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Doubles in session


Current system
13181-3829
B 808
HD 115493


Nearby doubles
39' : 13168-3754
KPP1916

50' : 13220-3813
B 810

61' : 13232-3834
RSS 306

62' : 13223-3752
UC 2525AB

66' : 13217-3919
HDS1875

76' : 13138-3925
RST1710

78' : 13152-3938
WG 162

79' : 13153-3940
TDS8753

89' : 13176-3701
HJ 4578

90' : 13194-3957
RST1712

92' : 13139-3946
RSS 302

93' : 13176-3656
RST4977

97' : 13126-3942
I 1566

98' : 13158-4003
HDS1859

100' : 13097-3820
B 806

102' : 13256-3739
JSP 582

108' : 13203-4013
NSC 28

112' : 13159-3640
RSS 305

114' : 13249-3950
RST1717AB

116' : 13134-4011
RST1709

118' : 13213-3638
LDS 438

119' : 13081-3842
JSP 570

123' : 13077-3816
JSP 569

124' : 13213-3631
BRT1674

124' : 13175-4033
I 425

128' : 13092-3717
JSP 572



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.

13181-3829 B 808 (HD 115493)

 
 
13h 18m 05.40s -38° 28' 55.7" P.A. 316.00 sep 0.3 mag 10.09,10.47 Sp G0V dist. 276.24 pc (901.09 l.y.)
 
 
Coord 2000 13181-3829 Discov num B   808 Comp Coord arcsec 2000 13 18 05.40 -38 28 55.7
Date first 1927 Date last 2021 Obs 11
Pa first 176 Pa last 315.7 P.A. Now (θ) 315.7°
Sep first 0.2 Sep last 0.307 Sep. Now (ρ) 0.307"
Mag pri 10.09 Mag sec 10.47 delta mag (ΔM) 0.38 Spectral class G0V (yellow)
Pri motion ra -041 Sec motion ra
Pri motion dec -037 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 115493 Constellation Centaurus HIP 64893 Tycho2 7774-01616-1
HD 115493 CD CD-37 8507 CP CP-37 5552 Distance 276.24
Distance ly 901.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)350y Periastron (T)1929.38y Semi-major axis (a)0.313a
Eccentricity (e)0.322 Inclination (i)31.3° Longitude of periastron (ω)164.7°
Node (Ω)19.4° Notes ReferenceTok2021f
Equinox Last observation2021 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 294.7 0.269
2001 295.8 0.271
2002 296.9 0.273
2003 298.0 0.274
2004 299.1 0.276
2005 300.1 0.278
2006 301.2 0.280
2007 302.2 0.281
2008 303.2 0.283
2009 304.2 0.285
2010 305.2 0.287
2011 306.2 0.289
2012 307.2 0.290
2013 308.1 0.292
2014 309.1 0.294
2015 310.0 0.296
2016 311.0 0.298
2017 311.9 0.300
2018 312.8 0.301
2019 313.7 0.303
2020 314.5 0.305
2021 315.4 0.307
2022 316.3 0.309
2023 317.1 0.311
2024 318.0 0.312
2025 318.8 0.314
2026 319.6 0.316
2027 320.4 0.318
2028 321.2 0.320
2029 322.0 0.322
2030 322.8 0.323


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


 
  


wds13181-3829a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 13181-3829 B 808 (HD 115493) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13181-3829 B 808 1991 9 284 0.3 10.09 10.47 G0V 131805.40-382855.7
13181-3829 B 808 2017 10 132 0.3 10.09 10.47 G0V 131805.40-382855.7
13181-3829 B 808 2021 11 316 0.3 10.09 10.47 G0V 131805.40-382855.7

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

 
 
WDS 13181-3829 B 808 (HD 115493) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13181-3829 B 808 (HD 115493) : MEASURES
 
 
No records found.

