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Doubles in session


Current system
08243+4457
STF 1217
HD 70516


Nearby doubles
66' : 08304+4455
BRT 99

67' : 08304+4512
CVR1148

68' : 08218+4559
SKF1707

72' : 08292+4546
TOK 517

77' : 08173+4437
TVB 186

77' : 08191+4552
CVR 490

82' : 08189+4556
SLW 234

83' : 08313+4424
BVD 202

83' : 08305+4548
SKF 658

88' : 08303+4557
A 1747

91' : 08223+4625
SLW 246

99' : 08235+4319
SKF 628

101' : 08182+4340
LDS3784

102' : 08254+4316
ES 594

106' : 08156+4408
SKF 605

106' : 08219+4315
A 2364

109' : 08205+4316
CVR 493

111' : 08139+4514
SKF 598

111' : 08236+4648
HJ 1160

112' : 08155+4358
BRT 98

113' : 08346+4434
SKF 684

114' : 08139+4526
SKF1706

115' : 08336+4555
HJ 1161

122' : 08128+4456
SLW 225

124' : 08135+4545
COU2612

124' : 08333+4341
SKF 671



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.

08243+4457 STF 1217 (HD 70516)

 
 
08h 24m 15.65s +44° 56' 59.0" P.A. 242.00 sep 29.1 mag 7.79,9.39 Sp G2V+K2V dist. 37.75 pc (123.14 l.y.)
 
 
Coord 2000 08243+4457 Discov num STF1217 Comp Coord arcsec 2000 08 24 15.65 +44 56 59.0
Date first 1830 Date last 2019 Obs 61
Pa first 241 Pa last 242.3 P.A. Now (θ) 242.3°
Sep first 29.8 Sep last 29.063 Sep. Now (ρ) 29.063"
Mag pri 7.79 Mag sec 9.39 delta mag (ΔM) 1.6 Spectral class G2V+K2V (yellow/yellow-orange)
Pri motion ra -063 Sec motion ra -060
Pri motion dec -178 Sec motion dec -177
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 70516 Constellation Lynx SAO 42337 HIP 41184
Tycho2 2980-02124-1 Gaia DR2 917982605923642752 HD 70516 GC 11447
ADS 6783 BD BD+45 1575 Distance 37.75 Distance ly 123.14
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)160c Periastron (T)6845y Semi-major axis (a)21a
Eccentricity (e)0.94 Inclination (i)81° Longitude of periastron (ω)212°
Node (Ω)235° Notesn ReferenceKis2009
Equinox Last observation2005 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 242.2 28.687
2001 242.2 28.683
2002 242.2 28.680
2003 242.2 28.677
2004 242.2 28.674
2005 242.2 28.671
2006 242.2 28.668
2007 242.2 28.665
2008 242.2 28.662
2009 242.2 28.658
2010 242.2 28.655
2011 242.2 28.652
2012 242.2 28.649
2013 242.2 28.646
2014 242.2 28.643
2015 242.2 28.640
2016 242.2 28.636
2017 242.2 28.633
2018 242.2 28.630
2019 242.2 28.627
2020 242.2 28.624
2021 242.2 28.621
2022 242.2 28.618
2023 242.2 28.614
2024 242.2 28.611
2025 242.2 28.608
2026 242.2 28.605
2027 242.2 28.602
2028 242.2 28.599
2029 242.2 28.596
2030 242.2 28.592


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


 
  


wds08243%2B4457a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)160c Periastron (T)7497y Semi-major axis (a)21a
Eccentricity (e)0.87 Inclination (i)84° Longitude of periastron (ω)30°
Node (Ω)58° Notesn ReferenceKis2009
Equinox Last observation2005 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 242.7 28.892
2001 242.7 28.889
2002 242.7 28.886
2003 242.7 28.883
2004 242.7 28.879
2005 242.7 28.876
2006 242.7 28.873
2007 242.7 28.870
2008 242.7 28.867
2009 242.7 28.864
2010 242.7 28.861
2011 242.7 28.858
2012 242.7 28.855
2013 242.7 28.852
2014 242.7 28.849
2015 242.7 28.846
2016 242.7 28.842
2017 242.7 28.839
2018 242.7 28.836
2019 242.7 28.833
2020 242.7 28.830
2021 242.7 28.827
2022 242.7 28.824
2023 242.7 28.821
2024 242.7 28.818
2025 242.7 28.815
2026 242.7 28.812
2027 242.7 28.808
2028 242.7 28.805
2029 242.7 28.802
2030 242.7 28.799


