17098+6821 LDS 1438 AB

 
 
17h 09m 52.20s +68° 20' 01.9" P.A. 92.00 sep 28.4 mag 11.61,17.50 Sp K7V+DA7.6
 
 
Coord 2000 17098+6821 Discov num LDS1438 Comp AB Coord arcsec 2000 17 09 52.20 +68 20 01.9
Date first 1966 Date last 2015 Obs 5
Pa first 92 Pa last 91.6 P.A. Now (θ) 91.6°
Sep first 29.0 Sep last 28.363 Sep. Now (ρ) 28.363"
Mag pri 11.61 Mag sec 17.50 delta mag (ΔM) 5.89 Spectral class K7V+DA7.6 (yellow-orange/white dwarf)
Pri motion ra -081 Sec motion ra -082
Pri motion dec +255 Sec motion dec +253
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.008 (< 0.3, Physical double)
This double is physical.
 
 
17098+6821 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 09 52 +68 20 02 LDS 1438 AB 2015 5 92 28.4 11.61 17.50 5.89 <===
Show 17 09 52 +68 20 02 WIS 311 AC 2015 3 345 166.9 11.61 15.80 4.19
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4421-02830-1 Gaia DR2 1636757237019046528