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Doubles in session


Current system
11544-3745
HWE 71
HD 103437


Nearby doubles
10' : 11542-3736
SEE 139

14' : 11543-3731
JSP 913

32' : 11570-3740
TDS8135

36' : 11563-3817
LDS 372

40' : 11512-3739
KPP1812

45' : 11568-3820
B 1202

60' : 11498-3722
TVB 243

61' : 11507-3826
UC 2218

63' : 11512-3656
B 2287

63' : 11498-3816
SWR 117

72' : 11569-3851
KPP3857

74' : 11484-3800
RST2766

74' : 11484-3729
RSS 274

76' : 11553-3859
RST1624

78' : 11510-3639
KPP 987

79' : 12009-3759
KPP3859

81' : 11498-3647
KPP1225

81' : 12010-3803
TDS8165

92' : 12003-3644
HJ 4487

93' : 12021-3800
UC 2254

94' : 11517-3912
HDS1673

94' : 12022-3800
HDS1691AB

95' : 11541-3919
TDS8103

102' : 11553-3926
TDS8114

102' : 11473-3842
I 1562

106' : 11572-3605
SKF1911



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.

11544-3745 HWE 71 (HD 103437)

 
 
11h 54m 25.81s -37° 44' 56.1" P.A. 72.00 sep 0.2 mag 6.75,8.60 Sp F7V dist. 50.61 pc (165.09 l.y.)
 
 
Coord 2000 11544-3745 Discov num HWE  71 Comp Coord arcsec 2000 11 54 25.81 -37 44 56.1
Date first 1876 Date last 2018 Obs 29
Pa first 270 Pa last 72 P.A. Now (θ) 28.8°
Sep first 1.2 Sep last 0.179 Sep. Now (ρ) 0.106"
Mag pri 6.75 Mag sec 8.60 delta mag (ΔM) 1.85 Spectral class F7V (yellow-white)
Pri motion ra -315 Sec motion ra
Pri motion dec +061 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 103437 Constellation Centaurus SAO 202926 HIP 58057
Tycho2 7742-01391-1 HD 103437 HR 4557 GC 16280
GL Gl 452.2A CD CD-37 7536 CP CP-37 4950 Distance 50.61
Distance ly 165.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)248.8y Periastron (T)2008.48y Semi-major axis (a)1.004a
Eccentricity (e)0.72 Inclination (i)99.6° Longitude of periastron (ω)162°
Node (Ω)276.3° Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 225.4 0.091
2001 197.2 0.068
2002 159.5 0.070
2003 133.6 0.095
2004 119.8 0.130
2005 112.0 0.166
2006 107.0 0.201
2007 103.4 0.232
2008 100.6 0.258
2009 98.2 0.277
2010 96.1 0.288
2011 94.1 0.292
2012 92.1 0.289
2013 90.0 0.280
2014 87.8 0.267
2015 85.3 0.251
2016 82.4 0.232
2017 78.9 0.212
2018 74.8 0.191
2019 69.5 0.169
2020 62.8 0.149
2021 54.1 0.130
2022 42.8 0.115
2023 28.8 0.106
2024 13.0 0.103
2025 357.5 0.107
2026 344.2 0.119
2027 333.6 0.135
2028 325.5 0.155
2029 319.3 0.176
2030 314.5 0.199


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


 
  


wds11544-3745a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11544-3745 HWE 71 (HD 103437) : 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 HWE Howe, H.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11544-3745 HWE 71 1991 21 264 0.4 6.75 8.60 F7V D 115426.06-374456.7
11544-3745 HWE 71 2009 22 98 0.3 6.75 8.60 F7V D 115426.06-374456.7
11544-3745 HWE 71 2013 24 90 0.3 6.75 8.60 F7V D 115426.06-374456.7
11544-3745 HWE 71 2014 26 88 0.3 6.75 8.60 F7V OD 115426.06-374456.7
11544-3745 HWE 71 2015 27 84 0.2 6.75 8.60 F7V OD 115426.06-374456.7
11544-3745 HWE 71 2018 28 72 0.2 6.75 8.60 F7V O 115425.81-374456.1

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

 
 
WDS 11544-3745 HWE 71 (HD 103437) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11544-3745 HWE 71 (HD 103437) : MEASURES
 
 
No records found.

