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Doubles in session


Current system
04538-2626
HDS 631
HD 31341


Nearby doubles
21' : 04550-2614
KPP 114

22' : 04551-2639
TDS3007

27' : 04526-2646
LDS3625AB

40' : 04553-2551
KPP3588AB

41' : 04563-2604
TVB 83

43' : 04527-2546
TOK 662

45' : 04562-2657
SWR 8

51' : 04547-2715
KPP2831

67' : 04528-2521
B 75AB

77' : 04535-2509
HJ 3702

78' : 04522-2512
BRT2857

94' : 04530-2758
BRT2858

95' : 04468-2618
VIG 6AB

95' : 04474-2706
TDS2966

101' : 05011-2601
RST 119

103' : 05013-2646
B 77

105' : 04585-2502
B 76

105' : 04585-2749
RST 117

106' : 04591-2745
WIS 111

107' : 04596-2513
TDS3030

107' : 04462-2558
SPM 12

112' : 04461-2707
TDS2961

119' : 04472-2744
LDS5607

121' : 04474-2750
LDS 129

127' : 04507-2427
BRT2855

129' : 04453-2726
LDS3615



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.

04538-2626 HDS 631 (HD 31341)

 
 
04h 53m 49.68s -26° 25' 45.1" P.A. 129.00 sep 17.5 mag 9.06,10.67 Sp K0II dist. 357.14 pc (1164.99 l.y.)
 
 
Coord 2000 04538-2626 Discov num HDS 631 Comp Coord arcsec 2000 04 53 49.68 -26 25 45.1
Date first 1909 Date last 2015 Obs 8
Pa first 130 Pa last 129.3 P.A. Now (θ) 129.3°
Sep first 18.0 Sep last 17.529 Sep. Now (ρ) 17.529"
Mag pri 9.06 Mag sec 10.67 delta mag (ΔM) 1.61 Spectral class K0II (yellow-orange)
Pri motion ra -000 Sec motion ra -001
Pri motion dec -012 Sec motion dec -013
Notes U (Proper motion indicates non-physical)
rPM=0.108 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 31341 Constellation Eridanus SAO 169861 HIP 22761
Tycho2 6469-02221-1 Gaia DR2 4881405807088207616 HD 31341 CD CD-26 1891
CP CP-26 651 Distance 357.14 Distance ly 1164.99
 
 
WDS 04538-2626 HDS 631 (HD 31341) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04538-2626 HDS 631 1998 5 129 17.4 9.06 10.67 K0II D 045349.68-262545.1
04538-2626 HDS 631 1999 6 130 17.5 9.06 10.67 K0II D 045349.68-262545.1
04538-2626 HDS 631 2010 7 129 17.5 9.06 10.67 K0II 045349.68-262545.1
04538-2626 HDS 631 2015 8 129 17.5 9.06 10.67 K0II 045349.68-262545.1

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

 
 
WDS 04538-2626 HDS 631 (HD 31341) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04538-2626 HDS 631 (HD 31341) : MEASURES
 
 
No records found.

 
 
WDS 04538-2626 (HD 31341) : VIRTUAL EYEPIECE
 
 

04538-2626 HDS 631A mag 9.06 Sp K0II 04538-2626 HDS 631B sep 16.5 P.A. 132.40 mag 10.67 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 04538-2626 (HD 31341) : ALADIN DSS IMAGE @ 04h 53m 49.68s -26° 25' 45.1"
 
 
 
