03554+3103 HO  325 (X Per)

 
 
03h 55m 23.08s +31 02' 45.1" P.A. 13 sep 23.5 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
2012
Obs
15
Pa first
12
Pa last
13
P.A. Now (θ)
13°
Sep first
21.8
Sep last
23.5
Sep. Now (ρ)
23.5"
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
 
 
Precise pa
12.8
Precise sep
23.5
Other name
X Per
Var name
X Per
Cdsa2 id
HO 325
Constellation
Perseus
SAO
56815
HIP
18350
Tycho2
2357-02042-1
HD
24534
HR
1209
GC
4720
BD
BD+30 591
Ra deg
3.9230777777777774
De deg
31.045861111111112
Distance
427.35
Distance ly
1394.02
last precise pa
12.8
last precise sep
23.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03554+3103 HO 325 1998 12 12 23.5 6.20 12.00 O9.5pe N D 035523.08+310245.1
03554+3103 HO 325 2001 13 12 23.5 6.20 12.00 O9.5pe N D 035523.08+310245.1
03554+3103 HO 325 2012 14 13 23.5 6.20 12.00 O9.5pe N D 035523.08+310245.1

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