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Current system
15262-2819
RST 769
HD 137320


Nearby doubles
23' : 15265-2756
RST 770

41' : 15279-2852
LDS4553

50' : 15290-2852
BU 1114AB

54' : 15294-2851
DAW 143

62' : 15287-2726
B 291

67' : 15240-2718
SEE 233

68' : 15229-2910
SEE 232

72' : 15291-2919
KPP2503

77' : 15214-2901
RST 762

77' : 15225-2917
SEE 230

84' : 15304-2717
B 292AB

85' : 15314-2908
UC 3020

86' : 15199-2802
KSA 70AB

86' : 15295-2705
UC 3012

92' : 15196-2846
SKF1500

95' : 15224-2659
KPP2389

95' : 15252-2645
HJ 4767

96' : 15272-2644
KPP3958

97' : 15316-2925
TDS9537

102' : 15255-2637
RST1840

108' : 15206-2701
LV 6

111' : 15178-2809
LDS5834

113' : 15233-3003
LDS6305

114' : 15340-2907
SWR 177

114' : 15348-2808
RST1847AB

115' : 15344-2742
RST1844



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

15262-2819 RST 769 (HD 137320)

 
 
15h 26m 13.05s -28° 18' 37.7" P.A. 163.00 sep 0.4 mag 10.73,10.94 Sp G5/6V dist. 114.94 pc (374.93 l.y.)
 
 
Coord 2000 15262-2819 Discov num RST 769 Comp Coord arcsec 2000 15 26 13.05 -28 18 37.7
Date first 1930 Date last 2016 Obs 13
Pa first 48 Pa last 162.7 P.A. Now (θ) 162.7°
Sep first 0.3 Sep last 0.408 Sep. Now (ρ) 0.408"
Mag pri 10.73 Mag sec 10.94 delta mag (ΔM) 0.21 Spectral class G5/6V (yellow)
Pri motion ra +017 Sec motion ra
Pri motion dec -020 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 137320 Constellation Libra HIP 75563 Tycho2 6775-00038-1
HD 137320 CD CD-2710367 CP CP-27 5182 Distance 114.94
Distance ly 374.93
 
 
ORBITAL ELEMENTS
 
 
Period (P)201.47y Periastron (T)1977.28y Semi-major axis (a)0.392a
Eccentricity (e)0.379 Inclination (i)141.9° Longitude of periastron (ω)238°
Node (Ω)163.2° Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 198.0 0.289
2001 195.6 0.296
2002 193.4 0.303
2003 191.3 0.311
2004 189.3 0.318
2005 187.3 0.325
2006 185.5 0.332
2007 183.7 0.338
2008 182.0 0.345
2009 180.3 0.352
2010 178.7 0.358
2011 177.2 0.364
2012 175.7 0.370
2013 174.3 0.376
2014 172.9 0.382
2015 171.5 0.387
2016 170.2 0.393
2017 168.9 0.398
2018 167.7 0.403
2019 166.5 0.407
2020 165.3 0.412
2021 164.1 0.417
2022 163.0 0.421
2023 161.9 0.425
2024 160.8 0.429
2025 159.7 0.433
2026 158.6 0.436
2027 157.6 0.440
2028 156.6 0.443
2029 155.6 0.446
2030 154.6 0.449


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


 
  


wds15262-2819b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15262-2819 RST 769 (HD 137320) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15262-2819 RST 769 2006 11 185 0.3 10.73 10.94 G5/6V NO 152613.05-281837.7
15262-2819 RST 769 2014 12 173 0.4 10.73 10.94 G5/6V O 152613.05-281837.7
15262-2819 RST 769 2016 13 163 0.4 10.73 10.94 G5/6V O 152613.05-281837.7

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

 
 
WDS 15262-2819 RST 769 (HD 137320) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15262-2819 RST 769 (HD 137320) : MEASURES
 
 
No records found.