 
WDS 04538-2626 HDS 631 (HD 31341) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04538-2626 HDS 631 distance=1' 04550-2614 KPP 114 distance=21' 04551-2639 TDS3007 distance=22' 04526-2646 LDS3625AB distance=27' 04553-2551 KPP3588AB distance=40' 04563-2604 TVB 83 distance=41' 04527-2546 TOK 662 distance=43' 04562-2657 SWR 8 distance=45' 04547-2715 KPP2831 distance=51' 04528-2521 B 75AB distance=67' 04528-2521 B 75BC distance=67' 04511-2731 TOK 88CF distance=76' 04535-2509 HJ 3702 distance=77' 04522-2512 BRT2857 distance=78' 04530-2758 BRT2858 distance=94' 04468-2618 VIG 6AB distance=95' 04474-2706 TDS2966 distance=95' 05011-2601 RST 119 distance=101' 05013-2646 B 77 distance=103' 04585-2502 B 76 distance=105' 04585-2749 RST 117 distance=105' 04591-2745 WIS 111 distance=106' 04596-2513 TDS3030 distance=107' 04462-2558 SPM 12 distance=107' 04461-2707 TDS2961 distance=112' 04472-2744 LDS5607 distance=119' 04474-2750 LDS 129 distance=121' 04507-2427 BRT2855 distance=127' 04453-2726 LDS3615 distance=129' 04536-2836 YMG 8 distance=130' 04519-2414 UC 1226 distance=134' 04488-2823 B 2578 distance=135' 04439-2646 TDS2951 distance=136' 05008-2804 LDS 134 distance=136' 04546-2847 TDS3002 distance=143' 05014-2810 LDS5646 distance=147' 04427-2647 TDS2940 distance=151' 04546-2857 DAW 82 distance=153' 04532-2858 NSN 206 distance=153' 04479-2838 TDS2967 distance=155' 05030-2803 UC 1257AB distance=156' 04575-2358 LDS3630 distance=157' 04428-2525 TDS2941 distance=161' 04482-2849 KPP2622 distance=162' 04430-2507 TDS2943 distance=166' 05062-2606 RST 121 distance=168' 05001-2359 KPP2708 distance=170' 05011-2357 SPM 15 distance=179' 05039-2423 DRS 71AC distance=184' 04505-2328 BRT1377 distance=184' 04432-2430 HU 1374 distance=185' 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 04538-2626 HDS 631 129 17.5 1
Show 04550-2614 KPP 114 176 3.9 21
Show 04551-2639 TDS3007 319 0.5 22
Show 04526-2646 LDS3625 AB 188 52.4 27
Show 04553-2551 KPP3588 AB 296 7.8 40
Show 04563-2604 TVB 83 222 25.3 41
Show 04527-2546 TOK 662 187 796.1 43
Show 04562-2657 SWR 8 78 12.5 45
Show 04547-2715 KPP2831 275 13.5 51
Show 04528-2521 B 75 AB 259 70.5 67
Show 04528-2521 B 75 BC 139 4.0 67
Show 04511-2731 TOK 88 CF 270 7.0 76
Show 04535-2509 HJ 3702 232 15.1 77
Show 04522-2512 BRT2857 84 5.6 78
Show 04530-2758 BRT2858 225 8.5 94
Show 04468-2618 VIG 6 AB 149 12.1 95
Show 04474-2706 TDS2966 145 0.6 95
Show 05011-2601 RST 119 221 2.0 101
Show 05013-2646 B 77 144 0.6 103
Show 04585-2502 B 76 236 1.1 105
Show 04585-2749 RST 117 250 2.1 105
Show 04591-2745 WIS 111 179 606.3 106
Show 04596-2513 TDS3030 87 0.9 107
Show 04462-2558 SPM 12 208 55.1 107
Show 04461-2707 TDS2961 135 0.5 112
Show 04472-2744 LDS5607 8 183.9 119
Show 04474-2750 LDS 129 133 8.8 121
Show 04507-2427 BRT2855 10 3.2 127
Show 04453-2726 LDS3615 243 48.8 129
Show 04536-2836 YMG 8 88 0.1 130
Show 04519-2414 UC 1226 238 12.7 134
Show 04488-2823 B 2578 76 7.6 135
Show 04439-2646 TDS2951 352 0.6 136
Show 05008-2804 LDS 134 49 5.4 136
Show 04546-2847 TDS3002 260 0.5 143
Show 05014-2810 LDS5646 217 262.3 147
Show 04427-2647 TDS2940 183 0.8 151
Show 04546-2857 DAW 82 183 3.4 153
Show 04532-2858 NSN 206 307 1.2 153
Show 04479-2838 TDS2967 17 0.8 155
Show 05030-2803 UC 1257 AB 248 95.4 156
Show 04575-2358 LDS3630 291 3.0 157
Show 04428-2525 TDS2941 22 1.0 161
Show 04482-2849 KPP2622 170 24.2 162
Show 04430-2507 TDS2943 318 0.5 166
Show 05062-2606 RST 121 162 1.2 168
Show 05001-2359 KPP2708 215 1.3 170
Show 05011-2357 SPM 15 345 15.5 179
Show 05039-2423 DRS 71 AC 217 0.5 184
Show 04505-2328 BRT1377 93 5.1 184
Show 04432-2430 HU 1374 262 0.5 185

 
 
WDS 04538-2626 : COMPONENTS
 
 
  A
B pa=132.4°
sep=16.46"
 
