15339+6354 STT 299 (TW Dra)

 
 
15h 33m 51.06s +63° 54' 25.7" P.A. 24.00 sep 3.3 mag 7.50,9.89 Sp A6V+KIII dist. 138.7 pc (452.44 l.y.)
 
 
Coord 2000 15339+6354 Discov num STT 299 Comp Coord arcsec 2000 15 33 51.06 +63 54 25.7
Date first 1843 Date last 2015 Obs 40
Pa first 21 Pa last 24.2 P.A. Now (θ) 24.2°
Sep first 3.3 Sep last 3.295 Sep. Now (ρ) 3.295"
Mag pri 7.50 Mag sec 9.89 delta mag (ΔM) 2.39 Spectral class A6V+KIII (white/yellow-orange)
Pri motion ra +010 Sec motion ra +011
Pri motion dec +017 Sec motion dec +022
Notes N (See Notes)
rPM=0.207 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name TW Dra Constellation Draco SAO 16767 HIP 76196
Tycho2 4184-00061-1 Gaia DR2 1640708022815757568 HD 139319 BD BD+64 1077
Distance 138.7 Distance ly 452.44