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Current system
19072+2053
LDS 1017
HD 349726


Nearby doubles
23' : 19060+2105
J 2943AB

39' : 19050+2114
HDS2708

41' : 19097+2112
J 2946

43' : 19070+2135
FMR 143AB

47' : 19100+2029
J 1301

50' : 19104+2030
A 150

51' : 19081+2142
CHR 83

53' : 19107+2114
BRT2452

63' : 19107+2017
J 481AB

63' : 19114+2116
A 151

68' : 19116+2026
TDT1287

68' : 19027+2119
KPP 649

69' : 19080+1945
STF2460AB

75' : 19123+2113
COU 320

75' : 19104+1953
J 2950

78' : 19069+2210
STF2455AB

82' : 19084+2214
J 1118

86' : 19132+2033
LDS1018

89' : 19134+2111
J 1150

89' : 19101+1934
HJ 877

91' : 19031+2202
BRT2451

92' : 19095+1925
HO 443

96' : 19011+2009
COU 319AB

97' : 19028+2208
TDS 961

98' : 19136+2012
HU 335

102' : 19089+1914
HO 636



Selections
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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.

19072+2053 LDS 1017 (HD 349726)

 
 
19h 07m 13.20s +20° 52' 37.3" P.A. 290.00 sep 113.8 mag 10.95,10.99 Sp M2V+M2V dist. 8.51 pc (27.76 l.y.)
 
 
Coord 2000 19072+2053 Discov num LDS1017 Comp Coord arcsec 2000 19 07 13.20 +20 52 37.3
Date first 1897 Date last 2019 Obs 28
Pa first 292 Pa last 290.1 P.A. Now (θ) 290.1°
Sep first 115.4 Sep last 113.82 Sep. Now (ρ) 113.82"
Mag pri 10.95 Mag sec 10.99 delta mag (ΔM) 0.04 Spectral class M2V+M2V (red/red)
Pri motion ra -481 Sec motion ra -478
Pri motion dec -333 Sec motion dec -349
Notes N O W T (See Notes, Orbital solution, , Parallax indicates physical)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 349726 Constellation Sagitta HIP 93873 Tycho2 1598-00578-1
HD 349726 GL Gl 745A Distance 8.51 Distance ly 27.76
 
 
ORBITAL ELEMENTS
 
 
Period (P)360c Periastron (T)8254y Semi-major axis (a)117.9a
Eccentricity (e)0.64 Inclination (i)153° Longitude of periastron (ω)231°
Node (Ω)206° Notesn ReferenceKiy2012
Equinox Last observation2007 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 110.6 115.415
2001 110.6 115.405
2002 110.6 115.395
2003 110.6 115.384
2004 110.6 115.374
2005 110.6 115.364
2006 110.6 115.353
2007 110.6 115.343
2008 110.6 115.333
2009 110.6 115.322
2010 110.6 115.312
2011 110.6 115.302
2012 110.6 115.291
2013 110.6 115.281
2014 110.5 115.271
2015 110.5 115.261
2016 110.5 115.250
2017 110.5 115.240
2018 110.5 115.230
2019 110.5 115.219
2020 110.5 115.209
2021 110.5 115.199
2022 110.5 115.188
2023 110.5 115.178
2024 110.5 115.168
2025 110.5 115.157
2026 110.5 115.147
2027 110.5 115.137
2028 110.4 115.126
2029 110.4 115.116
2030 110.4 115.106


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


 
  


wds19072%2B2053b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19072+2053 LDS 1017 (HD 349726) : NOTES
 
 
discov_num notes refcode
LDS1017 Ross 730,1.
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2012 orb - Kiyaeva, O.V., Kiselev, A.A., Romanenko, L.G., Kalinichenko, O.A. & Vasileva, T.A. 2012ARep...56..952K
Kiy2012 ARep 56, 952, 2012 (SvA 89, 1045, 2012)
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19072+2053 LDS1017 2000 14 290 114.1 10.95 10.99 M2+M4 N DV 190713.20+205237.3
19072+2053 LDS1017 2001 15 290 114.2 10.95 10.99 M2 M4 NVD 190713.20+205237.3
19072+2053 LDS1017 2012 16 290 114.5 10.95 10.99 M2V+M2V NVD 190713.20+205237.3
19072+2053 LDS1017 2015 22 290 113.8 10.95 10.99 M2V+M2V NO 190713.20+205237.3
19072+2053 LDS1017 2016 24 290 114.2 10.95 10.99 M2V+M2V NO 190713.20+205237.3
19072+2053 LDS1017 2019 27 290 113.8 10.95 10.99 M2V+M2V NOWT 190713.20+205237.3

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

 
 
WDS 19072+2053 LDS 1017 (HD 349726) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19072+2053 LDS 1017 (HD 349726) : MEASURES
 
 
No records found.