 
04538-2626 A
 
 
Componente originario normalizzato AB Name HD 31341 Coord arcsec 2000 045349.68-262545.1 Mag 9.06
Spectral class K0II (yellow-orange) PmRA 0.00 PmDE -12.0 SAO 169861
HIP 22761 Tycho2 6469-02221-1 HD 31341 CD CD-26 1891
CP CP-26 651
Tycho2
Tycho2 6469-02221-1 Pflag RAmdeg 73.45699780 DEmdeg -26.42918692
PmRA -1.7 PmDE -12.8 E RAmdeg 9 E DEmdeg 8
E pmRA 1.3 E pmDE 1.5 EpRAm 1989.79 EpDEm 1991.06
Num 10 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.1 BTmag 10.328 E BTmag 0.024 VTmag 9.062
E VTmag 0.014 Prox 175 TYC T HIP 22761
CCDM A RAdeg 73.45700111 DEdeg -26.42915833 EpRA 1990 1.69
EpDE 1990 1.85 E RAdeg 10.0 E DEdeg 8.0 Posflg
Corr 0.1
SAO
SAO 169861 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 -0.031 Vmag 8.5 SpType K0
Double code Source 25 CatNum 2350 DM CD-26 1891
DMcomp BDsup HD 31341 M HD 0
GC RA1950rad 1.27319959 DE1950rad -0.46268016 PmRA2000 -0.0016
PmDE2000 -0.031
Hipparcos
Catalog H HIP 22761 Proxy RAhms 04 53 49.68
DEdms -26 25 44.9 Vmag 8.98 VarFlag R Vmag H
RAdeg 73.457 DEdeg -26.4292 AstroRef A Plx 2.7
CCDM 04538-2626 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 31341 BD
CD CD-26 1891 CP CP-26 651 Dm number -26 1891 VIred 1.08
SpType K0II R SpType Coord arcsec 2000 045349.68-262544.9
Hipparcos 2
HIP 22761 Sn 95 So 3 Nc 1
RArad 1.2820665031 DErad -0.4612757012 Plx 2.8 PmRA -3.19
PmDE -16.05 E RArad 0.9 E DErad 1.39 E Plx 1.8
E pmRA 1.09 E pmDE 1.8 Hpmag 9.1449 E Hpmag 0.0139
SHp 0.057 VA 0 BV 1.039 E BV 0.024
VI 1.01
CCDM
Ccdm 04538-2626 RComp Comp A Note1
Note2 Discov num DRAs 1.64 DDEs 14.3
R dRAs 40 Year Theta Rho
Obs 2 Vmag 8.0 Sp K0 PmNote
PmRA -26 PmDE -31 Dm number -26 1891 Cat1 CD
Name2 169861 Cat2 SAO HD 31341 M HD
ADS BDS M ADS BDS N IDS * IDS 04498S2636A
HIC 22761
 
 
04538-2626 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 045350.58-262556.2 Mag 10.67 PmRA -1.00
PmDE -13.0 HIP 22766 Tycho2 6469-02222-1 Calc delta mag 1.61
Calc coord yes
Tycho2
Tycho2 6469-02222-1 Pflag RAmdeg 73.46120542 DEmdeg -26.43224487
PmRA 0.9 PmDE -11.8 E RAmdeg 32 E DEmdeg 24
E pmRA 2.7 E pmDE 2.4 EpRAm 1989.97 EpDEm 1990.58
Num 3 Q RAmdeg 2.2 Q DEmdeg 1.4 Q pmRA 2.3
Q pmDE 1.4 BTmag 11.437 E BTmag 0.052 VTmag 10.668
E VTmag 0.040 Prox 175 TYC T HIP 22766
CCDM B RAdeg 73.46120306 DEdeg -26.43221806 EpRA 1990 1.68
EpDE 1990 1.86 E RAdeg 31.5 E DEdeg 24.3 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 22766 Proxy RAhms 04 53 50.69
DEdms -26 25 56.0 Vmag 10.68 VarFlag R Vmag H
RAdeg 73.4612 DEdeg -26.4322 AstroRef B Plx -9.22
CCDM 04538-2626 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.74
SpType R SpType Coord arcsec 2000 045350.69-262556.0
Hipparcos 2
HIP 22766 Sn 95 So 3 Nc 1
RArad 1.2821400841 DErad -0.461329432 Plx -8.54 PmRA -9.62
PmDE 1.01 E RArad 2.75 E DErad 4.06 E Plx 5.41
E pmRA 3.56 E pmDE 5.93 Hpmag 10.8658 E Hpmag 0.0595
SHp 0 VA 0 BV 0.617 E BV 0.056
VI 0.69
CCDM
Ccdm 04538-2626 RComp Comp B Note1
Note2 Discov num RSU DRAs 2.65 DDEs 4.1
R dRAs 40 Year 1976 Theta 129 Rho 16.9
Obs 1 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 04498S2636B
HIC 22766