18088+1015 ROE  98CD

 
 
18h 08m 45.51s +10 15' 03.8" P.A. 177 sep 31.9 mag 13.92,13.90
 
 
Coord 2000
18088+1015
Discov num
ROE  98
Comp
CD
Coord arcsec 2000
18 08 45.51 +10 15 03.8
Date first
1916
Date last
2001
Obs
3
Pa first
177
Pa last
177
P.A. Now (θ)
177°
Sep first
32.1
Sep last
31.9
Sep. Now (ρ)
31.9"
Mag pri
13.92
Mag sec
13.90
delta mag (ΔM)
0.02
Spectral class
Pri motion ra
-016
Sec motion ra
+001
Pri motion dec
-006
Sec motion dec
+000
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
177.1
last precise sep
31.892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18088+1015 ROE 98 CD 1999 2 177 31.9 13.30 13.80 D 180845.51+101503.8
18088+1015 ROE 98 CD 2001 3 177 31.9 14.40 14.90 D 180845.51+101503.8

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