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


 
  


wds08243%2B4457b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08243+4457 STF 1217 (HD 70516) : NOTES
 
 
discov_num notes refcode
STF1217 LDS 904. B is BD+45@1575.
NLTT 19431/19428 Chm2004
HJL 92. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Kis2009 orb - Kiselev, A.A., Romanenko, J.G., & Kalinichenko, O.A. 2009ARep...53..126K
Kis2009 ARep 53, 126, 2009 (SvAL 86, 148, 2009)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08243+4457 STF1217 2007 30 243 29.1 7.79 9.39 G0 NYDV 082415.65+445659.0
08243+4457 STF1217 2010 31 242 29.1 7.79 9.39 G0 NYDV 082415.65+445659.0
08243+4457 STF1217 2012 34 242 29.0 7.79 9.39 G0 NODV 082415.65+445659.0
08243+4457 STF1217 2015 44 242 29.1 7.79 9.39 G0 NOWV 082415.65+445659.0
08243+4457 STF1217 2019 58 243 29.1 7.79 9.39 G2V+K2V NO T 082415.65+445659.0

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

 
 
WDS 08243+4457 STF 1217 (HD 70516) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08243+4457 STF 1217 (HD 70516) : MEASURES
 
 
No records found.

 
 
WDS 08243+4457 (HD 70516) : VIRTUAL EYEPIECE
 
 

08243+4457 STF1217A mag 7.79 Sp G2V 08243+4457 STF1217B sep 22.7 P.A. 233.40 mag 9.39 Sp K2V 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 08243+4457 (HD 70516) : ALADIN DSS IMAGE @ 08h 24m 15.65s +44° 56' 59.0"
 
 
 
