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Doubles in session


Current system
10269+1713
STT 217
HD 90444


Nearby doubles
44' : 10262+1756
HAU 22

46' : 10243+1738
CVR 564

51' : 10271+1804
STF1434

62' : 10228+1733
SLW 468

69' : 10261+1821
COU 291

71' : 10317+1726
CVR1297

74' : 10254+1603
BPM 573

82' : 10274+1834
GWP1376

94' : 10319+1613
SLW 484

94' : 10245+1546
TDS7252

97' : 10334+1734
KPP3822

100' : 10210+1809
COU 50

102' : 10203+1753
COU 290

103' : 10275+1531
KPP1579

105' : 10335+1800
CVR 105

109' : 10344+1729
BRT2288

112' : 10340+1631
BPM 576

112' : 10283+1523
GWP1379

116' : 10276+1518
NSN 603

117' : 10343+1802
YSC 40

119' : 10332+1830
SLW 491

127' : 10205+1546
CVR1283

128' : 10180+1711
A 2369

128' : 10227+1521
STT 216

129' : 10190+1613
BPM 571

131' : 10204+1543
LDS3979



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.

10269+1713 STT 217 (HD 90444)

 
 
10h 26m 53.01s +17° 13' 09.9" P.A. 150.00 sep 0.8 mag 7.85,8.58 Sp F6V dist. 84.75 pc (276.45 l.y.)
 
 
Coord 2000 10269+1713 Discov num STT 217 Comp Coord arcsec 2000 10 26 53.01 +17 13 09.9
Date first 1843 Date last 2019 Obs 174
Pa first 147 Pa last 149.9 P.A. Now (θ) 149.3°
Sep first 0.4 Sep last 0.788 Sep. Now (ρ) 0.81"
Mag pri 7.85 Mag sec 8.58 delta mag (ΔM) 0.73 Spectral class F6V (yellow-white)
Pri motion ra -042 Sec motion ra -042
Pri motion dec -067 Sec motion dec -067
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 90444 Constellation Leo SAO 99127 HIP 51145
Tycho2 1420-00152-1 HD 90444 ADS 7775 BD BD+17 2224
Distance 84.75 Distance ly 276.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)139.789y Periastron (T)1966.983y Semi-major axis (a)0.47a
Eccentricity (e)0.984 Inclination (i)47.3° Longitude of periastron (ω)219.9°
Node (Ω)121.2° Notesn ReferenceSca2015b
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 146.6 0.690
2001 146.7 0.698
2002 146.9 0.706
2003 147.0 0.713
2004 147.1 0.721
2005 147.3 0.728
2006 147.4 0.735
2007 147.5 0.741
2008 147.7 0.747
2009 147.8 0.753
2010 147.9 0.759
2011 148.0 0.764
2012 148.1 0.769
2013 148.2 0.774
2014 148.4 0.779
2015 148.5 0.783
2016 148.6 0.787
2017 148.7 0.791
2018 148.8 0.795
2019 148.9 0.798
2020 149.0 0.802
2021 149.1 0.805
2022 149.2 0.807
2023 149.3 0.810
2024 149.4 0.812
2025 149.5 0.814
2026 149.6 0.816
2027 149.7 0.818
2028 149.9 0.819
2029 150.0 0.820
2030 150.1 0.821


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


 
  


wds10269%2B1713b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10269+1713 STT 217 (HD 90444) : NOTES
 
 
discov_num notes refcode
STT 217 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.38 +/- 1.55, 2.70, and 1.17 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
Sca2015b S j Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R., Zanutta, A., & Aristidi, E. 2015AN....336..388S
Sca2015b +orb AN 336, 388, 2015
 
 
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
10269+1713 STT 217 2006 148 146 0.7 7.85 8.58 F6V NOD 102653.01+171309.9
10269+1713 STT 217 2007 150 146 0.7 7.85 8.58 F6V NOD 102653.01+171309.9
10269+1713 STT 217 2010 153 149 0.8 7.85 8.58 F6V NOD 102653.01+171309.9
10269+1713 STT 217 2012 163 148 0.8 7.85 8.58 F6V NO 102653.01+171309.9
10269+1713 STT 217 2014 165 147 0.8 7.85 8.58 F6V NO 102653.01+171309.9
10269+1713 STT 217 2015 166 146 0.7 7.85 8.58 F6V NO 102653.01+171309.9
10269+1713 STT 217 2017 169 147 0.8 7.85 8.58 F6V NO 102653.01+171309.9
10269+1713 STT 217 2019 172 151 0.8 7.85 8.58 F6V NO 102653.01+171309.9

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

 
 
WDS 10269+1713 STT 217 (HD 90444) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10269+1713 STT 217 (HD 90444) : MEASURES
 
 
No records found.

