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Doubles in session


Current system
12507+2032
HU 640 AB


Nearby doubles
27' : 12496+2053
LDS5760

57' : 12533+2115
STF1687AB

64' : 12494+1931
TDS 679

65' : 12531+1936
TOK 152

67' : 12530+1935
J 2087

71' : 12553+2005
LDS2890

78' : 12492+2147
STF1680

80' : 12561+2011
TDS8597

84' : 12519+1910
STF1685AB

87' : 12566+2101
HO 538AB

90' : 12569+2056
AZC 78

92' : 12551+1925
GWP1878

95' : 12515+2207
LDS 940AB

95' : 12514+2206
CFN 10

99' : 12481+2204
AZC 77

102' : 12440+2110
STT 253

102' : 12452+1927
SLW 767

106' : 12451+2143
GRV 858

110' : 12547+2206
MET 9

114' : 12569+2144
DBR 309

115' : 12562+2157
SHN 168

116' : 12573+1925
SLN 73

117' : 12431+2117
LDS5758

125' : 12444+2200
HDS1783

127' : 12595+2000
LDS2894

127' : 12479+1832
LDS4273



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.

12507+2032 HU 640 AB

 
 
12h 50m 41.87s +20° 32' 04.9" P.A. 259.00 sep 0.5 mag 10.19,9.91 Sp K5 dist. 38.27 pc (124.84 l.y.)
 
 
Coord 2000 12507+2032 Discov num HU  640 Comp AB Coord arcsec 2000 12 50 41.87 +20 32 04.9
Date first 1903 Date last 2019 Obs 94
Pa first 284 Pa last 258.9 P.A. Now (θ) 268.9°
Sep first 0.4 Sep last 0.458 Sep. Now (ρ) 0.442"
Mag pri 10.19 Mag sec 9.91 delta mag (ΔM) 0.28 Spectral class K5 (yellow-orange)
Pri motion ra -125 Sec motion ra -125
Pri motion dec -033 Sec motion dec -033
Notes O (Orbital solution)
This double is physical.
 
 
12507+2032 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 50 42 +20 32 05 HU 640 AB 2019 94 259 0.5 10.19 9.91 0.28 Y <===
Show 12 50 42 +20 32 05 TOK 561 AC 2015 7 119 999.9 9.39 14.75 5.36
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices HIP 62686 Tycho2 1455-01057-1 ADS 8680
BD BD+21 2462 Distance 38.27 Distance ly 124.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)124.28y Periastron (T)1911.28y Semi-major axis (a)0.62a
Eccentricity (e)0.387 Inclination (i)54.8° Longitude of periastron (ω)46.9°
Node (Ω)286.3° Notes ReferenceHrt2014b
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 191.9 0.431
2001 195.2 0.425
2002 198.5 0.420
2003 201.9 0.416
2004 205.3 0.413
2005 208.8 0.410
2006 212.3 0.408
2007 215.9 0.407
2008 219.5 0.407
2009 223.1 0.407
2010 226.6 0.408
2011 230.2 0.410
2012 233.7 0.413
2013 237.1 0.416
2014 240.5 0.419
2015 243.9 0.422
2016 247.1 0.426
2017 250.4 0.430
2018 253.6 0.433
2019 256.7 0.436
2020 259.8 0.439
2021 262.8 0.441
2022 265.9 0.442
2023 268.9 0.442
2024 271.9 0.441
2025 275.0 0.439
2026 278.1 0.435
2027 281.3 0.429
2028 284.5 0.422
2029 287.9 0.412
2030 291.5 0.401


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds12507%2B2032b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12507+2032 HU 640 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hrt2014b orb - Hartkopf, W.I. & Mason, B.D. 2014IAUDS.184....1H
Hrt2014b Inf. Circ. 184, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
58 TOK Tokovinin, A.A.
105 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
105 TOK Weigelt, G.
119 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
119 TOK Martinez, M., & Mondaca, E.
187 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
187 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12507+2032 HU 640 AB 2010 82 227 0.4 10.19 9.91 K5 O 125041.87+203204.9
12507+2032 HU 640 AB 2016 83 250 0.4 10.19 9.91 K5 O 125041.87+203204.9
12507+2032 HU 640 AB 2019 85 259 0.5 10.19 9.91 K5 O 125041.87+203204.9

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

 
 
WDS 12507+2032 HU 640 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12507+2032 HU 640 AB : MEASURES
 
 
No records found.

