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Current system
06474+1812
STT 156
HD 49059


Nearby doubles
8' : 06473+1819
OCC 923

15' : 06463+1812
HO 238

20' : 06481+1828
J 1096

20' : 06467+1755
COU 916

21' : 06487+1804
OCC9126

22' : 06482+1830
J 1097

23' : 06479+1750
TDS4147

32' : 06496+1812
TDS4179

44' : 06472+1728
BRT2362

47' : 06444+1754
TDS4087

49' : 06505+1830
OCC 405

51' : 06438+1805
BRT2356

53' : 06502+1847
TDS4192

54' : 06490+1723
TDS4163

56' : 06489+1720
BPM 329

60' : 06504+1731
TDS4196

62' : 06511+1844
FMR 83

64' : 06514+1840
STF 976AB

65' : 06492+1910
TDS4170

65' : 06487+1913
COU 917AB

66' : 06429+1801
GWP 827

66' : 06465+1916
BRT2359

67' : 06496+1910
OCC 601

69' : 06509+1726
OCC9128

70' : 06491+1706
OCC 578

71' : 06523+1808
J 1056AB



Selections
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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.

06474+1812 STT 156 (HD 49059)

 
 
06h 47m 23.46s +18° 11' 36.4" P.A. 136.00 sep 0.2 mag 6.61,8.04 Sp A2V dist. 176.68 pc (576.33 l.y.)
 
 
Coord 2000 06474+1812 Discov num STT 156 Comp Coord arcsec 2000 06 47 23.46 +18 11 36.4
Date first 1843 Date last 2016 Obs 185
Pa first 359 Pa last 135.9 P.A. Now (θ) 64°
Sep first 0.4 Sep last 0.182 Sep. Now (ρ) 0.18"
Mag pri 6.61 Mag sec 8.04 delta mag (ΔM) 1.43 Spectral class A2V (white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -039 Sec motion dec -039
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 49059 Constellation Gemini SAO 96111 HIP 32539
Tycho2 1334-00998-1 Gaia DR2 3359344958749522688 HD 49059 HR 2499
GC 8877 ADS 5447 BD BD+18 1349 Distance 176.68
Distance ly 576.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)205.3y± 8.2 Periastron (T)2017.76y± 0.51 Semi-major axis (a)0.45a± 0.02
Eccentricity (e)0.605± 0.031 Inclination (i)150.5°± 4.8 Longitude of periastron (ω)258.9°± 8.5
Node (Ω)10.1°± 12 Notesn ReferencePru2017
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 209.1 0.315
2001 206.6 0.306
2002 203.9 0.297
2003 201.0 0.288
2004 197.9 0.278
2005 194.6 0.268
2006 191.1 0.258
2007 187.3 0.248
2008 183.1 0.237
2009 178.5 0.227
2010 173.5 0.216
2011 167.9 0.206
2012 161.8 0.195
2013 155.0 0.185
2014 147.5 0.176
2015 139.2 0.168
2016 130.1 0.162
2017 120.4 0.157
2018 110.4 0.155
2019 100.2 0.156
2020 90.2 0.159
2021 80.7 0.164
2022 72.0 0.171
2023 64.0 0.180
2024 56.8 0.190
2025 50.4 0.201
2026 44.6 0.213
2027 39.5 0.224
2028 34.9 0.236
2029 30.7 0.248
2030 26.8 0.260


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


 
  


wds06474%2B1812b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 06474+1812 STT 156 (HD 49059) : NOTES
 
 
discov_num notes refcode
STT 156 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 8.51 +/- 3.94, 5.18, and 2.09 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Pru2017 S j Prieur, J.-L., Scardia, M., Pansecchi, L., Argyle, R., Zanutta, A., & Aristidi, E. 2017AN....338...74P
Pru2017 +orb AN 338, 74, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
06474+1812 STT 156 2005 188 195 0.3 6.61 8.04 A2V NOD 064723.46+181136.4
06474+1812 STT 156 2007 190 188 0.2 6.61 8.04 A2V NOD 064723.46+181136.4
06474+1812 STT 156 2008 191 185 0.2 6.61 8.04 A2V NOD 064723.46+181136.4
06474+1812 STT 156 2013 192 152 0.2 6.61 8.04 A2V NOD 064723.46+181136.4
06474+1812 STT 156 2014 183 144 0.2 6.61 8.04 A2V NO 064723.46+181136.4
06474+1812 STT 156 2016 185 136 0.2 6.61 8.04 A2V NO 064723.46+181136.4

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

 
 
WDS 06474+1812 STT 156 (HD 49059) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06474+1812 STT 156 (HD 49059) : MEASURES
 
 
No records found.

