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Current system
03554+3103
HO 325
X Per


Nearby doubles
44' : 03521+3115
UC 1082

46' : 03572+3023
LDS3544

53' : 03541+3153
STF 464AB

60' : 03599+3047
ES 329

62' : 03545+3203
LEI 6

63' : 03572+3201
SEI 33AB

65' : 04001+3125
KPP 22

67' : 03536+3207
ALD 11

67' : 03559+3209
BU 540AB

70' : 04000+3026
COU 876AB

73' : 04010+3055
TDS2719

74' : 03497+3058
LDS3534

84' : 03599+3204
HDS 504

91' : 03486+3039
SHY 453

92' : 04003+3209
HJ 340

98' : 03484+3027
LDS3532

102' : 03510+2939
STF 459AB

102' : 04029+3034
TDS2727

106' : 04000+3219
HJ 339

106' : 03523+3240
TDS2674

107' : 03510+3234
HU 814

108' : 03502+2939
FOX 136

109' : 03491+3216
STT 516

110' : 03583+3245
HO 505

111' : 03468+3049
KU 15AB

114' : 03591+3246
KPP1477



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

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
 
 
WDS 03554+3103 HO 325 (X Per) : NOTES
 
 
discov_num notes refcode
HO 325 A is a RW Aur-type variable, X Per, and also a long-period
spectroscopic binary.
 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
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
03554+3103 HO 325 2015 16 13 23.4 6.79 12.27 O9.5pe N 035523.08+310245.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 03554+3103 HO 325 (X Per) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03554+3103 HO 325 (X Per) : MEASURES
 
 
No records found.

 
 
WDS 03554+3103 (X Per) : VIRTUAL EYEPIECE
 
 

03554+3103 HO 325A mag 6.79 Sp O9.5pe 03554+3103 HO 325B sep 23.3 P.A. 10.80 mag 12.27 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03554+3103 (X Per) : ALADIN DSS IMAGE @ 03h 55m 23.08s +31° 02' 45.1"
 
 
 
 
WDS 03554+3103 HO 325 (X Per) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03554+3103 HO 325 distance=0' 03521+3115 UC 1082 distance=44' 03572+3023 LDS3544 distance=46' 03541+3153 STF 464DE distance=52' 03541+3153 SLV 2BC distance=53' 03541+3153 SLV 2BD distance=53' 03541+3153 STF 464AB distance=53' 03541+3153 STF 464AC distance=53' 03541+3153 STF 464AD distance=53' 03541+3153 STF 464AE distance=53' 03541+3153 STF 464CD distance=54' 03541+3153 STF 464CE distance=54' 03599+3047 ES 329 distance=60' 03545+3203 LEI 6 distance=62' 03572+3201 WSI 29BC distance=63' 03572+3201 SEI 33AB distance=63' 03572+3201 WSI 29AC distance=63' 04001+3125 KPP 22 distance=65' 03536+3207 ALD 11 distance=67' 03559+3209 BU 540AB distance=67' 03559+3209 BU 540AC distance=67' 04000+3026 COU 876AB distance=70' 04010+3055 TDS2719 distance=73' 03497+3058 LDS3534 distance=74' 03599+3204 HDS 504 distance=84' 03486+3039 SHY 453 distance=91' 04003+3209 HJ 340 distance=92' 03484+3027 LDS3532 distance=98' 03510+2939 STF 459BC distance=101' 03510+2939 STF 459AB distance=102' 04029+3034 TDS2727 distance=102' 04000+3219 HJ 339 distance=106' 03523+3240 TDS2674 distance=106' 03510+3234 HU 814 distance=107' 03502+2939 FOX 136 distance=108' 03491+3216 STT 516 distance=109' 03583+3245 HO 505 distance=110' 03468+3049 KU 15AB distance=111' 03468+3049 HJ 665AC distance=111' 03591+3246 KPP1477 distance=114' 03509+3241 TDS2668 distance=114' 04027+3210 HJ 670 distance=115' 04046+3115 LDS3553 distance=119' 04025+2949 TVB 63 distance=119' 03493+2930 MLB 684 distance=122' 03563+2900 TDS2687 distance=124' 03535+3307 RBR 36 distance=127' 03565+3311 BU 263 distance=129' 03466+2950 BRT 233 distance=136' 03566+3319 UC 1090 distance=137' 03512+3318 CRB 62 distance=146' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 03554+3103 HO 325 13 23.4
Show 03521+3115 UC 1082 315 7.0 44
Show 03572+3023 LDS3544 244 51.4 46
Show 03541+3153 STF 464 DE 149 28.1 52
Show 03541+3153 SLV 2 BC 310 33.2 53
Show 03541+3153 SLV 2 BD 193 86.0 53
Show 03541+3153 STF 464 AB 208 12.8 53
Show 03541+3153 STF 464 AC 286 33.3 53
Show 03541+3153 STF 464 AD 195 98.6 53
Show 03541+3153 STF 464 AE 186 120.0 53
Show 03541+3153 STF 464 CD 177 105.0 54
Show 03541+3153 STF 464 CE 171 130.5 54
Show 03599+3047 ES 329 267 6.8 60
Show 03545+3203 LEI 6 71 8.9 62
Show 03572+3201 WSI 29 BC 343 7.9 63
Show 03572+3201 SEI 33 AB 116 27.3 63
Show 03572+3201 WSI 29 AC 101 22.6 63
Show 04001+3125 KPP 22 73 3.7 65
Show 03536+3207 ALD 11 151 3.7 67
Show 03559+3209 BU 540 AB 321 1.4 67
Show 03559+3209 BU 540 AC 58 57.2 67
Show 04000+3026 COU 876 AB 163 2.9 70
Show 04010+3055 TDS2719 63 0.9 73
Show 03497+3058 LDS3534 314 187.4 74
Show 03599+3204 HDS 504 51 0.3 84
Show 03486+3039 SHY 453 84 999.9 91
Show 04003+3209 HJ 340 306 14.9 92
Show 03484+3027 LDS3532 61 98.3 98
Show 03510+2939 STF 459 BC 294 53.5 101
Show 03510+2939 STF 459 AB 340 25.6 102
Show 04029+3034 TDS2727 109 0.5 102
Show 04000+3219 HJ 339 225 33.6 106
Show 03523+3240 TDS2674 170 0.5 106
Show 03510+3234 HU 814 89 0.9 107
Show 03502+2939 FOX 136 302 28.1 108
Show 03491+3216 STT 516 44 2.2 109
Show 03583+3245 HO 505 198 1.6 110
Show 03468+3049 KU 15 AB 159 2.1 111
Show 03468+3049 HJ 665 AC 261 14.7 111
Show 03591+3246 KPP1477 272 11.1 114
Show 03509+3241 TDS2668 62 0.6 114
Show 04027+3210 HJ 670 48 10.7 115
Show 04046+3115 LDS3553 49 27.0 119
Show 04025+2949 TVB 63 101 7.0 119
Show 03493+2930 MLB 684 299 1.5 122
Show 03563+2900 TDS2687 79 0.4 124
Show 03535+3307 RBR 36 159 0.6 127
Show 03565+3311 BU 263 109 0.6 129
Show 03466+2950 BRT 233 12 3.9 136
Show 03566+3319 UC 1090 78 145.4 137
Show 03512+3318 CRB 62 22 20.8 146

