21290+5844 MLR 436 AB (HD 204827)
21h 28m 57.76s +58° 44' 23.3" P.A. 343.00 sep 4.2 mag 7.95,11.80 Sp B0V dist. 2325.58 pc (7586.04 l.y.)
| Coord 2000 |
21290+5844 |
|
Discov num |
MLR 436 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 28 57.76 +58 44 23.3 |
|
| Date first |
1973 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
345 |
|
Pa last |
342.7 |
|
P.A. Now (θ) |
342.7° |
|
| Sep first |
4.1 |
|
Sep last |
4.159 |
|
Sep. Now (ρ) |
4.159" |
|
| Mag pri |
7.95 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
3.85 |
|
Spectral class |
B0V (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21290+5844 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
33461 |
21 28 58 +58 44 23 |
HDS 3058 Aa,Ab |
2007 |
7 |
182 |
0.1 |
8.39 |
9.64 |
1.25 |
|
|
| Show |
HD 204827 |
33461 |
21 28 58 +58 44 23 |
MLR 436 AB |
2015 |
8 |
343 |
4.2 |
7.95 |
11.80 |
3.85 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204827 |
|
Constellation |
Cepheus |
|
SAO |
33461 |
|
HIP |
106059 |
|
| Tycho2 |
3978-00961-1 |
|
Gaia DR2 |
2179492944050949760 |
|
HD |
204827 |
|
BD |
BD+58 2272 |
|
| Distance |
2325.58 |
|
Distance ly |
7586.04 |
|