 
 
WDS 19072+2053 (HD 349726) : VIRTUAL EYEPIECE
 
 

19072+2053 LDS1017A mag 10.95 Sp M2V 19072+2053 LDS1017B sep 107.2 P.A. 291.40 mag 10.99 Sp M2V 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 19072+2053 (HD 349726) : ALADIN DSS IMAGE @ 19h 07m 13.20s +20° 52' 37.3"
 
 
 
 
WDS 19072+2053 LDS 1017 (HD 349726) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19072+2053 LDS1017 distance=1' 19060+2105 J 2943AB distance=23' 19060+2105 J 2943BC distance=23' 19050+2114 HDS2708 distance=39' 19097+2112 J 2946 distance=41' 19070+2135 FMR 143AB distance=43' 19070+2135 NSN 709Aa,Ab distance=43' 19100+2029 J 1301 distance=47' 19104+2030 A 150 distance=50' 19081+2142 CHR 83 distance=51' 19107+2114 BRT2452 distance=53' 19107+2017 J 481AB distance=63' 19107+2017 J 481AC distance=63' 19114+2116 A 151 distance=63' 19116+2026 TDT1287 distance=68' 19027+2119 KPP 649 distance=68' 19080+1945 STF2460AB distance=69' 19123+2113 COU 320 distance=75' 19104+1953 J 2950 distance=75' 19069+2210 STF2455AB distance=78' 19069+2210 STF2455AC distance=78' 19084+2214 J 1118 distance=82' 19132+2033 LDS1018 distance=86' 19134+2111 J 1150 distance=89' 19101+1934 HJ 877 distance=89' 19031+2202 BRT2451 distance=91' 19095+1925 HO 443 distance=92' 19011+2009 COU 319AB distance=96' 19011+2009 GII 278Aa,Ab distance=96' 19028+2208 TDS 961 distance=97' 19136+2012 HU 335 distance=98' 19089+1914 HO 636 distance=102' 19019+1944 KPP1747 distance=102' 19071+2235 STF2457 distance=103' 19080+1910 HO 442 distance=103' 19131+2154 A 153 distance=104' 19087+1914 HO 570 distance=104' 19089+2240 HJ 2855 distance=105' 19144+2026 BRT2453 distance=105' 19011+2204 J 1280 distance=114' 19133+1934 HO 573 distance=117' 19068+1854 J 1142 distance=117' 19111+1909 TDT1285 distance=118' 19131+1928 HEI 871 distance=119' 18587+2056 TDT1159 distance=119' 19009+2220 TDT1179 distance=124' 19155+2002 STF2488 distance=127' 19159+2018 J 2959AB distance=127' 19159+2018 J 2959BC distance=127' 19019+1910 STF2437 distance=128' 19020+1907 HJ 2851AB distance=129' 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 19072+2053 LDS1017 290 113.8 1
Show 19060+2105 J 2943 AB 321 34.5 23
Show 19060+2105 J 2943 BC 111 4.4 23
Show 19050+2114 HDS2708 3 6.0 39
Show 19097+2112 J 2946 57 4.2 41
Show 19070+2135 FMR 143 AB 98 36.4 43
Show 19070+2135 NSN 709 Aa,Ab 282 1.8 43
Show 19100+2029 J 1301 140 3.9 47
Show 19104+2030 A 150 121 0.4 50
Show 19081+2142 CHR 83 183 0.2 51
Show 19107+2114 BRT2452 50 2.4 53
Show 19107+2017 J 481 AB 237 5.8 63
Show 19107+2017 J 481 AC 29 12.2 63
Show 19114+2116 A 151 158 0.6 63
Show 19116+2026 TDT1287 74 1.7 68
Show 19027+2119 KPP 649 236 5.9 68
Show 19080+1945 STF2460 AB 198 9.5 69
Show 19123+2113 COU 320 115 0.2 75
Show 19104+1953 J 2950 130 4.5 75
Show 19069+2210 STF2455 AB 26 9.9 78
Show 19069+2210 STF2455 AC 20 99.6 78
Show 19084+2214 J 1118 95 5.4 82
Show 19132+2033 LDS1018 323 13.6 86
Show 19134+2111 J 1150 248 1.7 89
Show 19101+1934 HJ 877 294 12.6 89
Show 19031+2202 BRT2451 65 4.9 91
Show 19095+1925 HO 443 119 3.0 92
Show 19011+2009 COU 319 AB 80 2.1 96
Show 19011+2009 GII 278 Aa,Ab 132 0.2 96
Show 19028+2208 TDS 961 215 0.9 97
Show 19136+2012 HU 335 247 0.6 98
Show 19089+1914 HO 636 47 0.5 102
Show 19019+1944 KPP1747 13 13.5 102
Show 19071+2235 STF2457 201 10.2 103
Show 19080+1910 HO 442 125 3.7 103
Show 19131+2154 A 153 266 0.7 104
Show 19087+1914 HO 570 222 10.2 104
Show 19089+2240 HJ 2855 133 12.0 105
Show 19144+2026 BRT2453 332 2.8 105
Show 19011+2204 J 1280 108 3.9 114
Show 19133+1934 HO 573 127 7.7 117
Show 19068+1854 J 1142 285 1.3 117
Show 19111+1909 TDT1285 182 0.5 118
Show 19131+1928 HEI 871 145 4.2 119
Show 18587+2056 TDT1159 104 0.5 119
Show 19009+2220 TDT1179 49 0.6 124
Show 19155+2002 STF2488 352 1.8 127
Show 19159+2018 J 2959 AB 187 93.2 127
Show 19159+2018 J 2959 BC 173 4.2 127
Show 19019+1910 STF2437 334 0.6 128
Show 19020+1907 HJ 2851 AB 165 14.1 129

