21238+4710 A 765 AB,C
21h 23m 50.18s +47° 09' 52.4" P.A. 22.00 sep 26.4 mag 7.12,14.00 Sp B0V
Coord 2000 |
21238+4710 |
|
Discov num |
A 765 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
21 23 50.18 +47 09 52.4 |
|
Date first |
1904 |
|
Date last |
2003 |
|
Obs |
5 |
|
Pa first |
25 |
|
Pa last |
22.1 |
|
P.A. Now (θ) |
22.1° |
|
Sep first |
25.7 |
|
Sep last |
26.37 |
|
Sep. Now (ρ) |
26.37" |
|
Mag pri |
7.12 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
6.88 |
|
Spectral class |
B0V (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
-005 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
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 |
|
SAO |
50792 |
|
Gaia DR2 |
1972509777052328064 |
|