03305+3939 HDS 440 (RU Per)
03h 30m 30.28s +39° 39' 29.3" P.A. 74.00 sep 0.3 mag 10.24,10.51 Sp M4e dist. 431.03 pc (1406.02 l.y.)
| Coord 2000 |
03305+3939 |
|
Discov num |
HDS 440 |
|
Comp |
|
|
Coord arcsec 2000 |
03 30 30.28 +39 39 29.3 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
74 |
|
Pa last |
74 |
|
P.A. Now (θ) |
74° |
|
| Sep first |
0.3 |
|
Sep last |
0.299 |
|
Sep. Now (ρ) |
0.299" |
|
| Mag pri |
10.24 |
|
Mag sec |
10.51 |
|
delta mag (ΔM) |
0.27 |
|
Spectral class |
M4e (red) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
RU Per |
|
Constellation |
Perseus |
|
HIP |
16328 |
|
Tycho2 |
2866-02269-1 |
|
| Gaia DR2 |
236726197788390144 |
|
HD |
275376 |
|
BD |
BD+39 797 |
|
Distance |
431.03 |
|
| Distance ly |
1406.02 |
|