 
 
WDS 06474+1812 (HD 49059) : VIRTUAL EYEPIECE
 
 

06474+1812 STT 156A mag 6.61 Sp A2V 06474+1812 STT 156B sep 0.2 P.A. 137.40 mag 8.04 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 06474+1812 (HD 49059) : ALADIN DSS IMAGE @ 06h 47m 23.46s +18° 11' 36.4"
 
 
 
 
WDS 06474+1812 STT 156 (HD 49059) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06474+1812 STT 156 distance=0' 06473+1819 OCC 923 distance=8' 06463+1812 HO 238 distance=15' 06481+1828 J 1096 distance=20' 06467+1755 COU 916 distance=20' 06487+1804 OCC9126 distance=21' 06482+1830 J 1097 distance=22' 06479+1750 TDS4147 distance=23' 06496+1812 TDS4179 distance=32' 06472+1728 BRT2362 distance=44' 06444+1754 TDS4087 distance=47' 06505+1830 OCC 405 distance=49' 06438+1805 BRT2356 distance=51' 06502+1847 TDS4192 distance=53' 06490+1723 TDS4163 distance=54' 06489+1720 BPM 329 distance=56' 06504+1731 TDS4196 distance=60' 06511+1844 FMR 83 distance=62' 06514+1840 STF 976AB distance=64' 06514+1840 GUI 11AC distance=64' 06487+1913 DAM 735CD distance=65' 06492+1910 TDS4170 distance=65' 06487+1913 COU 917AB distance=65' 06487+1913 GRV 722AB,C distance=65' 06429+1801 GWP 827 distance=66' 06465+1916 BRT2359 distance=66' 06496+1910 OCC 601 distance=67' 06509+1726 OCC9128 distance=69' 06491+1706 OCC 578 distance=70' 06523+1808 J 1056AB distance=71' 06523+1808 DAM 46AC distance=71' 06488+1704 OCC 960 distance=71' 06522+1828 XMI 27 distance=71' 06445+1712 TDS4089 distance=73' 06426+1837 J 989 distance=73' 06513+1724 GWP 841 distance=74' 06471+1929 J 1973AB distance=75' 06471+1929 J 1973AC distance=75' 06472+1656 OCC9013 distance=77' 06506+1915 HJ 2345 distance=77' 06424+1739 OCC9125 distance=79' 06465+1929 GWP 831 distance=79' 06482+1652 J 992 distance=80' 06437+1912 BRT2354 distance=81' 06422+1847 OCC1022 distance=82' 06442+1920 J 1971 distance=82' 06510+1915 PAL 3BC distance=82' 06510+1915 WFC 46AB distance=82' 06470+1934 BRT2361 distance=83' 06417+1825 KPP 611 distance=83' 06468+1646 CHR 24 distance=86' 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 06474+1812 STT 156 136 0.2
Show 06473+1819 OCC 923 -1 0.3 8
Show 06463+1812 HO 238 174 0.3 15
Show 06481+1828 J 1096 331 2.9 20
Show 06467+1755 COU 916 69 1.7 20
Show 06487+1804 OCC9126 -1 0.1 21
Show 06482+1830 J 1097 144 5.7 22
Show 06479+1750 TDS4147 309 1.8 23
Show 06496+1812 TDS4179 240 2.0 32
Show 06472+1728 BRT2362 7 3.4 44
Show 06444+1754 TDS4087 109 0.6 47
Show 06505+1830 OCC 405 -1 0.1 49
Show 06438+1805 BRT2356 316 2.3 51
Show 06502+1847 TDS4192 305 1.8 53
Show 06490+1723 TDS4163 242 0.7 54
Show 06489+1720 BPM 329 220 111.7 56
Show 06504+1731 TDS4196 68 0.6 60
Show 06511+1844 FMR 83 331 111.7 62
Show 06514+1840 STF 976 AB 118 35.7 64
Show 06514+1840 GUI 11 AC 319 26.8 64
Show 06487+1913 DAM 735 CD 106 1.9 65
Show 06492+1910 TDS4170 242 0.5 65
Show 06487+1913 COU 917 AB 250 0.9 65
Show 06487+1913 GRV 722 AB,C 238 54.8 65
Show 06429+1801 GWP 827 99 9.5 66
Show 06465+1916 BRT2359 132 4.5 66
Show 06496+1910 OCC 601 -1 0.1 67
Show 06509+1726 OCC9128 -1 0.1 69
Show 06491+1706 OCC 578 -1 0.1 70
Show 06523+1808 J 1056 AB 111 4.0 71
Show 06523+1808 DAM 46 AC 251 9.0 71
Show 06488+1704 OCC 960 -1 0.1 71
Show 06522+1828 XMI 27 357 12.6 71
Show 06445+1712 TDS4089 288 0.6 73
Show 06426+1837 J 989 99 1.8 73
Show 06513+1724 GWP 841 219 15.5 74
Show 06471+1929 J 1973 AB 326 5.4 75
Show 06471+1929 J 1973 AC 231 20.1 75
Show 06472+1656 OCC9013 71 0.0 77
Show 06506+1915 HJ 2345 266 12.8 77
Show 06424+1739 OCC9125 -1 0.0 79
Show 06465+1929 GWP 831 197 20.4 79
Show 06482+1652 J 992 100 4.0 80
Show 06437+1912 BRT2354 21 4.2 81
Show 06422+1847 OCC1022 -1 0.1 82
Show 06442+1920 J 1971 358 5.8 82
Show 06510+1915 PAL 3 BC 295 5.6 82
Show 06510+1915 WFC 46 AB 297 9.2 82
Show 06470+1934 BRT2361 27 5.4 83
Show 06417+1825 KPP 611 278 5.6 83
Show 06468+1646 CHR 24 37 0.5 86

