21548+4548 STF 2846 AC
21h 54m 49.88s +45° 47' 29.8" P.A. 155.00 sep 33.2 mag 8.43,10.90 Sp A0 dist. 1724.14 pc (5624.14 l.y.)
| Coord 2000 |
21548+4548 |
|
Discov num |
STF2846 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 54 49.88 +45 47 29.8 |
|
| Date first |
1828 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
156 |
|
Pa last |
155.2 |
|
P.A. Now (θ) |
155.2° |
|
| Sep first |
22.5 |
|
Sep last |
33.193 |
|
Sep. Now (ρ) |
33.193" |
|
| Mag pri |
8.43 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.47 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
Z
(Parallax indicates components are physical) |
|
rPM=1.923
This double is physical.
21548+4548 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
51429 |
21 54 50 +45 47 30 |
COU 2137 Aa,Ab |
2014 |
6 |
227 |
0.2 |
8.86 |
9.32 |
0.46 |
|
|
| Show |
HD 208395 |
51429 |
21 54 50 +45 47 30 |
STF 2846 AB |
2016 |
23 |
266 |
3.6 |
8.43 |
10.30 |
1.87 |
|
|
| Show |
|
51429 |
21 54 50 +45 47 30 |
STF 2846 AC |
2016 |
11 |
155 |
33.2 |
8.43 |
10.90 |
2.47 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
51429 |
|
HIP |
108163 |
|
Tycho2 |
3604-00877-1 |
|
| Gaia DR2 |
1973643957645741056 |
|
HD |
208395 |
|
BD |
BD+45 3721 |
|
Distance |
1724.14 |
|
| Distance ly |
5624.14 |
|
