15303+1543 HJ 254 AB

 
 
15h 30m 15.06s +15° 42' 40.9" P.A. 278.00 sep 17.1 mag 10.04,10.47 Sp G5
 
 
Coord 2000 15303+1543 Discov num HJ  254 Comp AB Coord arcsec 2000 15 30 15.06 +15 42 40.9
Date first 1825 Date last 2017 Obs 24
Pa first 285 Pa last 277.8 P.A. Now (θ) 277.8°
Sep first 10.0 Sep last 17.1 Sep. Now (ρ) 17.1"
Mag pri 10.04 Mag sec 10.47 delta mag (ΔM) 0.43 Spectral class G5 (yellow)
Pri motion ra -001 Sec motion ra -005
Pri motion dec +023 Sec motion dec +021
Notes
rPM=0.194 (< 0.3, Physical double)
This double is physical.
 
 
15303+1543 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 30 15 +15 42 41 HJ 254 AB 2017 24 278 17.1 10.04 10.47 0.43 <===
Show 15 30 14 +15 42 43 HJ 254 BC 2017 13 2 60.3 10.47 12.70 2.23
Show 15 30 14 +15 42 43 HJ 254 BD 2017 13 259 74.8 10.47 14.31 3.84
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 1494-00415-1 Gaia DR2 1195507037355749760