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Current system
15418+3054
HDS 2217
HD 140298


Nearby doubles
31' : 15441+3046
TDS9607

35' : 15419+3128
PRY 1

36' : 15415+3129
TDS9590

38' : 15393+3033
GRV 909

38' : 15406+3128
COU 613

41' : 15403+3019
BRT 253

57' : 15392+3140
TDS9577

59' : 15378+3026
BRT 252

60' : 15404+3151
TDS 782

70' : 15379+3006
STF1963AB

75' : 15475+3044
KPP3296

81' : 15470+3010
BRT 254

83' : 15381+2947
TDS9571

84' : 15369+2959
DEA 52

84' : 15355+3033
TDS9555

89' : 15451+2936
COU 614

89' : 15408+2926
TDS9588

89' : 15360+3143
COU 799

91' : 15415+3225
LDS4584

93' : 15488+3036
GRV 914

98' : 15381+2929
RAO 506

103' : 15381+3225
CFN 12

107' : 15501+3046
HDS2230AB

107' : 15356+2944
TDS9557

111' : 15503+3114
HJ 2792

114' : 15331+3113
COU 611



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15418+3054 HDS 2217 (HD 140298)

 
 
15h 41m 48.04s +30° 54' 05.8" P.A. 178.00 sep 0.1 mag 9.22,10.80 Sp K0 dist. 602.41 pc (1965.06 l.y.)
 
 
Coord 2000 15418+3054 Discov num HDS2217 Comp Coord arcsec 2000 15 41 48.04 +30 54 05.8
Date first 1991 Date last 2013 Obs 2
Pa first 336 Pa last 178.2 P.A. Now (θ) 178.2°
Sep first 0.2 Sep last 0.128 Sep. Now (ρ) 0.128"
Mag pri 9.22 Mag sec 10.80 delta mag (ΔM) 1.58 Spectral class K0 (yellow-orange)
Pri motion ra +003 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 140298 Constellation Corona Borealis SAO 64850 HIP 76869
Tycho2 2571-00135-1 Gaia DR2 1369382122545923328 HD 140298 BD BD+31 2764
Distance 602.41 Distance ly 1965.06
 
 
WDS 15418+3054 HDS 2217 (HD 140298) : 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
15418+3054 HDS2217 1991 1 336 0.2 9.22 10.80 K0 154148.04+305405.8
15418+3054 HDS2217 2013 2 178 0.1 9.22 10.80 K0 154148.04+305405.8

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

 
 
WDS 15418+3054 HDS 2217 (HD 140298) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15418+3054 HDS 2217 (HD 140298) : MEASURES
 
 
No records found.

 
 
WDS 15418+3054 (HD 140298) : VIRTUAL EYEPIECE
 
 

15418+3054 HDS2217A mag 9.22 Sp K0 15418+3054 HDS2217B sep 0.1 P.A. 178.50 mag 10.8 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 15418+3054 (HD 140298) : ALADIN DSS IMAGE @ 15h 41m 48.04s +30° 54' 05.8"
 
 
 
 
WDS 15418+3054 HDS 2217 (HD 140298) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15418+3054 HDS2217 distance=0' 15441+3046 TDS9607 distance=31' 15419+3128 PRY 1 distance=35' 15415+3129 TDS9590 distance=36' 15393+3033 GRV 909 distance=38' 15406+3128 COU 613 distance=38' 15403+3019 BRT 253 distance=41' 15392+3140 TDS9577 distance=57' 15378+3026 BRT 252 distance=59' 15404+3151 TDS 782 distance=60' 15379+3006 STF1963AB distance=70' 15379+3006 STF1963AC distance=70' 15475+3044 KPP3296 distance=75' 15470+3010 BRT 254 distance=81' 15381+2947 TDS9571 distance=83' 15369+2959 DEA 52 distance=84' 15355+3033 TDS9555 distance=84' 15451+2936 COU 614 distance=89' 15408+2926 TDS9588 distance=89' 15360+3143 COU 799 distance=89' 15415+3225 LDS4584 distance=91' 15488+3036 GRV 914 distance=93' 15381+2929 RAO 506 distance=98' 15381+3225 CFN 12 distance=103' 15501+3046 HDS2230AB distance=107' 15501+3046 GII 224Aa,Ab distance=107' 15356+2944 TDS9557 distance=107' 15503+3114 HJ 2792 distance=111' 15331+3113 COU 611 distance=114' 15344+3201 HU 746 distance=116' 15329+3122 COU 610 distance=118' 15394+2901 TDS9580 distance=118' 15347+2938 TDS9550 distance=120' 15503+3003 LDS4592 distance=121' 15423+2853 CRB 1 distance=122' 15396+2856 TDS9582 distance=122' 15362+2912 TDS9558 distance=126' 15511+3008 TDS9660 distance=129' 15335+2936 TDS9548 distance=133' 15314+3102 TDS9535 distance=135' 15523+3119 HJ 2795AB distance=137' 15488+3241 COU 801 distance=138' 15419+3313 KPP 744 distance=139' 15503+3224 HJ 574AB distance=142' 15503+3224 HJ 574AC distance=142' 15373+2842 TDS9562 distance=145' 15478+3301 HDS2225 distance=148' 15518+3211 LDS4596 distance=151' 15524+2948 UC 3074 distance=152' 15364+2838 WIS 289 distance=154' 15408+3329 LDS4581 distance=155' 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 15418+3054 HDS2217 178 0.1
Show 15441+3046 TDS9607 121 0.8 31
Show 15419+3128 PRY 1 112 5.6 35
Show 15415+3129 TDS9590 108 2.7 36
Show 15393+3033 GRV 909 262 27.1 38
Show 15406+3128 COU 613 25 0.2 38
Show 15403+3019 BRT 253 268 5.4 41
Show 15392+3140 TDS9577 112 0.4 57
Show 15378+3026 BRT 252 216 4.6 59
Show 15404+3151 TDS 782 61 1.3 60
Show 15379+3006 STF1963 AB 298 5.2 70
Show 15379+3006 STF1963 AC 116 32.4 70
Show 15475+3044 KPP3296 142 2.0 75
Show 15470+3010 BRT 254 131 5.3 81
Show 15381+2947 TDS9571 35 0.5 83
Show 15369+2959 DEA 52 84 36.1 84
Show 15355+3033 TDS9555 196 1.4 84
Show 15451+2936 COU 614 40 0.3 89
Show 15408+2926 TDS9588 51 0.6 89
Show 15360+3143 COU 799 265 1.0 89
Show 15415+3225 LDS4584 356 45.8 91
Show 15488+3036 GRV 914 74 16.1 93
Show 15381+2929 RAO 506 -1 0.2 98
Show 15381+3225 CFN 12 149 1.1 103
Show 15501+3046 HDS2230 AB 313 1.8 107
Show 15501+3046 GII 224 Aa,Ab 16 0.2 107
Show 15356+2944 TDS9557 346 0.4 107
Show 15503+3114 HJ 2792 351 27.0 111
Show 15331+3113 COU 611 96 0.7 114
Show 15344+3201 HU 746 216 2.0 116
Show 15329+3122 COU 610 198 0.8 118
Show 15394+2901 TDS9580 236 0.6 118
Show 15347+2938 TDS9550 103 0.8 120
Show 15503+3003 LDS4592 129 38.2 121
Show 15423+2853 CRB 1 222 16.1 122
Show 15396+2856 TDS9582 195 0.4 122
Show 15362+2912 TDS9558 212 0.4 126
Show 15511+3008 TDS9660 322 1.9 129
Show 15335+2936 TDS9548 186 0.6 133
Show 15314+3102 TDS9535 5 0.5 135
Show 15523+3119 HJ 2795 AB 29 12.4 137
Show 15488+3241 COU 801 196 1.5 138
Show 15419+3313 KPP 744 39 6.6 139
Show 15503+3224 HJ 574 AB 94 15.8 142
Show 15503+3224 HJ 574 AC 96 76.4 142
Show 15373+2842 TDS9562 190 0.5 145
Show 15478+3301 HDS2225 327 0.3 148
Show 15518+3211 LDS4596 40 114.8 151
Show 15524+2948 UC 3074 213 30.5 152
Show 15364+2838 WIS 289 1 999.9 154
Show 15408+3329 LDS4581 33 9.6 155

