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Doubles in session


Current system
12520+3146
LDS 4287


Nearby doubles
7' : 12525+3144
LDS2889

11' : 12525+3155
HJ 524

21' : 12531+3131
LDS3065

23' : 12510+3129
HDS1804

33' : 12529+3116
SHN 25

35' : 12506+3117
CVR1471

37' : 12528+3111
LDS4289

43' : 12494+3212
LDS4278

48' : 12550+3118
JNN 82

49' : 12537+3102
LDS4291

52' : 12487+3214
LDS4276

57' : 12479+3208
SEI 533AB

63' : 12540+3243
SKF 340AB

71' : 12568+3114
LDS1345

74' : 12485+3049
LDS4274

74' : 12567+3103
CBL 401

78' : 12573+3109
LDS1346

84' : 12569+3242
SKF2600

84' : 12562+3043
LDS1344

88' : 12477+3254
SLW 774

91' : 12470+3250
CBL 55

92' : 12573+3046
LDS1347

95' : 12576+3248
COU 969

95' : 12594+3156
LDS1351

95' : 12592+3124
CVR1481

97' : 12552+3020
CVR1477



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12520+3146 LDS 4287

 
 
12h 52m 01.35s +31° 46' 28.0" P.A. 143.00 sep 35.0 mag 9.90,18.30 Sp K2IV dist. 210.97 pc (688.18 l.y.)
 
 
Coord 2000 12520+3146 Discov num LDS4287 Comp Coord arcsec 2000 12 52 01.35 +31 46 28.0
Date first 1960 Date last 2015 Obs 8
Pa first 152 Pa last 143.2 P.A. Now (θ) 143.2°
Sep first 30.0 Sep last 35.048 Sep. Now (ρ) 35.048"
Mag pri 9.90 Mag sec 18.30 delta mag (ΔM) 8.4 Spectral class K2IV (yellow-orange)
Pri motion ra -062 Sec motion ra
Pri motion dec -020 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Canes Venatici SAO 63227 HIP 62791 Tycho2 2531-00482-1
Gaia DR2 1513807716496399616 HD 111860 BD BD+32 2287 Distance 210.97
Distance ly 688.18
 
 
WDS 12520+3146 LDS 4287 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (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
12520+3146 LDS4287 2000 2 144 34.3 9.90 18.30 D 125201.35+314628.0
12520+3146 LDS4287 2010 3 145 34.0 9.90 18.30 K2IV 125201.35+314628.0
12520+3146 LDS4287 2015 4 143 35.1 9.90 18.30 K2IV 125201.35+314628.0

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

 
 
WDS 12520+3146 LDS 4287 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12520+3146 LDS 4287 : MEASURES
 
 
No records found.

 
 
WDS 12520+3146 : VIRTUAL EYEPIECE
 
 

12520+3146 LDS4287A mag 9.9 Sp K2IV 12520+3146 LDS4287B sep 33.3 P.A. 147.50 mag 18.3 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 12520+3146 : ALADIN DSS IMAGE @ 12h 52m 01.35s +31° 46' 28.0"
 
 
 
 
WDS 12520+3146 LDS 4287 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12520+3146 LDS4287 distance=0' 12525+3144 LDS2889 distance=7' 12525+3155 HJ 524 distance=11' 12531+3131 LDS3065 distance=21' 12510+3129 HDS1804 distance=23' 12529+3116 SHN 25 distance=33' 12506+3117 CVR1471 distance=35' 12528+3111 LDS4289 distance=37' 12494+3212 LDS4278 distance=43' 12550+3118 JNN 82 distance=48' 12537+3102 LDS4291 distance=49' 12487+3214 LDS4276 distance=52' 12479+3208 SEI 533AB distance=57' 12479+3208 SIN 75AC distance=57' 12540+3243 SKF 340AB distance=63' 12540+3243 SKF 340AC distance=63' 12568+3114 LDS1345 distance=71' 12485+3049 LDS4274 distance=74' 12567+3103 CBL 401 distance=74' 12573+3109 LDS1346 distance=78' 12569+3242 SKF2600 distance=84' 12562+3043 LDS1344 distance=84' 12477+3254 SLW 774 distance=88' 12470+3250 CBL 55 distance=91' 12573+3046 LDS1347 distance=92' 12576+3248 COU 969 distance=95' 12594+3156 LDS1351 distance=95' 12592+3124 CVR1481 distance=95' 12552+3020 CVR1477 distance=97' 12452+3106 COU 968 distance=97' 12447+3109 DAM2483 distance=101' 12445+3117 LDS4259 distance=102' 12578+3038 LDS1348 distance=102' 12599+3132 LDS1352 distance=102' 13000+3205 LDS1353AB distance=104' 12586+3253 ES 2413 distance=106' 12569+3313 SKF2601 distance=107' 12487+3007 LDS3060 distance=109' 12574+3022 STF1696 distance=109' 12534+3339 LDS1339 distance=115' 12432+3213 CVR1461 distance=116' 12472+3325 LDS5217 distance=117' 12528+3344 SKF 257AB distance=119' 12528+3344 TOK 284AC distance=119' 12587+3309 CVR 674 distance=119' 12467+3327 DAM 709 distance=121' 13003+3047 HDS1823Aa,Ab distance=122' 13003+3047 BU 1081AB distance=122' 12473+2959 LDS4268 distance=123' 12473+2958 LDS4267 distance=125' 12594+3026 SKF 806 distance=125' 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 12520+3146 LDS4287 143 35.0
Show 12525+3144 LDS2889 351 11.9 7
Show 12525+3155 HJ 524 112 21.8 11
Show 12531+3131 LDS3065 298 128.3 21
Show 12510+3129 HDS1804 258 0.8 23
Show 12529+3116 SHN 25 166 0.2 33
Show 12506+3117 CVR1471 80 4.4 35
Show 12528+3111 LDS4289 85 114.7 37
Show 12494+3212 LDS4278 212 95.7 43
Show 12550+3118 JNN 82 349 0.7 48
Show 12537+3102 LDS4291 289 54.7 49
Show 12487+3214 LDS4276 70 48.5 52
Show 12479+3208 SEI 533 AB 267 22.6 57
Show 12479+3208 SIN 75 AC 115.3 57
Show 12540+3243 SKF 340 AB 180 14.3 63
Show 12540+3243 SKF 340 AC 196 2.1 63
Show 12568+3114 LDS1345 73 8.0 71
Show 12485+3049 LDS4274 295 49.9 74
Show 12567+3103 CBL 401 193 35.4 74
Show 12573+3109 LDS1346 153 215.0 78
Show 12569+3242 SKF2600 96 37.6 84
Show 12562+3043 LDS1344 341 61.1 84
Show 12477+3254 SLW 774 316 9.2 88
Show 12470+3250 CBL 55 20 54.1 91
Show 12573+3046 LDS1347 110 79.4 92
Show 12576+3248 COU 969 67 0.8 95
Show 12594+3156 LDS1351 168 1.9 95
Show 12592+3124 CVR1481 47 3.5 95
Show 12552+3020 CVR1477 123 3.2 97
Show 12452+3106 COU 968 263 1.7 97
Show 12447+3109 DAM2483 2 1.2 101
Show 12445+3117 LDS4259 307 3.7 102
Show 12578+3038 LDS1348 281 5.3 102
Show 12599+3132 LDS1352 219 8.2 102
Show 13000+3205 LDS1353 AB 145 33.9 104
Show 12586+3253 ES 2413 340 5.6 106
Show 12569+3313 SKF2601 137 6.7 107
Show 12487+3007 LDS3060 182 171.6 109
Show 12574+3022 STF1696 204 3.7 109
Show 12534+3339 LDS1339 164 92.9 115
Show 12432+3213 CVR1461 278 3.2 116
Show 12472+3325 LDS5217 256 3.5 117
Show 12528+3344 SKF 257 AB 229 3.8 119
Show 12528+3344 TOK 284 AC 124 442.1 119
Show 12587+3309 CVR 674 349 23.7 119
Show 12467+3327 DAM 709 66 5.1 121
Show 13003+3047 HDS1823 Aa,Ab 180 0.1 122
Show 13003+3047 BU 1081 AB 350 5.3 122
Show 12473+2959 LDS4268 56 6.3 123
Show 12473+2958 LDS4267 288 21.6 125
Show 12594+3026 SKF 806 240 7.2 125

