18030-0237 A 35 AB (HD 164788)

18h 02m 59.91s -02° 36' 39.3" P.A. 297.00 sep 1.4 mag 9.53,10.08 Sp G0

Coord 2000 18030-0237 Discov num A    35 Comp AB Coord arcsec 2000 18 02 59.91 -02 36 39.3
Date first 1899 Date last 2018 Obs 37
Pa first 293 Pa last 297.2 P.A. Now (θ) 297.2°
Sep first 1.6 Sep last 1.398 Sep. Now (ρ) 1.398"
Mag pri 9.53 Mag sec 10.08 delta mag (ΔM) 0.55 Spectral class G0 (yellow)
Pri motion ra -028 Sec motion ra -028
Pri motion dec -011 Sec motion dec -011
Notes




Nature of this double is uncertain.



18030-0237 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 02 60 -02 36 39 GII 257 Aa,Ab 2013 2 286 0.1 10.30 10.30 0.00
Show HD 164788 18 02 60 -02 36 39 A 35 AB 2018 37 297 1.4 9.53 10.08 0.55 <===


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 164788 Constellation Serpens Tycho2 5100-00275-1 HD 164788