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Doubles in session


Current system
10227+3956
HDS 1494
HD 89809


Nearby doubles
22' : 10245+4008
ES 1542

36' : 10215+3923
NSN 602

42' : 10241+4034
ES 1394

46' : 10201+4029
BVD 212

54' : 10218+3904
LDS3983

56' : 10242+3903
UC 1923

67' : 10283+4013
HJ 2531

68' : 10257+4055
STF1430AB

69' : 10186+3907
STF1420

71' : 10249+3849
COU1745

74' : 10164+4003
A 2147

76' : 10169+4029
UC 1904

78' : 10188+3854
SLW 462

79' : 10222+4114
WIL 2AB

92' : 10151+3931
OSV 4AB

92' : 10167+3856
LDS3971

93' : 10229+3823
CVR1286

98' : 10218+3819
LDS3982

107' : 10166+4117
SHY 552

111' : 10135+3928
STF1414

113' : 10199+3808
UC 1915

114' : 10275+4136
COU1900AB

115' : 10282+3819
LDS 915AB

123' : 10216+3754
LDS1237

124' : 10332+4026
HJ 2534AB

125' : 10165+3815
KPP3813



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

10227+3956 HDS 1494 (HD 89809)

 
 
10h 22m 44.75s +39° 55' 32.9" P.A. 291.00 sep 0.1 mag 8.71,11.06 Sp K0 dist. 279.33 pc (911.17 l.y.)
 
 
Coord 2000 10227+3956 Discov num HDS1494 Comp Coord arcsec 2000 10 22 44.75 +39 55 32.9
Date first 1991 Date last 2015 Obs 3
Pa first 313 Pa last 291 P.A. Now (θ) 291°
Sep first 0.2 Sep last 0.104 Sep. Now (ρ) 0.104"
Mag pri 8.71 Mag sec 11.06 delta mag (ΔM) 2.35 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 89809 Constellation Ursa Major SAO 43312 HIP 50830
Tycho2 3001-00135-1 Gaia DR2 804069868392969216 HD 89809 BD BD+40 2321
Distance 279.33 Distance ly 911.17
 
 
WDS 10227+3956 HDS 1494 (HD 89809) : 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
10227+3956 HDS1494 1991 1 313 0.2 8.71 11.06 K0 102244.75+395532.9
10227+3956 HDS1494 2015 3 291 0.1 8.71 11.06 K0 102244.75+395532.9

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

 
 
WDS 10227+3956 HDS 1494 (HD 89809) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10227+3956 HDS 1494 (HD 89809) : MEASURES
 
 
No records found.

 
 
WDS 10227+3956 (HD 89809) : VIRTUAL EYEPIECE
 
 

10227+3956 HDS1494A mag 8.71 Sp K0 10227+3956 HDS1494B sep 0.1 P.A. 296.60 mag 11.06 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10227+3956 (HD 89809) : ALADIN DSS IMAGE @ 10h 22m 44.75s +39° 55' 32.9"
 
 
 
