21040+2841 HJ 1609 AB (HD 335475)

 
 
21h 04m 00.82s +28° 40' 41.1" P.A. 36.00 sep 8.1 mag 11.04,11.22 Sp A5
 
 
Coord 2000 21040+2841 Discov num HJ 1609 Comp AB Coord arcsec 2000 21 04 00.82 +28 40 41.1
Date first 1828 Date last 2018 Obs 20
Pa first 40 Pa last 35.8 P.A. Now (θ) 35.8°
Sep first 5.0 Sep last 8.084 Sep. Now (ρ) 8.084"
Mag pri 11.04 Mag sec 11.22 delta mag (ΔM) 0.18 Spectral class A5 (white)
Pri motion ra -011 Sec motion ra -011
Pri motion dec -008 Sec motion dec -007
Notes T (Parallax indicates physical)
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
21040+2841 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 335475 21 04 01 +28 40 41 HJ 1609 AB 2018 20 36 8.1 11.04 11.22 0.18 <===
Show 21 04 01 +28 41 27 HJ 1609 CD 2015 7 193 6.1 13.50 13.80 0.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 335475 Constellation Cygnus Tycho2 2184-00378-1 Gaia DR2 1846110431404377472
HD 335475