 
 
WDS 12520+3146 : COMPONENTS
 
 
  A
B pa=147.5°
sep=33.26"
 
 
12520+3146 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 125201.35+314628.0 Mag 9.9 Spectral class K2IV (yellow-orange)
PmRA -62.00 PmDE -20.0 SAO 63227 HIP 62791
Tycho2 2531-00482-1 HD 111860 BD BD+32 2287
Tycho2
Tycho2 2531-00482-1 Pflag RAmdeg 193.00547117 DEmdeg 31.77445989
PmRA -60.8 PmDE 2.0 E RAmdeg 11 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.85 EpDEm 1989.54
Num 9 Q RAmdeg 0.6 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 10.379 E BTmag 0.032 VTmag 9.102
E VTmag 0.018 Prox 999 TYC T HIP 62791
CCDM RAdeg 193.00563667 DEdeg 31.77445500 EpRA 1990 1.66
EpDE 1990 1.59 E RAdeg 11.5 E DEdeg 13.1 Posflg
Corr 0.2
SAO
SAO 63227 DelFlag RA1950 PmRA1950 -0.0043
DE1950 PmDE1950 -0.018 Vmag 8.8 SpType K0
Double code Source 6 CatNum 1168 DM BD+32 2287
DMcomp BDsup HD 111860 M HD 0
GC RA1950rad 3.35808436 DE1950rad 0.55930504 PmRA2000 -0.0042
PmDE2000 -0.013
Hipparcos
Catalog H HIP 62791 Proxy RAhms 12 52 01.35
DEdms +31 46 28.0 Vmag 9 VarFlag R Vmag H
RAdeg 193.006 DEdeg 31.7745 AstroRef Plx 4.5
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 111860 BD BD+32 2287
CD CP Dm number +32 2287 VIred 1.11
SpType K0III R SpType Coord arcsec 2000 125201.35+314628.0
Hipparcos 2
HIP 62791 Sn 5 So 0 Nc 1
RArad 3.3685839054 DErad 0.5545689119 Plx 4.74 PmRA -62.36
PmDE 3.45 E RArad 0.86 E DErad 0.69 E Plx 1.04
E pmRA 1.18 E pmDE 0.76 Hpmag 9.1651 E Hpmag 0.0024
SHp 0.017 VA 0 BV 1.147 E BV 0.015
VI 1.11
CCDM
Ccdm 12520+3146 RComp Comp A Note1
Note2 Discov num DRAs 1.19 DDEs 27.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp K0 PmNote *
PmRA -80 PmDE -3 Dm number +32 2287 Cat1 BD
Name2 +32 1168 Cat2 AGK2/3 HD 111860 M HD
ADS BDS M ADS BDS N IDS IDS 12472N3219A
HIC 62791
 
 
12520+3146 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 125202.75+314559.9 Mag 18.3 Calc delta mag 8.4
Calc coord yes
CCDM
Ccdm 12520+3146 RComp Comp B Note1
Note2 Discov num LDS4287 DRAs DDEs
R dRAs Year 1960 Theta 152 Rho 30.0
Obs 1 Vmag 18.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12472N3219B
HIC