 
WDS 10227+3956 HDS 1494 (HD 89809) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10227+3956 HDS1494 distance=0' 10245+4008 ES 1542 distance=22' 10215+3923 NSN 602 distance=36' 10241+4034 ES 1394 distance=42' 10201+4029 BVD 212 distance=46' 10218+3904 LDS3983 distance=54' 10242+3903 UC 1923 distance=56' 10283+4013 HJ 2531 distance=67' 10257+4055 STF1430AB distance=68' 10257+4055 STF1430AC distance=68' 10186+3907 STF1420 distance=69' 10249+3849 COU1745 distance=71' 10169+3935 RAO 649Aa,Ab distance=71' 10164+4003 A 2147 distance=74' 10169+4029 UC 1904 distance=76' 10188+3854 SLW 462 distance=78' 10222+4114 WIL 2AB distance=79' 10222+4114 MUG 7AC distance=79' 10222+4114 MUG 7AD distance=79' 10222+4114 MUG 7AE distance=79' 10222+4114 MUG 7A,FG distance=79' 10222+4114 RBR 17AH distance=79' 10222+4114 MUG 7EF distance=79' 10222+4114 MUG 7EG distance=79' 10222+4114 MUG 7FG distance=79' 10151+3931 OSV 4AB distance=92' 10151+3931 SIN 50AC distance=92' 10167+3856 LDS3971 distance=92' 10229+3823 CVR1286 distance=93' 10218+3819 LDS3982 distance=98' 10166+4117 SHY 552 distance=107' 10135+3928 STF1414 distance=111' 10199+3808 UC 1915 distance=113' 10275+4136 COU1900AB distance=114' 10275+4136 DRS 45AC distance=114' 10282+3819 LDS 915AB distance=115' 10282+3819 LDS 915AC distance=115' 10282+3819 LDS 915BC distance=120' 10216+3754 LDS1237 distance=123' 10332+4026 HJ 2534AB distance=124' 10332+4026 TOK 538AC distance=124' 10165+3815 KPP3813 distance=125' 10246+4158 KPP1890 distance=125' 10336+3934 UC 1955 distance=128' 10240+4204 CVR1288 distance=129' 10337+4028 DAM2424 distance=130' 10340+3940 SHN 136 distance=131' 10340+3934 DAM2429 distance=132' 10107+3955 UC 151 distance=139' 10344+4041 LDS3998 distance=140' 10320+3824 SLW 486 distance=142' 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 10227+3956 HDS1494 291 0.1
Show 10245+4008 ES 1542 202 3.6 22
Show 10215+3923 NSN 602 89 1.5 36
Show 10241+4034 ES 1394 145 6.7 42
Show 10201+4029 BVD 212 133 45.8 46
Show 10218+3904 LDS3983 113 330.5 54
Show 10242+3903 UC 1923 243 5.7 56
Show 10283+4013 HJ 2531 3 8.6 67
Show 10257+4055 STF1430 AB 272 21.2 68
Show 10257+4055 STF1430 AC 236 23.0 68
Show 10186+3907 STF1420 318 2.2 69
Show 10249+3849 COU1745 82 1.7 71
Show 10169+3935 RAO 649 Aa,Ab 104 0.3 71
Show 10164+4003 A 2147 277 0.9 74
Show 10169+4029 UC 1904 315 20.2 76
Show 10188+3854 SLW 462 173 43.1 78
Show 10222+4114 WIL 2 AB 50 63.1 79
Show 10222+4114 MUG 7 AC 223 30.7 79
Show 10222+4114 MUG 7 AD 209 11.6 79
Show 10222+4114 MUG 7 AE 79 22.0 79
Show 10222+4114 MUG 7 A,FG 67 45.3 79
Show 10222+4114 RBR 17 AH 54 5.6 79
Show 10222+4114 MUG 7 EF 57 24.2 79
Show 10222+4114 MUG 7 EG 56 25.7 79
Show 10222+4114 MUG 7 FG 52 1.4 79
Show 10151+3931 OSV 4 AB 41 97.0 92
Show 10151+3931 SIN 50 AC 313 83.2 92
Show 10167+3856 LDS3971 156 18.6 92
Show 10229+3823 CVR1286 216 4.7 93
Show 10218+3819 LDS3982 56 79.3 98
Show 10166+4117 SHY 552 6 106.9 107
Show 10135+3928 STF1414 94 4.1 111
Show 10199+3808 UC 1915 69 65.2 113
Show 10275+4136 COU1900 AB 305 2.4 114
Show 10275+4136 DRS 45 AC 114 102.0 114
Show 10282+3819 LDS 915 AB 151 270.6 115
Show 10282+3819 LDS 915 AC 152 274.5 115
Show 10282+3819 LDS 915 BC 211 7.6 120
Show 10216+3754 LDS1237 4 7.2 123
Show 10332+4026 HJ 2534 AB 16.9 124
Show 10332+4026 TOK 538 AC 295 345.6 124
Show 10165+3815 KPP3813 202 2.4 125
Show 10246+4158 KPP1890 12 14.8 125
Show 10336+3934 UC 1955 78 88.1 128
Show 10240+4204 CVR1288 353 4.3 129
Show 10337+4028 DAM2424 197 3.9 130
Show 10340+3940 SHN 136 -1 0.0 131
Show 10340+3934 DAM2429 62 11.8 132
Show 10107+3955 UC 151 190 82.7 139
Show 10344+4041 LDS3998 220 104.2 140
Show 10320+3824 SLW 486 291 10.3 142

