18057+1200 STF2276BC

 
 
18h 05m 42.84s +12 00' 12.3" P.A. 312 sep 58.4 mag 7.44,11.03 Sp A7 dist. 138.12 pc (450.55 l.y.)
 
 
Coord 2000
18057+1200
Discov num
STF2276
Comp
BC
Coord arcsec 2000
18 05 42.84 +12 00 12.3
Date first
1910
Date last
2005
Obs
6
Pa first
312
Pa last
312
P.A. Now (θ)
312°
Sep first
58.2
Sep last
58.4
Sep. Now (ρ)
58.4"
Mag pri
7.44
Mag sec
11.03
delta mag (ΔM)
3.59
Spectral class
A7 (white)
Pri motion ra
-003
Sec motion ra
-006
Pri motion dec
-003
Sec motion dec
+002
Notes
N (See Notes)
rPM=0.922
This double is not physical.
 
 
18057+1200 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 103373 18057+1200 STF2276 AB 1782 2017 133 257 7.1 7.09 7.44 0.35
Show 103373 18057+1200 STF2276 AC 1905 2016 14 306 63.8 7.09 11.03 3.94
Show 103373 18057+1200 STF2276 BC 1910 2005 6 312 58.4 7.44 11.03 3.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.6
Precise sep
58.4
Constellation
Ophiuchus
SAO
103373
HIP
88627
Tycho2
1016-01502-1
HD
165474
HR
6758
BD
BD+12 3382
Distance
138.12
Distance ly
450.55
last precise pa
311.6
last precise sep
58.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18057+1200 STF2276 BC 2005 5 312 58.4 7.44 11.03 N D 180542.84+120012.3

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