20212+4335 HJ 1505

 
 
20h 21m 14.01s +43 35' 21.2" P.A. 111 sep 16.7 mag 7.85,8.54 Sp B9.5V dist. 306.75 pc (1000.62 l.y.)
 
 
Coord 2000
20212+4335
Discov num
HJ 1505
Comp
Coord arcsec 2000
20 21 14.01 +43 35 21.2
Date first
1828
Date last
2015
Obs
15
Pa first
110
Pa last
111
P.A. Now (θ)
111°
Sep first
12.5
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
7.85
Mag sec
8.54
delta mag (ΔM)
0.69
Spectral class
B9.5V (blue-white)
Pri motion ra
+005
Sec motion ra
+001
Pri motion dec
+003
Sec motion dec
-004
Notes
rPM=1.383
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.2
Precise sep
16.711
Constellation
Cygnus
SAO
49510
HIP
100360
Tycho2
3164-01307-1
Gaia DR2
66985430656
HD
193926
BD
BD+43 3576
Distance
306.75
Distance ly
1000.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20212+4335 HJ 1505 1991 6 109 17.0 7.85 8.54 B9.5V D 202114.01+433521.2
20212+4335 HJ 1505 2003 9 110 16.6 7.85 8.54 B9.5V D 202114.01+433521.2
20212+4335 HJ 1505 2010 10 111 16.8 7.85 8.54 B9.5V 202114.01+433521.2
20212+4335 HJ 1505 2015 11 111 16.7 7.85 8.54 B9.5V 202114.01+433521.2

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