 
 
WDS 10227+3956 : COMPONENTS
 
 
  A
B pa=296.6°
sep=0.08"
 
 
10227+3956 A
 
 
Componente originario normalizzato AB Name HD 89809 Coord arcsec 2000 102244.75+395532.9 Mag 8.71
Spectral class K0 (yellow-orange) PmRA -3.00 PmDE -4.0 SAO 43312
HIP 50830 Tycho2 3001-00135-1 HD 89809 BD BD+40 2321
Tycho2
Tycho2 3001-00135-1 Pflag RAmdeg 155.68646171 DEmdeg 39.92580060
PmRA -0.5 PmDE -6.1 E RAmdeg 8 E DEmdeg 9
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.29 EpDEm 1990.09
Num 11 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 1.0 BTmag 9.545 E BTmag 0.022 VTmag 8.529
E VTmag 0.015 Prox 999 TYC T HIP 50830
CCDM AB RAdeg 155.68646306 DEdeg 39.92581528 EpRA 1990 1.65
EpDE 1990 1.47 E RAdeg 8.4 E DEdeg 9.3 Posflg P
Corr 0.0
SAO
SAO 43312 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.014 Vmag 8.3 SpType K0
Double code Source 4 CatNum 1126 DM BD+40 2321
DMcomp BDsup HD 89809 M HD 0
GC RA1950rad 2.70435491 DE1950rad 0.70125025 PmRA2000 -0.0001
PmDE2000 -0.009
Hipparcos
Catalog H HIP 50830 Proxy H RAhms 10 22 44.75
DEdms +39 55 32.9 Vmag 8.43 VarFlag R Vmag H
RAdeg 155.686 DEdeg 39.9258 AstroRef * Plx 4.66
CCDM 10227+3956 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual D M HIP AB
Theta 313 Rho 0.166 HD 89809 BD BD+40 2321
CD CP Dm number +40 2321 VIred 0.91
SpType K0 R SpType Coord arcsec 2000 102244.75+395532.9
Hipparcos 2
HIP 50830 Sn 55 So 3 Nc 2
RArad 2.7172414621 DErad 0.6968369508 Plx 3.58 PmRA -3.3
PmDE -4.18 E RArad 0.82 E DErad 0.66 E Plx 0.98
E pmRA 0.89 E pmDE 0.68 Hpmag 8.5908 E Hpmag 0.002
SHp 0.014 VA 0 BV 0.9 E BV 0.018
VI 0.9
CCDM
Ccdm 10227+3956 RComp Comp A Note1
Note2 Discov num DRAs 2.75 DDEs -27.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.7 Sp K0 PmNote *
PmRA -3 PmDE -4 Dm number +40 2321 Cat1 BD
Name2 +40 1126 Cat2 AGK2/3 HD 89809 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 50830
 
 
10227+3956 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102244.74+395532.9 Mag 11.06 Calc delta mag 2.35
Calc coord yes
CCDM
Ccdm 10227+3956 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.74 DDEs -27.0
R dRAs 82 Year 1991 Theta 313 Rho 0.2
Obs 1 Vmag 11.1 Sp PmNote *
PmRA -3 PmDE -4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 50830