18281+0709 J    95AB

 
 
18h 28m 05.53s +07 09' 08.4" P.A. 123 sep 2.2 mag 10.05,10.53 Sp A2
 
 
Coord 2000
18281+0709
Discov num
J    95
Comp
AB
Coord arcsec 2000
18 28 05.53 +07 09 08.4
Date first
1910
Date last
2016
Obs
31
Pa first
120
Pa last
123
P.A. Now (θ)
123°
Sep first
1.8
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
10.05
Mag sec
10.53
delta mag (ΔM)
0.48
Spectral class
A2 (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18281+0709 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18281+0709 J 95 AB 1910 2016 31 123 2.2 10.05 10.53 0.48 <===
Show 18281+0709 J 95 AC 1906 2016 14 33 32.0 10.05 10.05 0.00
Show 18281+0709 SLE 346 AD 1906 2015 8 185 70.8 10.05 12.09 2.04
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
123.4
Precise sep
2.151
Constellation
Ophiuchus
Tycho2
0445-01265-1
HD
170245
last precise pa
123.4
last precise sep
2.151
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18281+0709 J 95 AB 2005 30 124 2.1 10.05 10.53 A2 182805.53+070908.4
18281+0709 J 95 AB 2016 31 123 2.2 10.05 10.53 A2 182805.53+070908.4

If you need more information about this double, apply for a data request form to the WDS.