 
 
WDS 12507+2032 : VIRTUAL EYEPIECE
 
 

12507+2032 HU 640A mag 10.19 Sp K5 12507+2032 HU 640B sep 0.4 P.A. 258.20 mag 9.91 12507+2032 TOK 561C sep 1071.7 P.A. 121.00 mag 14.75 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 12507+2032 : ALADIN DSS IMAGE @ 12h 50m 41.87s +20° 32' 04.9"
 
 
 
 
WDS 12507+2032 HU 640 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12507+2032 HU 640AB distance=0' 12496+2053 LDS5760 distance=27' 12533+2115 STF1687AB distance=57' 12533+2115 STF1687AC distance=57' 12494+1931 TDS 679 distance=64' 12531+1936 TOK 152 distance=65' 12530+1935 J 2087 distance=67' 12553+2005 LDS2890 distance=71' 12492+2147 STF1680 distance=78' 12561+2011 TDS8597 distance=80' 12519+1910 STF1685AB distance=84' 12519+1910 SHJ 153AC distance=84' 12519+1910 SHJ 153BC distance=84' 12566+2101 HO 538AB distance=87' 12566+2101 LDS2891AC distance=87' 12569+2056 AZC 78 distance=90' 12551+1925 GWP1878 distance=92' 12515+2207 LDS 940AB distance=95' 12515+2207 RAO 284AC distance=95' 12514+2206 CFN 10 distance=95' 12481+2204 AZC 77 distance=99' 12440+2110 STT 253 distance=102' 12452+1927 SLW 767 distance=102' 12451+2143 GRV 858 distance=106' 12547+2206 MET 9 distance=110' 12569+2144 DBR 309 distance=114' 12562+2157 SHN 168 distance=115' 12573+1925 SLN 73 distance=116' 12431+2117 LDS5758 distance=117' 12444+2200 HDS1783 distance=125' 12595+2000 LDS2894 distance=127' 12479+1832 LDS4273 distance=127' 12598+1957 SLW 806 distance=133' 12571+2213 LDS2892 distance=135' 12471+2237 SHY 612 distance=135' 12483+1821 SLW 776 distance=135' 12599+2115 SLW 807 distance=137' 12522+2247 GIC 111 distance=138' 12418+2132 SLW 760 distance=139' 12415+2136 LDS4249 distance=145' 12575+1842 BGH 5 distance=147' 12401+2049 OSO 47AB distance=150' 12401+2049 OSO 47AC distance=150' 12541+2255 LDS5762 distance=152' 13009+2134 GRV 860 distance=157' 12524+1757 KRW 1 distance=158' 12403+2131 LDS 939 distance=158' 12403+2133 AZC 76 distance=158' 12454+2252 SLW 768 distance=158' 12396+1956 LDS1330BC distance=161' 12396+1956 BGH 40AB distance=163' 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 12507+2032 HU 640 AB 259 0.5
Show 12507+2032 TOK 561 AC 119 999.9
Show 12496+2053 LDS5760 159 11.1 27
Show 12533+2115 STF1687 AB 203 1.2 57
Show 12533+2115 STF1687 AC 127 28.5 57
Show 12494+1931 TDS 679 168 1.1 64
Show 12531+1936 TOK 152 321 10.8 65
Show 12530+1935 J 2087 164 6.7 67
Show 12553+2005 LDS2890 121 116.6 71
Show 12492+2147 STF1680 335 2.9 78
Show 12561+2011 TDS8597 344 0.5 80
Show 12519+1910 STF1685 AB 202 16.0 84
Show 12519+1910 SHJ 153 AC 328 241.7 84
Show 12519+1910 SHJ 153 BC 331 251.3 84
Show 12566+2101 HO 538 AB 98 1.9 87
Show 12566+2101 LDS2891 AC 244 35.3 87
Show 12569+2056 AZC 78 308 11.9 90
Show 12551+1925 GWP1878 41 26.8 92
Show 12515+2207 LDS 940 AB 53 84.7 95
Show 12515+2207 RAO 284 AC 90 1.3 95
Show 12514+2206 CFN 10 92 1.3 95
Show 12481+2204 AZC 77 329 28.3 99
Show 12440+2110 STT 253 238 6.5 102
Show 12452+1927 SLW 767 101 132.9 102
Show 12451+2143 GRV 858 114 62.4 106
Show 12547+2206 MET 9 50 1.7 110
Show 12569+2144 DBR 309 315 2.9 114
Show 12562+2157 SHN 168 -1 0.1 115
Show 12573+1925 SLN 73 173 12.2 116
Show 12431+2117 LDS5758 137 12.9 117
Show 12444+2200 HDS1783 112 0.3 125
Show 12595+2000 LDS2894 115 42.6 127
Show 12479+1832 LDS4273 123 132.1 127
Show 12598+1957 SLW 806 117 39.9 133
Show 12571+2213 LDS2892 201 15.9 135
Show 12471+2237 SHY 612 23 999.9 135
Show 12483+1821 SLW 776 229 153.5 135
Show 12599+2115 SLW 807 43 9.1 137
Show 12522+2247 GIC 111 199 230.8 138
Show 12418+2132 SLW 760 183 25.7 139
Show 12415+2136 LDS4249 30 6.6 145
Show 12575+1842 BGH 5 222 82.0 147
Show 12401+2049 OSO 47 AB 35 14.7 150
Show 12401+2049 OSO 47 AC 109 112.6 150
Show 12541+2255 LDS5762 26 12.6 152
Show 13009+2134 GRV 860 232 30.6 157
Show 12524+1757 KRW 1 156 6.7 158
Show 12403+2131 LDS 939 91 83.1 158
Show 12403+2133 AZC 76 98 14.9 158
Show 12454+2252 SLW 768 153 41.9 158
Show 12396+1956 LDS1330 BC 197 104.1 161

