18057+1200 STF2276AB

 
 
18h 05m 43.30s +12 00' 13.9" P.A. 256 sep 6.9 mag 7.09,7.44 Sp A7p dist. 138.12 pc (450.55 l.y.)
 
 
Coord 2000
18057+1200
Discov num
STF2276
Comp
AB
Coord arcsec 2000
18 05 43.30 +12 00 13.9
Date first
1782
Date last
2016
Obs
132
Pa first
260
Pa last
256
P.A. Now (θ)
256°
Sep first
7.6
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
7.09
Mag sec
7.44
delta mag (ΔM)
0.35
Spectral class
A7p (white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-003
Sec motion dec
-003
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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 2016 132 256 6.9 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
256.2
Precise sep
6.93
Constellation
Ophiuchus
SAO
103373
HIP
88627
Tycho2
1016-01153-1
HD
165475
HR
6758
BD
BD+12 3382
Distance
138.12
Distance ly
450.55
last precise pa
256.2
last precise sep
6.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18057+1200 STF2276 AB 2005 122 257 6.9 7.09 7.44 A7p N D 180543.30+120013.9
18057+1200 STF2276 AB 2010 127 257 6.9 7.09 7.44 A7p N D 180543.30+120013.9
18057+1200 STF2276 AB 2012 129 256 7.0 7.09 7.44 A7p N D 180543.30+120013.9
18057+1200 STF2276 AB 2014 130 266 6.9 7.09 7.44 A7p N D 180543.30+120013.9
18057+1200 STF2276 AB 2016 132 256 6.9 7.09 7.44 A7p N 180543.30+120013.9

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