21060+5422 HJL 1105 AB (HD 235439)

 
 
21h 06m 00.69s +54° 21' 54.5" P.A. 346.00 sep 172.7 mag 9.20,9.30 Sp F8
 
 
Coord 2000 21060+5422 Discov num HJL1105 Comp AB Coord arcsec 2000 21 06 00.69 +54 21 54.5
Date first 1902 Date last 2015 Obs 14
Pa first 347 Pa last 346.3 P.A. Now (θ) 346.3°
Sep first 173.4 Sep last 172.684 Sep. Now (ρ) 172.684"
Mag pri 9.20 Mag sec 9.30 delta mag (ΔM) 0.1 Spectral class F8 (yellow-white)
Pri motion ra +004 Sec motion ra +007
Pri motion dec +071 Sec motion dec +067
Notes
rPM=0.07 (< 0.3, Physical double)
This double is physical.
 
 
21060+5422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 33131 21 06 01 +54 21 54 A 1691 Aa,Ab 2010 7 201 0.4 9.20 13.20 4.00
Show HD 235439 33131 21 06 01 +54 21 54 HJL 1105 AB 2015 14 346 172.7 9.20 9.30 0.10 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 235439 Constellation Cygnus SAO 33131 Tycho2 3952-00310-1
Gaia DR2 2176696095704039552 HD 235439 DM BD+53 2549