 
 
WDS 15262-2819 (HD 137320) : VIRTUAL EYEPIECE
 
 

15262-2819 RST 769A mag 10.73 Sp G5/6V 15262-2819 RST 769B sep 0.4 P.A. 164.70 mag 10.94 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 15262-2819 (HD 137320) : ALADIN DSS IMAGE @ 15h 26m 13.05s -28° 18' 37.7"
 
 
 
 
WDS 15262-2819 RST 769 (HD 137320) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15262-2819 RST 769 distance=0' 15265-2756 RST 770 distance=23' 15279-2852 LDS4553 distance=41' 15290-2852 BU 1114AB distance=50' 15290-2852 HJ 4774AB,C distance=50' 15294-2851 DAW 143 distance=54' 15287-2726 B 291 distance=62' 15240-2718 SEE 233 distance=67' 15229-2910 SEE 232 distance=68' 15291-2919 KPP2503 distance=72' 15214-2901 RST 762 distance=77' 15225-2917 SEE 230 distance=77' 15304-2717 B 292AB distance=84' 15304-2717 B 292AC distance=84' 15314-2908 UC 3020 distance=85' 15199-2802 KSA 70AB distance=86' 15199-2802 KSA 70AC distance=86' 15199-2802 KSA 70BC distance=86' 15295-2705 UC 3012 distance=86' 15196-2846 SKF1500 distance=92' 15224-2659 KPP2389 distance=95' 15252-2645 HJ 4767 distance=95' 15272-2644 KPP3958 distance=96' 15316-2925 TDS9537 distance=97' 15255-2637 RST1840 distance=102' 15206-2701 LV 6 distance=108' 15178-2809 LDS5834 distance=111' 15233-3003 LDS6305 distance=113' 15340-2907 SWR 177 distance=114' 15348-2808 RST1847AB distance=114' 15348-2808 TOK 49Aa,Ab distance=114' 15344-2742 RST1844 distance=115' 15262-2624 NSN 414 distance=116' 15175-2847 HDS2149 distance=119' 15212-2958 LDS5171 distance=120' 15353-2903 RSS 378 distance=129' 15216-2625 LDS 524 distance=129' 15360-2825 KPP1289 distance=130' 15263-2609 KPP1618 distance=130' 15325-2639 SKF2043 distance=130' 15362-2841 LDS5841 distance=134' 15331-2957 RST1843 distance=134' 15242-3031 KOH 39BC distance=135' 15171-2923 RST1834 distance=136' 15179-2700 BU 352AB distance=137' 15325-3007 LDS5839 distance=137' 15315-3022 KOH 40AB distance=142' 15315-3022 KOH 40AB,C distance=142' 15367-2851 B 295 distance=143' 15368-2751 BRT3021 distance=143' 15232-2601 HLD 24 distance=144' 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 15262-2819 RST 769 163 0.4
Show 15265-2756 RST 770 152 2.5 23
Show 15279-2852 LDS4553 122 13.5 41
Show 15290-2852 BU 1114 AB 317 0.2 50
Show 15290-2852 HJ 4774 AB,C 11 9.7 50
Show 15294-2851 DAW 143 168 1.6 54
Show 15287-2726 B 291 108 1.1 62
Show 15240-2718 SEE 233 223 14.4 67
Show 15229-2910 SEE 232 47 9.3 68
Show 15291-2919 KPP2503 192 22.4 72
Show 15214-2901 RST 762 346 0.8 77
Show 15225-2917 SEE 230 147 3.7 77
Show 15304-2717 B 292 AB 104 1.8 84
Show 15304-2717 B 292 AC 98 15.3 84
Show 15314-2908 UC 3020 237 40.7 85
Show 15199-2802 KSA 70 AB 329 9.2 86
Show 15199-2802 KSA 70 AC 326 29.8 86
Show 15199-2802 KSA 70 BC 324 20.6 86
Show 15295-2705 UC 3012 106 39.8 86
Show 15196-2846 SKF1500 47 5.1 92
Show 15224-2659 KPP2389 103 20.6 95
Show 15252-2645 HJ 4767 144 32.1 95
Show 15272-2644 KPP3958 203 1.1 96
Show 15316-2925 TDS9537 8 0.6 97
Show 15255-2637 RST1840 226 1.3 102
Show 15206-2701 LV 6 28 16.7 108
Show 15178-2809 LDS5834 286 317.2 111
Show 15233-3003 LDS6305 225 9.7 113
Show 15340-2907 SWR 177 286 11.6 114
Show 15348-2808 RST1847 AB 343 1.0 114
Show 15348-2808 TOK 49 Aa,Ab 321 0.2 114
Show 15344-2742 RST1844 58 0.2 115
Show 15262-2624 NSN 414 243 20.4 116
Show 15175-2847 HDS2149 229 0.2 119
Show 15212-2958 LDS5171 182 28.9 120
Show 15353-2903 RSS 378 62 11.9 129
Show 15216-2625 LDS 524 332 6.1 129
Show 15360-2825 KPP1289 320 9.8 130
Show 15263-2609 KPP1618 312 12.4 130
Show 15325-2639 SKF2043 19 17.1 130
Show 15362-2841 LDS5841 292 8.5 134
Show 15331-2957 RST1843 290 1.1 134
Show 15242-3031 KOH 39 BC 300 3.5 135
Show 15171-2923 RST1834 214 0.7 136
Show 15179-2700 BU 352 AB 65 14.2 137
Show 15325-3007 LDS5839 72 369.5 137
Show 15315-3022 KOH 40 AB 29 0.2 142
Show 15315-3022 KOH 40 AB,C 19 1.2 142
Show 15367-2851 B 295 142 1.2 143
Show 15368-2751 BRT3021 72 4.8 143
Show 15232-2601 HLD 24 277 4.2 144

