18103+0235 BU  638AE

 
 
18H 10M 20.63S +02 35' 10.1" P.A. 344 SEP 13.7 MAG 10.51,15.50 SP M3
 
 
Coord 2000
18103+0235
Discov num
BU  638
Comp
AE
Coord arcsec 2000
18 10 20.63 +02 35 10.1
Date first
1903
Date last
2000
Obs
2
Pa first
339
Pa last
344
P.A. Now (θ)
344°
Sep first
13.5
Sep last
13.7
Sep. Now (ρ)
13.7"
Mag pri
10.51
Mag sec
15.50
delta mag (ΔM)
4.99
Spectral class
M3 (red)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18103+0235 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18103+0235 STF2287 AB 1863 2014 19 153 22.9 10.51 10.78 0.27
Show 18103+0235 BU 638 AD 1909 2014 10 221 59.6 10.51 12.07 1.56
Show 18103+0235 BU 638 AE 1903 2000 2 344 13.7 10.51 15.50 4.99 <===
Show 18103+0235 BU 638 BC 1878 2014 12 4 1.8 10.78 13.60 2.82
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
0435-02215-1
last precise pa
343.8
last precise sep
13.71