 
 
WDS 10269+1713 (HD 90444) : VIRTUAL EYEPIECE
 
 

10269+1713 STT 217A mag 7.85 Sp F6V 10269+1713 STT 217B sep 0.8 P.A. 151.00 mag 8.58 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 10269+1713 (HD 90444) : ALADIN DSS IMAGE @ 10h 26m 53.01s +17° 13' 09.9"
 
 
 
 
WDS 10269+1713 STT 217 (HD 90444) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10269+1713 STT 217 distance=0' 10262+1756 HAU 22 distance=44' 10243+1738 CVR 564 distance=46' 10271+1804 STF1434 distance=51' 10228+1733 SLW 468 distance=62' 10261+1821 COU 291 distance=69' 10317+1726 CVR1297 distance=71' 10254+1603 BPM 573 distance=74' 10274+1834 GWP1376 distance=82' 10319+1613 SLW 484 distance=94' 10245+1546 TDS7252 distance=94' 10334+1734 KPP3822 distance=97' 10210+1809 COU 50 distance=100' 10203+1753 COU 290 distance=102' 10275+1531 KPP1579 distance=103' 10335+1800 CVR 105 distance=105' 10344+1729 BRT2288 distance=109' 10340+1631 BPM 576 distance=112' 10283+1523 GWP1379 distance=112' 10276+1518 NSN 603 distance=116' 10343+1802 YSC 40 distance=117' 10332+1830 SLW 491 distance=119' 10205+1546 CVR1283 distance=127' 10180+1711 A 2369 distance=128' 10227+1521 STT 216 distance=128' 10190+1613 BPM 571 distance=129' 10204+1543 LDS3979 distance=131' 10305+1511 SKF2796 distance=133' 10213+1859 TDS7209 distance=133' 10269+1931 COU 292 distance=138' 10273+1451 SKF2795 distance=143' 10199+1856 CVR1282 distance=144' 10301+1931 KPP3818 distance=146' 10192+1850 COU 289 distance=147' 10308+1929 KPP1106 distance=148' 10162+1708 WIS 168 distance=153' 10308+1450 TDS7307 distance=154' 10368+1615 GWP1412 distance=154' 10336+1513 STF1446 distance=154' 10163+1744 STT 215 distance=156' 10264+1438 BPM 574 distance=156' 10280+1950 STF1435 distance=158' 10264+1951 GWP1372 distance=158' 10305+1444 J 736 distance=158' 10160+1645 SLW 454 distance=159' 10157+1705 FMR 214 distance=161' 10168+1822 HJ 478AB distance=161' 10168+1822 HJ 478AC distance=161' 10298+1441 HJ 162 distance=162' 10290+1435 GWP1386 distance=162' 10316+1441 J 737 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 10269+1713 STT 217 150 0.8
Show 10262+1756 HAU 22 265 12.4 44
Show 10243+1738 CVR 564 51 20.3 46
Show 10271+1804 STF1434 282 6.5 51
Show 10228+1733 SLW 468 128 10.5 62
Show 10261+1821 COU 291 66 0.8 69
Show 10317+1726 CVR1297 178 4.2 71
Show 10254+1603 BPM 573 133 50.8 74
Show 10274+1834 GWP1376 283 136.8 82
Show 10319+1613 SLW 484 213 42.0 94
Show 10245+1546 TDS7252 335 0.7 94
Show 10334+1734 KPP3822 118 3.1 97
Show 10210+1809 COU 50 177 0.2 100
Show 10203+1753 COU 290 122 0.4 102
Show 10275+1531 KPP1579 114 12.0 103
Show 10335+1800 CVR 105 88 48.2 105
Show 10344+1729 BRT2288 195 2.9 109
Show 10340+1631 BPM 576 314 65.8 112
Show 10283+1523 GWP1379 249 27.9 112
Show 10276+1518 NSN 603 306 4.2 116
Show 10343+1802 YSC 40 237 0.4 117
Show 10332+1830 SLW 491 68 135.9 119
Show 10205+1546 CVR1283 347 3.9 127
Show 10180+1711 A 2369 296 1.0 128
Show 10227+1521 STT 216 228 2.5 128
Show 10190+1613 BPM 571 320 30.0 129
Show 10204+1543 LDS3979 350 10.1 131
Show 10305+1511 SKF2796 82 6.5 133
Show 10213+1859 TDS7209 65 0.7 133
Show 10269+1931 COU 292 50 0.2 138
Show 10273+1451 SKF2795 218 14.5 143
Show 10199+1856 CVR1282 74 3.1 144
Show 10301+1931 KPP3818 198 2.4 146
Show 10192+1850 COU 289 68 0.2 147
Show 10308+1929 KPP1106 323 8.8 148
Show 10162+1708 WIS 168 167 158.7 153
Show 10308+1450 TDS7307 292 0.5 154
Show 10368+1615 GWP1412 56 66.8 154
Show 10336+1513 STF1446 250 5.5 154
Show 10163+1744 STT 215 176 1.5 156
Show 10264+1438 BPM 574 69 14.6 156
Show 10280+1950 STF1435 203 8.5 158
Show 10264+1951 GWP1372 145 110.9 158
Show 10305+1444 J 736 204 2.5 158
Show 10160+1645 SLW 454 117 8.0 159
Show 10157+1705 FMR 214 26 5.5 161
Show 10168+1822 HJ 478 AB 127 18.4 161
Show 10168+1822 HJ 478 AC 180 24.7 161
Show 10298+1441 HJ 162 332 25.3 162
Show 10290+1435 GWP1386 72 149.2 162
Show 10316+1441 J 737 114 1.9 167

