18123+0154 A  2260AB

 
 
18h 12m 18.16s +01 53' 50.8" P.A. 107 sep 2 mag 8.56,11.70 Sp G5 dist. 60.39 pc (196.99 l.y.)
 
 
Coord 2000
18123+0154
Discov num
A  2260
Comp
AB
Coord arcsec 2000
18 12 18.16 +01 53 50.8
Date first
1910
Date last
2015
Obs
16
Pa first
117
Pa last
107
P.A. Now (θ)
107°
Sep first
2.5
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
8.56
Mag sec
11.70
delta mag (ΔM)
3.14
Spectral class
G5 (yellow)
Pri motion ra
+000
Sec motion ra
-002
Pri motion dec
-037
Sec motion dec
-040
Notes
rPM=0.09 (< 0.3, Physical double)
This double is physical.
 
 
18123+0154 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18123+0154 A 2260 AB 1910 2015 16 107 2.0 8.56 11.70 3.14 <===
Show 18123+0154 RAO 66 AC 2000 2012 3 72 17.2 8.56 15.90 7.34
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107
Precise sep
1.987
Constellation
Ophiuchus
HIP
89207
Tycho2
0435-01944-1
HD
166823
BD
BD+01 3620
Distance
60.39
Distance ly
196.99
last precise pa
107
last precise sep
1.987
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18123+0154 A 2260 AB 2012 15 107 2.0 8.56 11.70 G5 181218.16+015350.8
18123+0154 A 2260 AB 2015 16 107 2.0 8.56 11.70 G5 181218.16+015350.8

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