 
 
WDS 06474+1812 : COMPONENTS
 
 
  A
B pa=137.4°
sep=0.18"
 
 
06474+1812 A
 
 
Componente originario normalizzato AB Name HD 49059 Coord arcsec 2000 064723.46+181136.4 Mag 6.61
Spectral class A2V (white) PmRA 5.00 PmDE -39.0 SAO 96111
HIP 32539 Tycho2 1334-00998-1 HD 49059 HR 2499
GC 8877 BD BD+18 1349
Tycho2
Tycho2 1334-00998-1 Pflag RAmdeg 101.84771866 DEmdeg 18.19343105
PmRA 4.8 PmDE -38.9 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.54 EpDEm 1991.41
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.4 BTmag 6.449 E BTmag 0.015 VTmag 6.378
E VTmag 0.010 Prox 999 TYC T HIP 32539
CCDM AB RAdeg 101.84770722 DEdeg 18.19352028 EpRA 1990 1.88
EpDE 1990 1.75 E RAdeg 3.5 E DEdeg 4.1 Posflg P
Corr 0.0
SAO
SAO 96111 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.045 Vmag 6.2 SpType A0
Double code Source 70 CatNum 8877 DM BD+18 1349
DMcomp BDsup HD 49059 M HD 0
GC 8877 RA1950rad 1.76482946 DE1950rad 0.31851114 PmRA2000 0.0002
PmDE2000 -0.043
Hipparcos
Catalog H HIP 32539 Proxy H RAhms 06 47 23.46
DEdms +18 11 36.8 Vmag 6.35 VarFlag R Vmag H
RAdeg 101.848 DEdeg 18.1936 AstroRef A Plx 7.56
CCDM 06474+1812 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 226 Rho 0.366 HD 49059 BD BD+18 1349
CD CP Dm number +18 1349 VIred 0.07
SpType A2V R SpType Coord arcsec 2000 064723.46+181136.8
Hipparcos 2
HIP 32539 Sn 15 So 3 Nc 2
RArad 1.7775783599 DErad 0.3175374743 Plx 5.66 PmRA -0.47
PmDE -42.55 E RArad 0.78 E DErad 0.47 E Plx 0.71
E pmRA 1.13 E pmDE 0.76 Hpmag 6.3771 E Hpmag 0.001
SHp 0.007 VA 0 BV 0.066 E BV 0.006
VI 0.08
CCDM
Ccdm 06474+1812 RComp Comp A Note1
Note2 Discov num DRAs -0.58 DDEs -24.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp A0 PmNote *
PmRA -1 PmDE -49 Dm number +18 1349 Cat1 BD
Name2 +18 644 Cat2 AGK2/3 HD 49059 M HD
ADS BDS A 5447 M ADS BDS N IDS IDS 06416N1818A
HIC 32539
 
 
06474+1812 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 064723.47+181136.3 Mag 8.04 PmRA 5.00
PmDE -39.0 Calc delta mag 1.43 Calc coord yes
CCDM
Ccdm 06474+1812 RComp Comp B Note1 *
Note2 Discov num STT 156 DRAs DDEs
R dRAs Year 1844 Theta Rho
Obs 99 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5447 M ADS BDS N IDS IDS 06416N1818B
HIC 32539