21555+2724 A 303 AB (HD 208416)

21h 55m 29.91s +27° 23' 35.6" P.A. 52.00 sep 2.3 mag 9.22,11.63 Sp G5 dist. 207.47 pc (676.77 l.y.)

Coord 2000 21555+2724 Discov num A   303 Comp AB Coord arcsec 2000 21 55 29.91 +27 23 35.6
Date first 1901 Date last 2016 Obs 15
Pa first 51 Pa last 52.3 P.A. Now (θ) 52.3°
Sep first 1.8 Sep last 2.3 Sep. Now (ρ) 2.3"
Mag pri 9.22 Mag sec 11.63 delta mag (ΔM) 2.41 Spectral class G5 (yellow)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -024 Sec motion dec -024
Notes




Nature of this double is uncertain.



21555+2724 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 208416 90100 21 55 30 +27 23 36 A 303 AB 2016 15 52 2.3 9.22 11.63 2.41 <===
Show 90100 21 55 30 +27 23 36 STJ 1 AC 2016 1 337 3.4 9.22 13.30 4.08


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 208416 Constellation Pegasus SAO 90100 HIP 108225
Tycho2 2211-01999-1 Gaia DR2 1799944038395670016 HD 208416 BD BD+26 4304
Distance 207.47 Distance ly 676.77