18180-1842 HWE 42 (HD 167885)

 
 
18h 18m 03.20s -18° 45' 44.7" P.A. 189.00 sep 21.5 mag 8.73,11.55 Sp F6Iab/b
 
 
Coord 2000 18180-1842 Discov num HWE  42 Comp Coord arcsec 2000 18 18 03.20 -18 45 44.7
Date first 1879 Date last 2018 Obs 11
Pa first 195 Pa last 189.4 P.A. Now (θ) 189.4°
Sep first 20.2 Sep last 21.5 Sep. Now (ρ) 21.5"
Mag pri 8.73 Mag sec 11.55 delta mag (ΔM) 2.82 Spectral class F6Iab/b (yellow-white)
Pri motion ra -013 Sec motion ra +001
Pri motion dec +007 Sec motion dec +001
Notes
rPM=1.032
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167885 Constellation Sagittarius SAO 161288 Tycho2 6273-00046-1
Gaia DR2 4094820209441290368 HD 167885 DM BD-18 4893