21328+5839 HJ 1659 AC
21h 32m 49.63s +58° 39' 29.7" P.A. 68.00 sep 19.3 mag 8.48,14.20 Sp A0 dist. 310.56 pc (1013.05 l.y.)
| Coord 2000 |
21328+5839 |
|
Discov num |
HJ 1659 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 32 49.63 +58 39 29.7 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
71 |
|
Pa last |
67.7 |
|
P.A. Now (θ) |
67.7° |
|
| Sep first |
21.3 |
|
Sep last |
19.332 |
|
Sep. Now (ρ) |
19.332" |
|
| Mag pri |
8.48 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
5.72 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21328+5839 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 205396 |
|
21 32 50 +58 39 30 |
HJ 1659 AB |
2016 |
39 |
287 |
7.8 |
8.48 |
9.59 |
1.11 |
|
|
| Show |
|
|
21 32 50 +58 39 30 |
HJ 1659 AC |
2015 |
7 |
68 |
19.3 |
8.48 |
14.20 |
5.72 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
HIP |
106383 |
|
Tycho2 |
3978-01387-1 |
|
Gaia DR2 |
2179310734361994240 |
|
| HD |
205396 |
|
BD |
BD+58 2283 |
|
Distance |
310.56 |
|
Distance ly |
1013.05 |
|
