03554+3103 HO 325 (X Per)
03h 55m 23.08s +31° 02' 45.1" P.A. 13.00 sep 23.4 mag 6.79,12.27 Sp O9.5pe dist. 427.35 pc (1394.02 l.y.)
Coord 2000 |
03554+3103 |
|
Discov num |
HO 325 |
|
Comp |
|
|
Coord arcsec 2000 |
03 55 23.08 +31 02 45.1 |
|
Date first |
1891 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
12 |
|
Pa last |
12.6 |
|
P.A. Now (θ) |
12.6° |
|
Sep first |
21.8 |
|
Sep last |
23.425 |
|
Sep. Now (ρ) |
23.425" |
|
Mag pri |
6.79 |
|
Mag sec |
12.27 |
|
delta mag (ΔM) |
5.48 |
|
Spectral class |
O9.5pe (blue) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
+006 |
|
Notes |
N
(See Notes) |
|
rPM=1.738
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
X Per |
|
Constellation |
Perseus |
|
SAO |
56815 |
|
HIP |
18350 |
|
Tycho2 |
2357-02042-1 |
|
Gaia DR2 |
168450545792009600 |
|
HD |
24534 |
|
HR |
1209 |
|
GC |
4720 |
|
ADS |
2859 |
|
BD |
BD+30 591 |
|
Distance |
427.35 |
|
Distance ly |
1394.02 |
|