.24
last precise pa
343.9
last precise sep
4.33