21186+6235 BU 1502 CD
21h 18m 44.39s +62° 37' 55.9" P.A. 103.00 sep 2.8 mag 11.10,11.30
Coord 2000 |
21186+6235 |
|
Discov num |
BU 1502 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 18 44.39 +62 37 55.9 |
|
Date first |
1907 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
104 |
|
Pa last |
103.2 |
|
P.A. Now (θ) |
103.2° |
|
Sep first |
2.6 |
|
Sep last |
2.822 |
|
Sep. Now (ρ) |
2.822" |
|
Mag pri |
11.10 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
|
|
Pri motion dec |
+017 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21186+6235 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Alderamin |
19302 |
21 18 35 +62 35 08 |
BU 1502 AB |
2011 |
9 |
17 |
196.6 |
2.46 |
11.46 |
9.00 |
|
|
Show |
|
|
21 18 44 +62 38 17 |
BU 1502 B,CD |
2013 |
5 |
165 |
21.9 |
11.46 |
12.39 |
0.93 |
|
|
Show |
|
|
21 18 44 +62 37 56 |
BU 1502 CD |
2016 |
6 |
103 |
2.8 |
11.10 |
11.30 |
0.20 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2193193713622793216 |
|