 
 
WDS 19072+2053 : COMPONENTS
 
 
  A
B pa=291.4°
sep=107.25"
 
 
19072+2053 A
 
 
Componente originario normalizzato AB Name HD 349726 Coord arcsec 2000 190713.20+205237.3 Mag 10.95
Spectral class M2V (red) PmRA -481.00 PmDE -333.0 HIP 93899
Tycho2 1598-00578-1 HD 349726
Tycho2
Tycho2 1598-00578-1 Pflag RAmdeg 286.80501387 DEmdeg 20.87701779
PmRA -479.3 PmDE -333.4 E RAmdeg 40 E DEmdeg 37
E pmRA 1.7 E pmDE 1.6 EpRAm 1984.34 EpDEm 1985.78
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.2 BTmag 12.745 E BTmag 0.200 VTmag 10.952
E VTmag 0.056 Prox 999 TYC HIP 93899
CCDM RAdeg 286.80620139 DEdeg 20.87778389 EpRA 1990 1.63
EpDE 1990 1.72 E RAdeg 50.5 E DEdeg 41.4 Posflg
Corr -0.2
Hipparcos
Catalog H HIP 93899 Proxy RAhms 19 07 13.50
DEdms +20 52 40.2 Vmag 10.76 VarFlag 2 R Vmag G
RAdeg 286.806 DEdeg 20.8778 AstroRef Plx 112.82
CCDM 19072+2053 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 349726 BD
CD CP Dm number VIred 2.52
SpType M2 R SpType Coord arcsec 2000 190713.50+205240.2
Hipparcos 2
HIP 93899 Sn 5 So 0 Nc 1
RArad 5.0057136858 DErad 0.3643867878 Plx 114.25 PmRA -482.3
PmDE -334.84 E RArad 1.34 E DErad 1.58 E Plx 2.3
E pmRA 1.64 E pmDE 2.59 Hpmag 10.8236 E Hpmag 0.0048
SHp 0.053 VA 0 BV 1.57 E BV 0.015
VI 2.52
CCDM
Ccdm 19072+2053 RComp Comp A Note1
Note2 Discov num DRAs -6.34 DDEs 16.0
R dRAs 65 Year Theta Rho
Obs 2 Vmag 12.3 Sp M2 PmNote *
PmRA -472 PmDE -334 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19029N2044A
HIC 93873
 
 
19072+2053 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190706.07+205316.4 Mag 10.99 Spectral class M2V (red)
PmRA -478.00 PmDE -349.0 HIP 93873 Tycho2 1598-00325-1
Calc delta mag 0.04 Calc coord yes
Tycho2
Tycho2 1598-00325-1 Pflag RAmdeg 286.77319493 DEmdeg 20.88803257
PmRA -473.7 PmDE -350.3 E RAmdeg 40 E DEmdeg 37
E pmRA 1.6 E pmDE 1.6 EpRAm 1984.67 EpDEm 1985.72
Num 4 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.6 BTmag 12.582 E BTmag 0.175 VTmag 10.993
E VTmag 0.057 Prox 999 TYC HIP 93873
CCDM RAdeg 286.77436583 DEdeg 20.88883389 EpRA 1990 1.66
EpDE 1990 1.75 E RAdeg 50.6 E DEdeg 42.0 Posflg
Corr -0.2
Hipparcos
Catalog H HIP 93873 Proxy RAhms 19 07 05.86
DEdms +20 53 20.0 Vmag 10.77 VarFlag 2 R Vmag G
RAdeg 286.774 DEdeg 20.8889 AstroRef Plx 115.91
CCDM 19072+2053 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 2.52
SpType M2 R SpType Coord arcsec 2000 190705.86+205320.0
Hipparcos 2
HIP 93873 Sn 5 So 0 Nc 1
RArad 5.00515803 DErad 0.3645798672 Plx 117.45 PmRA -480.71
PmDE -346.11 E RArad 1.25 E DErad 1.58 E Plx 2.28
E pmRA 1.53 E pmDE 2.44 Hpmag 10.8099 E Hpmag 0.0042
SHp 0.045 VA 0 BV 1.57 E BV 0.015
VI 2.52
CCDM
Ccdm 19072+2053 RComp Comp B Note1
Note2 Discov num LDS1017 DRAs 1.22 DDEs -23.1
R dRAs 65 Year 1936 Theta 112 Rho 115.0
Obs 1 Vmag 12.3 Sp M2 PmNote
PmRA -472 PmDE -334 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19029N2044B
HIC 93899