 
 
WDS 13181-3829 (HD 115493) : VIRTUAL EYEPIECE
 
 

13181-3829 B 808A mag 10.09 Sp G0V 13181-3829 B 808B sep 0.3 P.A. 322.60 mag 10.47 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 13181-3829 (HD 115493) : ALADIN DSS IMAGE @ 13h 18m 05.40s -38° 28' 55.7"
 
 
 
 
WDS 13181-3829 B 808 (HD 115493) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13181-3829 B 808 distance=0' 13168-3754 KPP1916 distance=39' 13220-3813 B 810 distance=50' 13232-3834 RSS 306 distance=61' 13223-3752 UC 2525AB distance=62' 13223-3752 SKF1955AC distance=62' 13217-3919 HDS1875 distance=66' 13138-3925 RST1710 distance=76' 13152-3938 WG 162 distance=78' 13153-3940 TDS8753 distance=79' 13176-3701 HJ 4578 distance=89' 13194-3957 RST1712 distance=90' 13139-3946 RSS 302 distance=92' 13176-3656 RST4977 distance=93' 13126-3942 I 1566 distance=97' 13158-4003 HDS1859 distance=98' 13097-3820 B 806 distance=100' 13256-3739 JSP 582 distance=102' 13203-4013 NSC 28 distance=108' 13159-3640 RSS 305 distance=112' 13249-3950 RST1717AB distance=114' 13134-4011 RST1709 distance=116' 13213-3638 LDS 438 distance=118' 13081-3842 JSP 570 distance=119' 13077-3816 JSP 569 distance=123' 13213-3631 BRT1674 distance=124' 13175-4033 I 425 distance=124' 13092-3717 JSP 572 distance=128' 13263-3959 WG 164AB distance=131' 13263-3959 WG 164AC distance=131' 13255-4009 TDS8822 distance=133' 13202-4044 I 1230 distance=138' 13070-3735 UC 2487 distance=142' 13078-3711 HJ 4570 distance=146' 13272-4010 HJ 4588 distance=147' 13055-3825 KPP2074 distance=149' 13129-4045 CPO 58 distance=149' 13204-4058 I 922 distance=152' 13053-3913 RSS 299 distance=156' 13254-3614 B 2315 distance=161' 13310-3924 SEE 179 distance=161' 13302-3948 KPP1104 distance=163' 13082-4027 UC 2488 distance=165' 13308-3715 RST2849 distance=168' 13168-4117 I 233AB distance=169' 13168-4117 SEE 173AC distance=169' 13202-4120 I 1229 distance=173' 13087-4050 RST1704 distance=178' 13252-4107 WG 163 distance=179' 13326-3738 KPP2338 distance=179' 13315-3701 BRT1675 distance=182' 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 13181-3829 B 808 316 0.3
Show 13168-3754 KPP1916 64 15.1 39
Show 13220-3813 B 810 62 3.7 50
Show 13232-3834 RSS 306 66 20.3 61
Show 13223-3752 UC 2525 AB 235 33.7 62
Show 13223-3752 SKF1955 AC 80 134.9 62
Show 13217-3919 HDS1875 328 0.1 66
Show 13138-3925 RST1710 292 1.6 76
Show 13152-3938 WG 162 71 6.1 78
Show 13153-3940 TDS8753 21 0.7 79
Show 13176-3701 HJ 4578 147 9.4 89
Show 13194-3957 RST1712 264 0.3 90
Show 13139-3946 RSS 302 209 8.2 92
Show 13176-3656 RST4977 174 1.3 93
Show 13126-3942 I 1566 10 6.8 97
Show 13158-4003 HDS1859 178 0.5 98
Show 13097-3820 B 806 66 1.4 100
Show 13256-3739 JSP 582 139 1.6 102
Show 13203-4013 NSC 28 300 55.3 108
Show 13159-3640 RSS 305 104 6.8 112
Show 13249-3950 RST1717 AB 5 1.7 114
Show 13134-4011 RST1709 127 0.7 116
Show 13213-3638 LDS 438 165 79.4 118
Show 13081-3842 JSP 570 306 2.1 119
Show 13077-3816 JSP 569 344 1.8 123
Show 13213-3631 BRT1674 140 4.3 124
Show 13175-4033 I 425 11 0.2 124
Show 13092-3717 JSP 572 82 0.8 128
Show 13263-3959 WG 164 AB 170 8.1 131
Show 13263-3959 WG 164 AC 272 26.3 131
Show 13255-4009 TDS8822 254 0.6 133
Show 13202-4044 I 1230 206 0.5 138
Show 13070-3735 UC 2487 329 20.7 142
Show 13078-3711 HJ 4570 233 18.6 146
Show 13272-4010 HJ 4588 137 48.3 147
Show 13055-3825 KPP2074 334 16.7 149
Show 13129-4045 CPO 58 232 2.1 149
Show 13204-4058 I 922 208 0.7 152
Show 13053-3913 RSS 299 147 8.5 156
Show 13254-3614 B 2315 97 2.3 161
Show 13310-3924 SEE 179 36 0.2 161
Show 13302-3948 KPP1104 11 8.8 163
Show 13082-4027 UC 2488 50 50.5 165
Show 13308-3715 RST2849 348 1.5 168
Show 13168-4117 I 233 AB 108 3.5 169
Show 13168-4117 SEE 173 AC 5 44.3 169
Show 13202-4120 I 1229 300 0.9 173
Show 13087-4050 RST1704 263 0.4 178
Show 13252-4107 WG 163 198 3.8 179
Show 13326-3738 KPP2338 342 20.0 179
Show 13315-3701 BRT1675 51 2.9 182