 
 
WDS 15418+3054 : COMPONENTS
 
 
  A
B pa=178.5°
sep=0.13"
 
 
15418+3054 A
 
 
Componente originario normalizzato AB Name HD 140298 Coord arcsec 2000 154148.04+305405.8 Mag 9.22
Spectral class K0 (yellow-orange) PmRA 3.00 PmDE -14.0 SAO 64850
HIP 76869 Tycho2 2571-00135-1 HD 140298 BD BD+31 2764
Tycho2
Tycho2 2571-00135-1 Pflag RAmdeg 235.45015778 DEmdeg 30.90157280
PmRA 3.5 PmDE -13.1 E RAmdeg 9 E DEmdeg 9
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.12 EpDEm 1990.58
Num 12 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.3 BTmag 10.542 E BTmag 0.028 VTmag 8.985
E VTmag 0.013 Prox 999 TYC T HIP 76869
CCDM AB RAdeg 235.45014944 DEdeg 30.90160306 EpRA 1990 1.73
EpDE 1990 1.71 E RAdeg 9.5 E DEdeg 8.8 Posflg P
Corr -0.2
SAO
SAO 64850 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.019 Vmag 8.8 SpType K0
Double code Source 6 CatNum 1360 DM BD+31 2764
DMcomp BDsup HD 140298 M HD 0
GC RA1950rad 4.10059215 DE1950rad 0.54210919 PmRA2000 0.0008
PmDE2000 -0.016
Hipparcos
Catalog H HIP 76869 Proxy H RAhms 15 41 48.04
DEdms +30 54 05.8 Vmag 8.84 VarFlag R Vmag H
RAdeg 235.45 DEdeg 30.9016 AstroRef * Plx 0.76
CCDM 15418+3054 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 336 Rho 0.18 HD 140298 BD BD+31 2764
CD CP Dm number +31 2764 VIred 1.02
SpType K0 R SpType Coord arcsec 2000 154148.04+305405.8
Hipparcos 2
HIP 76869 Sn 55 So 3 Nc 2
RArad 4.1093803213 DErad 0.5393348 Plx 1.66 PmRA 3.65
PmDE -13.72 E RArad 0.61 E DErad 0.73 E Plx 1.07
E pmRA 0.63 E pmDE 0.87 Hpmag 8.9941 E Hpmag 0.0023
SHp 0.024 VA 0 BV 1.326 E BV 0.027
VI 1.29
CCDM
Ccdm 15418+3054 RComp Comp A Note1
Note2 Discov num DRAs 0.04 DDEs 5.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.2 Sp K0 PmNote *
PmRA 3 PmDE -14 Dm number +31 2764 Cat1 BD
Name2 +31 1360 Cat2 AGK2/3 HD 140298 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 76869
 
 
15418+3054 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 154148.04+305405.7 Mag 10.8 Calc delta mag 1.58
Calc coord yes
CCDM
Ccdm 15418+3054 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.04 DDEs 5.8
R dRAs 82 Year 1991 Theta 336 Rho 0.2
Obs 1 Vmag 10.8 Sp PmNote *
PmRA 3 PmDE -14 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 76869