20237+4632 HJ 1513

 
 
20h 23m 39.36s +46 31' 40.5" P.A. 325 sep 13.8 mag 8.45,11.50 Sp B8 dist. 495.05 pc (1614.85 l.y.)
 
 
Coord 2000
20237+4632
Discov num
HJ 1513
Comp
Coord arcsec 2000
20 23 39.36 +46 31 40.5
Date first
1828
Date last
2015
Obs
16
Pa first
322
Pa last
325
P.A. Now (θ)
325°
Sep first
8.0
Sep last
13.8
Sep. Now (ρ)
13.8"
Mag pri
8.45
Mag sec
11.50
delta mag (ΔM)
3.05
Spectral class
B8 (blue-white)
Pri motion ra
-003
Sec motion ra
-005
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=0.232 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325.3
Precise sep
13.79
Constellation
Cygnus
SAO
49573
HIP
100571
Tycho2
3572-01899-1
Gaia DR2
20165958528
HD
194423
BD
BD+46 2927
Distance
495.05
Distance ly
1614.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20237+4632 HJ 1513 2003 10 326 13.9 8.45 11.50 B8 D 202339.36+463140.5
20237+4632 HJ 1513 2010 13 324 13.1 8.45 11.50 B8 202339.36+463140.5
20237+4632 HJ 1513 2015 16 325 13.8 8.45 11.50 B8 202339.36+463140.5

If you need more information about this double, apply for a data request form to the WDS.