18088+1015 ROE  98AB

 
 
18H 08M 47.55S +10 15' 08.3" P.A. 272 SEP 4.9 MAG 11.36,11.50
 
 
Coord 2000
18088+1015
Discov num
ROE  98
Comp
AB
Coord arcsec 2000
18 08 47.55 +10 15 08.3
Date first
1910
Date last
2007
Obs
14
Pa first
272
Pa last
272
P.A. Now (θ)
272°
Sep first
5.1
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
11.36
Mag sec
11.50
delta mag (ΔM)
0.14
Spectral class
Pri motion ra
+023
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18088+1015 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18088+1015 ROE 98 AB 1910 2007 14 272 4.9 11.36 11.50 0.14 <===
Show 18088+1015 ROE 98 AC 1916 2006 4 261 30.3 11.36 13.92 2.56
Show 18088+1015 ROE 98 CD 1916 2001 3 177 31.9 13.92 13.90 0.02
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
1013-00460-1
last precise pa
271.9
last precise sep
4.86