 
WDS 08243+4457 STF 1217 (HD 70516) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08243+4457 STF1217 distance=0' 08304+4455 BRT 99 distance=66' 08304+4512 CVR1148 distance=67' 08218+4559 SKF1707 distance=68' 08292+4546 TOK 517 distance=72' 08173+4437 TVB 186 distance=77' 08191+4552 CVR 490 distance=77' 08189+4556 SLW 234 distance=82' 08313+4424 BVD 202 distance=83' 08305+4548 SKF 658 distance=83' 08303+4557 A 1747 distance=88' 08223+4625 SLW 246 distance=91' 08235+4319 SKF 628 distance=99' 08182+4340 LDS3784 distance=101' 08254+4316 ES 594 distance=102' 08156+4408 SKF 605 distance=106' 08219+4315 A 2364 distance=106' 08205+4316 CVR 493 distance=109' 08139+4514 SKF 598 distance=111' 08236+4648 HJ 1160 distance=111' 08155+4358 BRT 98 distance=112' 08346+4434 SKF 684 distance=113' 08139+4526 SKF1706 distance=114' 08336+4555 HJ 1161 distance=115' 08128+4456 SLW 225 distance=122' 08135+4545 COU2612 distance=124' 08333+4341 SKF 671 distance=124' 08317+4323 SKF 665 distance=124' 08128+4525 KPP1349 distance=125' 08307+4645 YSC 3Aa,Ab distance=128' 08307+4645 COU2684AB distance=128' 08255+4245 SKF 636 distance=133' 08351+4349 COU2615 distance=135' 08204+4245 ES 1388 distance=138' 08290+4706 GRV1005 distance=143' 08109+4439 A 1744 distance=144' 08242+4722 HJ 2442 distance=145' 08177+4710 COU2613 distance=150' 08211+4725 A 1745Ca,Cb distance=151' 08189+4238 CVR 489 distance=151' 08147+4651 CBL 246 distance=152' 08211+4725 HU 224AB distance=152' 08211+4725 STT 190AD distance=152' 08211+4725 STT 190AC distance=152' 08252+4226 SKF 635 distance=152' 08211+4725 STT 190DC distance=152' 08320+4708 COU2614 distance=154' 08148+4302 STT 189 distance=154' 08367+4619 DAM1424 distance=155' 08368+4619 CVR1154 distance=156' 08198+4227 CBL 247 distance=158' 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 08243+4457 STF1217 242 29.1
Show 08304+4455 BRT 99 198 4.1 66
Show 08304+4512 CVR1148 33 2.9 67
Show 08218+4559 SKF1707 173 1.9 68
Show 08292+4546 TOK 517 130 999.9 72
Show 08173+4437 TVB 186 270 11.6 77
Show 08191+4552 CVR 490 75 24.5 77
Show 08189+4556 SLW 234 178 11.2 82
Show 08313+4424 BVD 202 28 34.8 83
Show 08305+4548 SKF 658 298 0.9 83
Show 08303+4557 A 1747 45 0.9 88
Show 08223+4625 SLW 246 154 177.0 91
Show 08235+4319 SKF 628 230 3.2 99
Show 08182+4340 LDS3784 274 238.1 101
Show 08254+4316 ES 594 194 2.7 102
Show 08156+4408 SKF 605 265 2.1 106
Show 08219+4315 A 2364 196 0.5 106
Show 08205+4316 CVR 493 199 16.0 109
Show 08139+4514 SKF 598 40 1.0 111
Show 08236+4648 HJ 1160 153 31.2 111
Show 08155+4358 BRT 98 298 5.4 112
Show 08346+4434 SKF 684 254 2.2 113
Show 08139+4526 SKF1706 114 3.4 114
Show 08336+4555 HJ 1161 35 26.0 115
Show 08128+4456 SLW 225 304 141.5 122
Show 08135+4545 COU2612 104 0.5 124
Show 08333+4341 SKF 671 268 2.3 124
Show 08317+4323 SKF 665 255 2.0 124
Show 08128+4525 KPP1349 176 10.2 125
Show 08307+4645 YSC 3 Aa,Ab 96 0.1 128
Show 08307+4645 COU2684 AB 338 1.2 128
Show 08255+4245 SKF 636 56 1.5 133
Show 08351+4349 COU2615 125 0.2 135
Show 08204+4245 ES 1388 175 2.8 138
Show 08290+4706 GRV1005 337 23.3 143
Show 08109+4439 A 1744 302 3.7 144
Show 08242+4722 HJ 2442 98 14.8 145
Show 08177+4710 COU2613 256 1.4 150
Show 08211+4725 A 1745 Ca,Cb 294 0.5 151
Show 08189+4238 CVR 489 81 14.8 151
Show 08147+4651 CBL 246 8 15.9 152
Show 08211+4725 HU 224 AB 313 4.2 152
Show 08211+4725 STT 190 AD 287 78.4 152
Show 08211+4725 STT 190 AC 168 38.7 152
Show 08252+4226 SKF 635 223 1.1 152
Show 08211+4725 STT 190 DC 127 102.7 152
Show 08320+4708 COU2614 43 0.9 154
Show 08148+4302 STT 189 298 4.7 154
Show 08367+4619 DAM1424 191 3.2 155
Show 08368+4619 CVR1154 15 3.1 156
Show 08198+4227 CBL 247 9 29.9 158

 
 
WDS 08243+4457 : COMPONENTS
 
 
  A
B pa=233.4°
sep=22.68"
 