 
 
WDS 11544-3745 (HD 103437) : VIRTUAL EYEPIECE
 
 

11544-3745 HWE 71A mag 6.75 Sp F7V 11544-3745 HWE 71B sep 0.1 P.A. 67.70 mag 8.6 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 11544-3745 (HD 103437) : ALADIN DSS IMAGE @ 11h 54m 25.81s -37° 44' 56.1"
 
 
 
 
WDS 11544-3745 HWE 71 (HD 103437) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11544-3745 HWE 71 distance=0' 11542-3736 SEE 139 distance=10' 11543-3731 JSP 913 distance=14' 11570-3740 TDS8135 distance=32' 11563-3817 LDS 372 distance=36' 11512-3739 KPP1812 distance=40' 11568-3820 B 1202 distance=45' 11498-3722 TVB 243 distance=60' 11507-3826 UC 2218 distance=61' 11512-3656 B 2287 distance=63' 11498-3816 SWR 117 distance=63' 11569-3851 KPP3857 distance=72' 11484-3800 RST2766 distance=74' 11484-3729 RSS 274 distance=74' 11553-3859 RST1624 distance=76' 11510-3639 KPP 987 distance=78' 12009-3759 KPP3859 distance=79' 11498-3647 KPP1225 distance=81' 12010-3803 TDS8165 distance=81' 12003-3644 HJ 4487 distance=92' 12021-3800 UC 2254 distance=93' 11517-3912 HDS1673 distance=94' 12022-3800 HDS1691AB distance=94' 11541-3919 TDS8103 distance=95' 11553-3926 TDS8114 distance=102' 11473-3842 I 1562 distance=102' 11572-3605 SKF1911 distance=106' 11463-3702 LDS4145 distance=106' 11450-3821 DAW 58 distance=117' 11444-3735 BRT1671 distance=120' 12035-3655 HJ 4499 distance=120' 12023-3630 JSP 508 distance=120' 11583-3938 COO 132 distance=122' 12047-3757 KPP2722 distance=123' 11597-3931 RST5361 distance=123' 12032-3637 KPP1061 distance=126' 11489-3556 SEE 136 distance=126' 12036-3901 SEE 143 distance=132' 12003-3552 SWR 123 distance=133' 12033-3915 RSS 279 distance=139' 12036-3918 RST1637 distance=143' 11479-3945 UC 2207 distance=143' 12066-3752 HJ 4500 distance=145' 12069-3806 UC 2274 distance=150' 11498-3521 RST2770 distance=154' 12075-3734 JSP 511 distance=155' 11455-3944 RST1610 distance=159' 11423-3901 RST1607 distance=163' 11462-3532 KPP1021 distance=166' 11432-3926 I 1547BC distance=166' 11432-3926 LDS 358A,BC distance=167' 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 11544-3745 HWE 71 72 0.2
Show 11542-3736 SEE 139 43 1.1 10
Show 11543-3731 JSP 913 206 5.8 14
Show 11570-3740 TDS8135 285 0.8 32
Show 11563-3817 LDS 372 296 66.7 36
Show 11512-3739 KPP1812 330 14.1 40
Show 11568-3820 B 1202 38 0.4 45
Show 11498-3722 TVB 243 208 11.1 60
Show 11507-3826 UC 2218 347 7.6 61
Show 11512-3656 B 2287 226 8.9 63
Show 11498-3816 SWR 117 49 7.8 63
Show 11569-3851 KPP3857 202 3.1 72
Show 11484-3800 RST2766 282 2.2 74
Show 11484-3729 RSS 274 276 5.9 74
Show 11553-3859 RST1624 306 1.6 76
Show 11510-3639 KPP 987 257 8.0 78
Show 12009-3759 KPP3859 162 1.4 79
Show 11498-3647 KPP1225 203 9.5 81
Show 12010-3803 TDS8165 164 1.2 81
Show 12003-3644 HJ 4487 125 5.6 92
Show 12021-3800 UC 2254 163 31.4 93
Show 11517-3912 HDS1673 31 0.2 94
Show 12022-3800 HDS1691 AB 310 4.1 94
Show 11541-3919 TDS8103 245 0.7 95
Show 11553-3926 TDS8114 167 0.7 102
Show 11473-3842 I 1562 118 1.2 102
Show 11572-3605 SKF1911 142 23.9 106
Show 11463-3702 LDS4145 87 3.5 106
Show 11450-3821 DAW 58 277 3.5 117
Show 11444-3735 BRT1671 59 3.3 120
Show 12035-3655 HJ 4499 45 7.6 120
Show 12023-3630 JSP 508 62 4.5 120
Show 11583-3938 COO 132 335 5.1 122
Show 12047-3757 KPP2722 101 2.1 123
Show 11597-3931 RST5361 48 4.3 123
Show 12032-3637 KPP1061 167 8.4 126
Show 11489-3556 SEE 136 255 7.1 126
Show 12036-3901 SEE 143 332 0.3 132
Show 12003-3552 SWR 123 292 15.8 133
Show 12033-3915 RSS 279 300 9.1 139
Show 12036-3918 RST1637 19 0.3 143
Show 11479-3945 UC 2207 145 18.4 143
Show 12066-3752 HJ 4500 31 49.9 145
Show 12069-3806 UC 2274 307 56.3 150
Show 11498-3521 RST2770 234 1.5 154
Show 12075-3734 JSP 511 52 2.4 155
Show 11455-3944 RST1610 323 1.5 159
Show 11423-3901 RST1607 218 3.7 163
Show 11462-3532 KPP1021 185 8.2 166
Show 11432-3926 I 1547 BC 247 2.7 166
Show 11432-3926 LDS 358 A,BC 333 24.9 167

