18099+0307 BU  637AB

 
 
18h 09m 54.01s +03 07' 13.1" P.A. 189 sep 6.7 mag 5.69,11.70 Sp F6V+K3 dist. 46.93 pc (153.09 l.y.)
 
 
Coord 2000
18099+0307
Discov num
BU  637
Comp
AB
Coord arcsec 2000
18 09 54.01 +03 07 13.1
Date first
1878
Date last
2000
Obs
11
Pa first
195
Pa last
189
P.A. Now (θ)
189°
Sep first
7.3
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
5.69
Mag sec
11.70
delta mag (ΔM)
6.01
Spectral class
F6V+K3 (yellow-white/yellow-orange)
Pri motion ra
+019
Sec motion ra
Pri motion dec
-192
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18099+0307 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 123198 18099+0307 YSC 132 Aa,Ab 2008 2015 9 33 0.0 6.10 7.10 1.00 Y
Show 123198 18099+0307 BU 637 AB 1878 2000 11 189 6.7 5.69 11.70 6.01 <===
Show 123198 18099+0307 BU 637 AC 1910 2000 6 245 98.2 5.69 10.90 5.21
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.4
Precise sep
6.74
Constellation
Ophiuchus
SAO
123198
HIP
89000
Tycho2
0435-04799-1
HD
166285
HR
6797
BD
BD+03 3613
Distance
46.93
Distance ly
153.09
last precise pa
189.4
last precise sep
6.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18099+0307 BU 637 AB 2000 11 189 6.7 5.70 11.70 F6V N D 180954.01+030713.1

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