 
 
WDS 12507+2032 : COMPONENTS
 
 
  A B
B pa=258.2°
sep=0.43"
 
C pa=121.0°
sep=1071.69"
pa=121.0°
sep=1072.00"
 
 
12507+2032 A
 
 
Coord arcsec 2000 125041.87+203204.9 Mag 10.19 Spectral class K5 (yellow-orange) PmRA -125.00
PmDE -33.0 ADS 8680 DM BD+21 2462
CCDM
Ccdm 12507+2032 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs 4.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp K5 PmNote *
PmRA -138 PmDE -46 Dm number +21 2462 Cat1 BD
Name2 +20 1371 Cat2 AGK2/3 HD M HD
ADS BDS A 8680 M ADS BDS N IDS IDS 12458N2105A
HIC 62686
 
 
12507+2032 B
 
 
Coord arcsec 2000 125041.84+203204.8 Mag 9.91 PmRA -125.00 PmDE -33.0
HIP 62686 Tycho2 1455-01057-1 BD BD+21 2462 Calc delta mag 0.28
Calc coord yes
Tycho2
Tycho2 1455-01057-1 Pflag RAmdeg 192.67442559 DEmdeg 20.53479767
PmRA -125.0 PmDE -33.3 E RAmdeg 14 E DEmdeg 16
E pmRA 0.9 E pmDE 0.9 EpRAm 1987.88 EpDEm 1986.64
Num 10 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.4
Q pmDE 0.9 BTmag 10.626 E BTmag 0.041 VTmag 9.394
E VTmag 0.021 Prox 999 TYC T HIP 62686
CCDM AS RAdeg 192.67473500 DEdeg 20.53487528 EpRA 1990 1.68
EpDE 1990 1.65 E RAdeg 15.4 E DEdeg 16.8 Posflg P
Corr 0.3
Hipparcos
Catalog H HIP 62686 Proxy H RAhms 12 50 41.94
DEdms +20 32 05.3 Vmag 9.2 VarFlag R Vmag G
RAdeg 192.675 DEdeg 20.5348 AstroRef A Plx 27.58
CCDM 12507+2032 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 348 Rho 0.532 HD BD BD+21 2462
CD CP Dm number +21 2462 VIred 1.07
SpType K5 R SpType Coord arcsec 2000 125041.94+203205.3
Hipparcos 2
HIP 62686 Sn 15 So 3 Nc 2
RArad 3.3628089418 DErad 0.3584000143 Plx 26.13 PmRA -135.82
PmDE -27.22 E RArad 2.62 E DErad 3.81 E Plx 3.38
E pmRA 3.6 E pmDE 5.02 Hpmag 9.3574 E Hpmag 0.0029
SHp 0.02 VA 0 BV 1.02 E BV 0.015
VI 1.07
CCDM
Ccdm 12507+2032 RComp Comp B Note1 *
Note2 Discov num HU 640 DRAs DDEs
R dRAs Year 1903 Theta Rho
Obs 26 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8680 M ADS BDS N IDS IDS 12458N2105B
HIC 62686
 
 
12507+2032 C
 
 
Coord arcsec 2000 125147.22+202252.6 Mag 14.75 PmRA -110.00 PmDE -28.0
Calc delta mag 4.56 Calc coord yes