 
08243+4457 A
 
 
Componente originario normalizzato AB Name HD 70516 Coord arcsec 2000 082415.65+445659.0 Mag 7.79
Spectral class G2V (yellow) PmRA -63.00 PmDE -178.0 SAO 42337
HIP 41184 Tycho2 2980-02124-1 HD 70516 GC 11447
BD BD+45 1576
Tycho2
Tycho2 2980-02124-1 Pflag RAmdeg 126.06523078 DEmdeg 44.94970833
PmRA -63.1 PmDE -178.4 E RAmdeg 6 E DEmdeg 7
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.69 EpDEm 1990.56
Num 15 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.5 BTmag 8.500 E BTmag 0.017 VTmag 7.788
E VTmag 0.012 Prox 291 TYC T HIP 41184
CCDM A RAdeg 126.06543944 DEdeg 44.95013361 EpRA 1990 1.58
EpDE 1990 1.42 E RAdeg 5.8 E DEdeg 6.7 Posflg
Corr 0.2
SAO
SAO 42337 DelFlag RA1950 PmRA1950 -0.0061
DE1950 PmDE1950 -0.18 Vmag 7.5 SpType G0
Double code Source 70 CatNum 11447 DM BD+45 1576
DMcomp BDsup HD 70516 M HD 0
GC 11447 RA1950rad 2.18514071 DE1950rad 0.78739442 PmRA2000 -0.0061
PmDE2000 -0.177
Hipparcos
Catalog H HIP 41184 Proxy RAhms 08 24 15.71
DEdms +44 57 00.5 Vmag 7.71 VarFlag R Vmag G
RAdeg 126.065 DEdeg 44.9501 AstroRef A Plx 27.1
CCDM 08243+4457 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 70516 BD BD+45 1576
CD CP Dm number +45 1576 VIred 0.72
SpType G0 R SpType Coord arcsec 2000 082415.71+445700.5
Hipparcos 2
HIP 41184 Sn 95 So 3 Nc 1
RArad 2.200257194 DErad 0.7845279854 Plx 26.49 PmRA -63.5
PmDE -177.92 E RArad 1.03 E DErad 0.62 E Plx 1.18
E pmRA 1.56 E pmDE 0.94 Hpmag 7.8242 E Hpmag 0.0107
SHp 0.019 VA 0 BV 0.652 E BV 0.006
VI 0.72
CCDM
Ccdm 08243+4457 RComp Comp A Note1
Note2 Discov num DRAs -2.35 DDEs -1.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp G0 PmNote *
PmRA -59 PmDE -193 Dm number +45 1576 Cat1 BD
Name2 +45 762 Cat2 AGK2/3 HD 70516 M HD
ADS BDS A 6783 M ADS BDS N IDS IDS 08173N4517A
HIC 41184
 
 
08243+4457 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 082413.93+445645.5 Mag 9.39 Spectral class K2V (yellow-orange)
PmRA -60.00 PmDE -177.0 HIP 41181 Tycho2 2980-02161-1
BD BD+45 1575 Calc delta mag 1.6 Calc coord yes
Tycho2
Tycho2 2980-02161-1 Pflag RAmdeg 126.05514164 DEmdeg 44.94593584
PmRA -60.5 PmDE -177.3 E RAmdeg 20 E DEmdeg 22
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.45 EpDEm 1988.95
Num 3 Q RAmdeg 0.6 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.2 BTmag 10.572 E BTmag 0.050 VTmag 9.388
E VTmag 0.026 Prox 291 TYC T HIP 41181
CCDM B RAdeg 126.05534306 DEdeg 44.94635639 EpRA 1990 1.52
EpDE 1990 1.46 E RAdeg 19.9 E DEdeg 21.5 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 41181 Proxy RAhms 08 24 13.27
DEdms +44 56 46.9 Vmag 9.25 VarFlag R Vmag G
RAdeg 126.055 DEdeg 44.9464 AstroRef B Plx 16.85
CCDM 08243+4457 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD BD BD+45 1575
CD CP Dm number +45 1575 VIred 0.98
SpType G0 R SpType Coord arcsec 2000 082413.27+445646.9
Hipparcos 2
HIP 41181 Sn 95 So 3 Nc 1
RArad 2.2000802552 DErad 0.7844618437 Plx 25.23 PmRA -70.44
PmDE -169.18 E RArad 5 E DErad 2.81 E Plx 5.1
E pmRA 7.85 E pmDE 4.46 Hpmag 9.3223 E Hpmag 0.0308
SHp 0 VA 0 BV 0.937 E BV 0.023
VI 0.98
CCDM
Ccdm 08243+4457 RComp Comp B Note1
Note2 Discov num STF1217 DRAs -4.71 DDEs -14.2
R dRAs 10 Year 1920 Theta 241 Rho 29.0
Obs 8 Vmag 9.2 Sp K0 PmNote *
PmRA -50 PmDE -169 Dm number +45 1575 Cat1 BD
Name2 +45 761 Cat2 AGK2/3 HD M HD
ADS BDS A 6783 M ADS BDS N IDS IDS 08173N4517B
HIC 41181