18404+4606 HJ 1339 (HD 172898)

 
 
18h 40m 26.72s +46° 05' 44.5" P.A. 321.00 sep 23.1 mag 8.67,10.14 Sp M
 
 
Coord 2000 18404+4606 Discov num HJ 1339 Comp Coord arcsec 2000 18 40 26.72 +46 05 44.5
Date first 1828 Date last 2019 Obs 24
Pa first 334 Pa last 320.6 P.A. Now (θ) 320.6°
Sep first 20.0 Sep last 23.064 Sep. Now (ρ) 23.064"
Mag pri 8.67 Mag sec 10.14 delta mag (ΔM) 1.47 Spectral class M (red)
Pri motion ra +011 Sec motion ra -001
Pri motion dec +007 Sec motion dec -016
Notes
rPM=1.618
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172898 Constellation Lyra SAO 47693 Tycho2 3527-01434-1
Gaia DR2 2117746123374533632 HD 172898