18272+0012 STF 2316 Aa,Ab

18h 27m 12.51s +00° 11' 46.1" P.A. 298.00 sep 0.2 mag 5.21, Sp G0III+A6V dist. 143.88 pc (469.34 l.y.)

Coord 2000 18272+0012 Discov num STF2316 Comp Aa,Ab Coord arcsec 2000 18 27 12.51 +00 11 46.1
Date first 1951 Date last 2009 Obs 4
Pa first 290 Pa last 297.8 P.A. Now (θ) 297.8°
Sep first 0.1 Sep last 0.216 Sep. Now (ρ) 0.216"
Mag pri 5.21 Mag sec delta mag (ΔM) Spectral class G0III+A6V (yellow/white)
Pri motion ra -001 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N X (See Notes, Dubious double)




Nature of this double is uncertain.



18272+0012 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 123497 18 27 13 +00 11 46 STF 2316 Aa,Ab 2009 4 298 0.2 5.21 <===
Show 59 Ser 123497 18 27 13 +00 11 46 STF 2316 AB 2018 167 322 3.9 5.38 7.62 2.24


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name d Ser Constellation Serpens SAO 123497 HIP 90441
Tycho2 0433-00595-1 Gaia DR2 4273231054929181824 HD 169985 HR 6918
GC 25176 ADS 11353 BD BD+00 3936 Flamsteed 59 Serpentis
Flamsteed name 59 Ser Distance 143.88 Distance ly 469.34