18257+2639 COU 815 (HD 169887)

18h 25m 44.22s +26° 39' 25.0" P.A. 144.00 sep 1.6 mag 9.01,11.30 Sp Ap

Coord 2000 18257+2639 Discov num COU 815 Comp Coord arcsec 2000 18 25 44.22 +26 39 25.0
Date first 1972 Date last 2015 Obs 10
Pa first 143 Pa last 144.4 P.A. Now (θ) 144.4°
Sep first 1.2 Sep last 1.551 Sep. Now (ρ) 1.551"
Mag pri 9.01 Mag sec 11.30 delta mag (ΔM) 2.29 Spectral class Ap (white)
Pri motion ra -005 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Name HD 169887 Constellation Hercules SAO 86035 Tycho2 2114-02099-1
Gaia DR2 4585321619381737344 HD 169887