18585+2515 A 2990 AB

 
 
18h 58m 31.54s +25° 14' 55.3" P.A. 141.00 sep 2.8 mag 7.90,14.50 Sp K5 dist. 1020.41 pc (3328.58 l.y.)
 
 
Coord 2000 18585+2515 Discov num A  2990 Comp AB Coord arcsec 2000 18 58 31.54 +25 14 55.3
Date first 1916 Date last 2016 Obs 6
Pa first 139 Pa last 141.2 P.A. Now (θ) 141.2°
Sep first 2.9 Sep last 2.82 Sep. Now (ρ) 2.82"
Mag pri 7.90 Mag sec 14.50 delta mag (ΔM) 6.6 Spectral class K5 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18585+2515 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 86648 18 58 32 +25 14 55 GII 276 Aa,Ab 2014 1 121 0.2 8.70 8.70 0.00
Show 86648 18 58 32 +25 14 55 A 2990 AB 2016 6 141 2.8 7.90 14.50 6.60 <===
Show 86648 18 58 32 +25 14 55 A 2990 AC 2015 4 44 13.2 7.80 14.00 6.20
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 86648 HIP 93157 Tycho2 2113-02457-1
Gaia DR2 4534609158115401856 HD 176284 ADS 11895 BD BD+25 3683
Distance 1020.41 Distance ly 3328.58