21238+4710 A 765 CD
21h 23m 51.16s +47° 10' 16.6" P.A. 345.00 sep 5.9 mag 14.00,14.50
Coord 2000 |
21238+4710 |
|
Discov num |
A 765 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 23 51.16 +47 10 16.6 |
|
Date first |
1904 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
330 |
|
Pa last |
344.5 |
|
P.A. Now (θ) |
344.5° |
|
Sep first |
6.4 |
|
Sep last |
5.855 |
|
Sep. Now (ρ) |
5.855" |
|
Mag pri |
14.00 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
Pri motion ra |
+015 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
-029 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.854
This double is not physical.
21238+4710 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 203938 |
50792 |
21 23 50 +47 09 52 |
A 765 AB |
2016 |
24 |
22 |
0.6 |
9.02 |
7.33 |
1.69 |
|
|
Show |
|
50792 |
21 23 50 +47 09 52 |
A 765 AB,C |
2003 |
5 |
22 |
26.4 |
7.12 |
14.00 |
6.88 |
|
|
Show |
|
|
21 23 51 +47 10 17 |
A 765 CD |
2015 |
9 |
345 |
5.9 |
14.00 |
14.50 |
0.50 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1972509811412093440 |
|