21055+5340 BU 680 AC
21h 05m 30.82s +53° 40' 05.5" P.A. 33.00 sep 20.8 mag 8.70,10.90 Sp A0 dist. 335.57 pc (1094.63 l.y.)
Coord 2000 |
21055+5340 |
|
Discov num |
BU 680 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 05 30.82 +53 40 05.5 |
|
Date first |
1885 |
|
Date last |
2018 |
|
Obs |
18 |
|
Pa first |
34 |
|
Pa last |
33.2 |
|
P.A. Now (θ) |
33.2° |
|
Sep first |
23.4 |
|
Sep last |
20.835 |
|
Sep. Now (ρ) |
20.835" |
|
Mag pri |
8.70 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=1.446
This double is not physical.
21055+5340 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 201113 |
33125 |
21 05 31 +53 40 06 |
BU 680 AB |
2016 |
42 |
283 |
0.6 |
8.70 |
9.38 |
0.68 |
|
|
Show |
|
33125 |
21 05 31 +53 40 06 |
BU 680 AC |
2018 |
18 |
33 |
20.8 |
8.70 |
10.90 |
2.20 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
33125 |
|
HIP |
104107 |
|
Tycho2 |
3952-00394-1 |
|
Gaia DR2 |
2176462552560335616 |
|
HD |
201113 |
|
BD |
BD+53 2546 |
|
Distance |
335.57 |
|
Distance ly |
1094.63 |
|