 
 
WDS 11544-3745 : COMPONENTS
 
 
  A
B pa=67.7°
sep=0.15"
 
 
11544-3745 A
 
 
Componente originario normalizzato AB Name HD 103437 Coord arcsec 2000 115425.81-374456.1 Mag 6.75
Spectral class F7V (yellow-white) PmRA -315.00 PmDE 61.0 SAO 202926
HIP 58057 Tycho2 7742-01391-1 HD 103437 HR 4557
GC 16280 CD CD-37 7536 CP CP-37 4950
Tycho2
Tycho2 7742-01391-1 Pflag RAmdeg 178.60757775 DEmdeg -37.74894130
PmRA -318.7 PmDE 56.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.37 EpDEm 1991.11
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 7.064 E BTmag 0.015 VTmag 6.530
E VTmag 0.010 Prox 999 TYC T HIP 58057
CCDM AB RAdeg 178.60850694 DEdeg -37.74907528 EpRA 1990 1.70
EpDE 1990 1.40 E RAdeg 3.7 E DEdeg 4.0 Posflg P
Corr 0.0
SAO
SAO 202926 DelFlag RA1950 PmRA1950 -0.0263
DE1950 PmDE1950 0.056 Vmag 6.5 SpType F8
Double code Source 70 CatNum 16280 DM CD-37 7536
DMcomp BDsup HD 103437 M HD 0
GC 16280 RA1950rad 3.10631683 DE1950rad -0.65399943 PmRA2000 -0.0261
PmDE2000 0.06
Hipparcos
Catalog H HIP 58057 Proxy H RAhms 11 54 26.06
DEdms -37 44 56.7 Vmag 6.46 VarFlag R Vmag G
RAdeg 178.609 DEdeg -37.7491 AstroRef A Plx 21.5
CCDM 11544-3745 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 265 Rho 0.426 HD 103437 BD
CD CD-37 7536 CP CP-37 4950 Dm number -37 7536 VIred 0.6
SpType F7V R SpType Coord arcsec 2000 115426.06-374456.7
Hipparcos 2
HIP 58057 Sn 15 So 3 Nc 2
RArad 3.1173077449 DErad -0.6588456305 Plx 19.76 PmRA -331.29
PmDE 57.61 E RArad 0.52 E DErad 0.35 E Plx 0.65
E pmRA 0.57 E pmDE 0.4 Hpmag 6.5673 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.528 E BV 0.02
VI 0.6
CCDM
Ccdm 11544-3745 RComp Comp A Note1
Note2 Discov num DRAs 1.85 DDEs 4.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp F8 PmNote *
PmRA -312 PmDE 58 Dm number -37 7536 Cat1 CD
Name2 202926 Cat2 SAO HD 103437 M HD
ADS BDS M ADS BDS N IDS IDS 11494S3712A
HIC 58057
 
 
11544-3745 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 115425.82-374456.0 Mag 8.6 Calc delta mag 1.85
Calc coord yes
CCDM
Ccdm 11544-3745 RComp Comp B Note1
Note2 Discov num HWE 71 DRAs DDEs
R dRAs Year 1956 Theta 275 Rho 1.3
Obs 10 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 11494S3712B
HIC 58057