21249+5734 A 766 (HD 239659)
21h 24m 54.98s +57° 33' 46.3" P.A. 225.00 sep 0.6 mag 9.78,11.20 Sp A5 dist. 505.05 pc (1647.47 l.y.)
| Coord 2000 |
21249+5734 |
|
Discov num |
A 766 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 54.98 +57 33 46.3 |
|
| Date first |
1904 |
|
Date last |
2018 |
|
Obs |
15 |
|
| Pa first |
204 |
|
Pa last |
225.1 |
|
P.A. Now (θ) |
225.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.55 |
|
Sep. Now (ρ) |
0.55" |
|
| Mag pri |
9.78 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+021 |
|
Sec motion ra |
|
|
| Pri motion dec |
+010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239659 |
|
Constellation |
Cepheus |
|
SAO |
33412 |
|
HIP |
105732 |
|
| Tycho2 |
3974-00099-1 |
|
Gaia DR2 |
2179041835035901056 |
|
HD |
239659 |
|
BD |
BD+56 2571 |
|
| Distance |
505.05 |
|
Distance ly |
1647.47 |
|