 
 
WDS 15262-2819 : COMPONENTS
 
 
  A
B pa=164.7°
sep=0.40"
 
 
15262-2819 A
 
 
Componente originario normalizzato AB Name HD 137320 Coord arcsec 2000 152613.05-281837.7 Mag 10.73
Spectral class G5/6V (yellow) PmRA 17.00 PmDE -20.0 HIP 75563
Tycho2 6775-00038-1 HD 137320 CD CD-2710367 CP CP-27 5182
Tycho2
Tycho2 6775-00038-1 Pflag RAmdeg 231.55440644 DEmdeg -28.31052983
PmRA 17.7 PmDE -20.8 E RAmdeg 21 E DEmdeg 26
E pmRA 1.9 E pmDE 1.7 EpRAm 1987.65 EpDEm 1984.30
Num 7 Q RAmdeg 1.7 Q DEmdeg 1.2 Q pmRA 1.6
Q pmDE 1.2 BTmag 10.841 E BTmag 0.051 VTmag 10.062
E VTmag 0.036 Prox 999 TYC T HIP 75563
CCDM AS RAdeg 231.55436139 DEdeg -28.31047944 EpRA 1990 1.68
EpDE 1990 1.48 E RAdeg 23.7 E DEdeg 31.3 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 75563 Proxy H RAhms 15 26 13.05
DEdms -28 18 37.7 Vmag 9.94 VarFlag 2 R Vmag H
RAdeg 231.554 DEdeg -28.3105 AstroRef * Plx 7.44
CCDM 15262-2819 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 221 Rho 0.232 HD 137320 BD
CD CD-2710367 CP CP-27 5182 Dm number -2710367 VIred 0.67
SpType G5/G6V R SpType Coord arcsec 2000 152613.05-281837.7
Hipparcos 2
HIP 75563 Sn 55 So 3 Nc 2
RArad 4.0413862714 DErad -0.494111016 Plx 8.7 PmRA 19.66
PmDE -19.27 E RArad 1.43 E DErad 0.71 E Plx 1.54
E pmRA 1.85 E pmDE 1.35 Hpmag 10.0778 E Hpmag 0.003
SHp 0.025 VA 2 BV 0.656 E BV 0.057
VI 0.72
CCDM
Ccdm 15262-2819 RComp Comp A Note1
Note2 Discov num DRAs 1.27 DDEs 21.9
R dRAs 41 Year Theta Rho
Obs 2 Vmag 10.4 Sp G5 PmNote
PmRA PmDE Dm number -2710367 Cat1 CD
Name2 Cat2 HD 137320 M HD
ADS BDS M ADS BDS N IDS IDS 15202S2758A
HIC 75563
 
 
15262-2819 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 152613.06-281838.1 Mag 10.94 Calc delta mag 0.21
Calc coord yes
CCDM
Ccdm 15262-2819 RComp Comp B Note1 *
Note2 Discov num RST 769 DRAs DDEs
R dRAs Year 1951 Theta 008 Rho 0.3
Obs 4 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15202S2758B
HIC 75563