20113+3550 BU 430 AB
20h 11m 19.16s +35° 49' 49.0" P.A. 23.00 sep 1.2 mag 9.69,10.37 Sp B2III-IV
Coord 2000 |
20113+3550 |
|
Discov num |
BU 430 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 11 19.16 +35 49 49.0 |
|
Date first |
1877 |
|
Date last |
2016 |
|
Obs |
19 |
|
Pa first |
19 |
|
Pa last |
22.7 |
|
P.A. Now (θ) |
22.7° |
|
Sep first |
1.1 |
|
Sep last |
1.158 |
|
Sep. Now (ρ) |
1.158" |
|
Mag pri |
9.69 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
B2III-IV (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20113+3550 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 11 19 +35 49 49 |
BU 430 AB |
2016 |
19 |
23 |
1.2 |
9.69 |
10.37 |
0.68 |
|
<=== |
Show |
|
|
20 11 19 +35 49 49 |
BU 430 AC |
2015 |
5 |
173 |
7.2 |
9.69 |
14.20 |
4.51 |
|
|
Show |
|
|
20 11 19 +35 49 49 |
HJ 1489 AD |
2018 |
21 |
51 |
17.1 |
9.69 |
9.88 |
0.19 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2683-03018-1 |
|
Gaia DR2 |
2058948227281717888 |
|