 
 
WDS 13181-3829 : COMPONENTS
 
 
  A
B pa=322.6°
sep=0.28"
 
 
13181-3829 A
 
 
Componente originario normalizzato AB Name HD 115493 Coord arcsec 2000 131805.40-382855.7 Mag 10.09
Spectral class G0V (yellow) PmRA -41.00 PmDE -37.0 HIP 64893
Tycho2 7774-01616-1 HD 115493 CD CD-37 8507 CP CP-37 5552
Tycho2
Tycho2 7774-01616-1 Pflag RAmdeg 199.52237703 DEmdeg -38.48220726
PmRA -41.2 PmDE -28.6 E RAmdeg 14 E DEmdeg 13
E pmRA 1.4 E pmDE 1.2 EpRAm 1988.77 EpDEm 1988.41
Num 9 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.182 E BTmag 0.027 VTmag 9.486
E VTmag 0.021 Prox 999 TYC T HIP 64893
CCDM AB RAdeg 199.52249972 DEdeg -38.48214028 EpRA 1990 1.62
EpDE 1990 1.64 E RAdeg 14.8 E DEdeg 14.1 Posflg P
Corr 0.2
Hipparcos
Catalog H HIP 64893 Proxy H RAhms 13 18 05.40
DEdms -38 28 55.7 Vmag 9.38 VarFlag R Vmag H
RAdeg 199.523 DEdeg -38.4821 AstroRef * Plx 2.86
CCDM 13181-3829 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 284 Rho 0.265 HD 115493 BD
CD CD-37 8507 CP CP-37 5552 Dm number -37 8507 VIred 0.61
SpType G0V R SpType Coord arcsec 2000 131805.40-382855.7
Hipparcos 2
HIP 64893 Sn 55 So 3 Nc 2
RArad 3.4823246201 DErad -0.6716400336 Plx 3.62 PmRA -38.86
PmDE -28.69 E RArad 0.98 E DErad 1.09 E Plx 1.85
E pmRA 1.33 E pmDE 1.13 Hpmag 9.5126 E Hpmag 0.0024
SHp 0.017 VA 0 BV 0.632 E BV 0.026
VI 0.7
CCDM
Ccdm 13181-3829 RComp Comp A Note1
Note2 Discov num DRAs -0.39 DDEs 6.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp F8 PmNote
PmRA PmDE Dm number -37 8507 Cat1 CD
Name2 Cat2 HD 115493 M HD
ADS BDS M ADS BDS N IDS IDS 13124S3757A
HIC 64893
 
 
13181-3829 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 131805.39-382855.5 Mag 10.47 Calc delta mag 0.38
Calc coord yes
CCDM
Ccdm 13181-3829 RComp Comp B Note1
Note2 Discov num B 808 DRAs DDEs
R dRAs Year 1960 Theta 233 Rho 0.2
Obs 5 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 13124S3757B
HIC 64893