 
 
WDS 03554+3103 : COMPONENTS
 
 
  A
B pa=10.8°
sep=23.28"
 
 
03554+3103 A
 
 
Componente originario normalizzato AB Var name X Per Coord arcsec 2000 035523.08+310245.1 Mag 6.79
Spectral class O9.5pe (blue) PmRA -2.00 PmDE -5.0 SAO 56815
HIP 18350 Tycho2 2357-02042-1 HD 24534 HR 1209
GC 4720 BD BD+30 591
Tycho2
Tycho2 2357-02042-1 Pflag RAmdeg 58.84615809 DEmdeg 31.04584447
PmRA -1.5 PmDE -2.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.19 EpDEm 1990.88
Num 20 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 6.874 E BTmag 0.014 VTmag 6.789
E VTmag 0.010 Prox 999 TYC T HIP 18350
CCDM RAdeg 58.84616194 DEdeg 31.04584972 EpRA 1990 1.75
EpDE 1990 1.36 E RAdeg 3.5 E DEdeg 4.0 Posflg
Corr -0.4
SAO
SAO 56815 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.005 Vmag 6 SpType B0p
Double code Source 70 CatNum 4720 DM BD+30 591
DMcomp BDsup HD 24534 M HD 0
GC 4720 RA1950rad 1.01339154 DE1950rad 0.53931072 PmRA2000 -0.001
PmDE2000 -0.007
Hipparcos
Catalog H HIP 18350 Proxy RAhms 03 55 23.08
DEdms +31 02 45.1 Vmag 6.79 VarFlag R Vmag H
RAdeg 58.8462 DEdeg 31.0458 AstroRef Plx 1.21
CCDM 03554+3103 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 24534 BD BD+30 591
CD CP Dm number +30 591 VIred 0.08
SpType O9.5pe R SpType Coord arcsec 2000 035523.08+310245.1
Hipparcos 2
HIP 18350 Sn 5 So 0 Nc 1
RArad 1.0270592661 DErad 0.5418522708 Plx 2.34 PmRA -2.28
PmDE -5.42 E RArad 0.51 E DErad 0.37 E Plx 0.7
E pmRA 0.81 E pmDE 0.78 Hpmag 6.8276 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.081 E BV 0.007
VI 0.09
CCDM
Ccdm 03554+3103 RComp Comp A Note1
Note2 Discov num DRAs -0.89 DDEs -15.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag Sp B0 PmNote *
PmRA 6 PmDE -4 Dm number +30 591 Cat1 BD
Name2 +30 385 Cat2 AGK2/3 HD 24534 M HD
ADS BDS A 2859 M ADS BDS N IDS IDS 03491N3045A
HIC 18350
 
 
03554+3103 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 035523.42+310308.0 Mag 12.27 PmRA 4.00
PmDE 6.0 Calc delta mag 5.48 Calc coord yes
CCDM
Ccdm 03554+3103 RComp Comp B Note1
Note2 Discov num HO 325 DRAs -0.50 DDEs 7.5
R dRAs 90 Year 1891 Theta 012 Rho 22.5
Obs 9 Vmag 12.0 Sp PmNote
PmRA 6 PmDE -4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2859 M ADS BDS N N IDS IDS 03491N3045B
HIC