 
 
WDS 10269+1713 : COMPONENTS
 
 
  A
B pa=151.0°
sep=0.78"
 
 
10269+1713 A
 
 
Componente originario normalizzato AB Name HD 90444 Coord arcsec 2000 102653.01+171309.9 Mag 7.85
Spectral class F6V (yellow-white) PmRA -42.00 PmDE -67.0 SAO 99127
HIP 51145 Tycho2 1420-00152-1 HD 90444 ADS 7775
BD BD+17 2224
Tycho2
Tycho2 1420-00152-1 Pflag RAmdeg 156.72090598 DEmdeg 17.21937517
PmRA -42.3 PmDE -66.6 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.03 EpDEm 1990.73
Num 15 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.8 BTmag 7.989 E BTmag 0.018 VTmag 7.487
E VTmag 0.013 Prox 999 TYC T HIP 51145
CCDM AB RAdeg 156.72100833 DEdeg 17.21953194 EpRA 1990 1.67
EpDE 1990 1.52 E RAdeg 5.8 E DEdeg 6.8 Posflg P
Corr 0.1
SAO
SAO 99127 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.065 Vmag 7.5 SpType F8
Double code Source 28 CatNum 4149 DM BD+17 2224
DMcomp BDsup HD 90444 M HD 0
GC RA1950rad 2.72351842 DE1950rad 0.30500212 PmRA2000 -0.0024
PmDE2000 -0.06
Hipparcos
Catalog H HIP 51145 Proxy H RAhms 10 26 53.03
DEdms +17 13 10.5 Vmag 7.34 VarFlag R Vmag G
RAdeg 156.721 DEdeg 17.2196 AstroRef A Plx 11.67
CCDM 10269+1713 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 147 Rho 0.593 HD 90444 BD BD+17 2224
CD CP Dm number +17 2224 VIred 0.56
SpType F8 R SpType Coord arcsec 2000 102653.03+171310.5
Hipparcos 2
HIP 51145 Sn 15 So 3 Nc 2
RArad 2.7352970725 DErad 0.3005385153 Plx 11.8 PmRA -52.15
PmDE -59.11 E RArad 1.93 E DErad 2.79 E Plx 1.44
E pmRA 2.22 E pmDE 2.98 Hpmag 7.4514 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.491 E BV 0.015
VI 0.56
CCDM
Ccdm 10269+1713 RComp Comp A Note1
Note2 Discov num DRAs -1.00 DDEs 9.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp F8 PmNote *
PmRA -47 PmDE -66 Dm number +17 2224 Cat1 BD
Name2 +17 1132 Cat2 AGK2/3 HD 90444 M HD
ADS BDS A 7775 M ADS BDS N IDS IDS 10215N1744A
HIC 51145
 
 
10269+1713 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102653.04+171309.2 Mag 8.58 PmRA -42.00
PmDE -67.0 Calc delta mag 0.73 Calc coord yes
CCDM
Ccdm 10269+1713 RComp Comp B Note1 *
Note2 Discov num STT 217 DRAs DDEs
R dRAs Year 1956 Theta 167 Rho 0.4
Obs 99 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7775 M ADS BDS N IDS IDS 10215N1744B
HIC 51145