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Doubles in session


Current system
16160+0721
STF 2026 AB
HD 146413


Nearby doubles
28' : 16143+0735
UC 3137

45' : 16174+0643
TDS9822

54' : 16124+0710
UC 3135

65' : 16118+0704
UC 3132

65' : 16190+0635
GWP2621

69' : 16156+0613
TDS9813

74' : 16148+0609
HEI 856

93' : 16098+0727
GWP2603

101' : 16118+0841
UC 3131

102' : 16091+0720
HJ 1286AB

113' : 16145+0531
STF2023

115' : 16182+0910
CVR 816

116' : 16237+0710
TDS 810

118' : 16237+0742
UC 217

121' : 16122+0908
A 2782AB

124' : 16079+0652
GWP2601

128' : 16245+0723
TDS9882

130' : 16247+0723
TDS9884

134' : 16249+0733
TDS9885

135' : 16076+0631
ALD 87

135' : 16070+0701
KPP2164

144' : 16080+0559
TDS9770

151' : 16067+0823
JOY 6AB

156' : 16115+0943
FIN 354

158' : 16172+0445
GWP2616

159' : 16095+0515
SLW1165



Selections
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Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16160+0721 STF 2026 AB (HD 146413)

 
 
16h 15m 57.07s +07° 21' 24.8" P.A. 16.00 sep 3.5 mag 9.48,9.86 Sp K5 dist. 26.04 pc (84.94 l.y.)
 
 
Coord 2000 16160+0721 Discov num STF2026 Comp AB Coord arcsec 2000 16 15 57.07 +07 21 24.8
Date first 1830 Date last 2019 Obs 326
Pa first 346 Pa last 15.6 P.A. Now (θ) 15.7°
Sep first 2.5 Sep last 3.508 Sep. Now (ρ) 3.638"
Mag pri 9.48 Mag sec 9.86 delta mag (ΔM) 0.38 Spectral class K5 (yellow-orange)
Pri motion ra +173 Sec motion ra
Pri motion dec -475 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
16160+0721 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 146413 16 15 57 +07 21 25 STF 2026 AB 2019 326 16 3.5 9.48 9.86 0.38 Y <===
Show 16 15 57 +07 21 25 LEP 78 AC 2015 3 62 581.7 9.48 17.49 8.01
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 146413 Constellation Hercules HIP 79702 Tycho2 0380-00872-1
Gaia DR2 4450372376847499904 HD 146413 ADS 9982 BD BD+07 3125
Distance 26.04 Distance ly 84.94
 
 
ORBITAL ELEMENTS
 
 
Period (P)433.7911y± 56.8321 Periastron (T)1907.1511y± 1.1504 Semi-major axis (a)2.38112a± 0.12254
Eccentricity (e)0.80696± 0.01709 Inclination (i)132.719°± 3.55 Longitude of periastron (ω)193.054°± 8.518
Node (Ω)13.026°± 3.814 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 19.3 3.258
2001 19.1 3.277
2002 18.9 3.295
2003 18.8 3.314
2004 18.6 3.332
2005 18.4 3.350
2006 18.3 3.368
2007 18.1 3.385
2008 17.9 3.403
2009 17.8 3.420
2010 17.6 3.437
2011 17.5 3.453
2012 17.3 3.470
2013 17.1 3.486
2014 17.0 3.502
2015 16.8 3.518
2016 16.7 3.534
2017 16.5 3.549
2018 16.4 3.564
2019 16.2 3.579
2020 16.1 3.594
2021 15.9 3.609
2022 15.8 3.624
2023 15.7 3.638
2024 15.5 3.652
2025 15.4 3.666
2026 15.2 3.680
2027 15.1 3.693
2028 15.0 3.706
2029 14.8 3.720
2030 14.7 3.733


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


 
  


wds16160%2B0721c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16160+0721 STF 2026 AB (HD 146413) : NOTES
 
 
discov_num notes refcode
STF2026 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.22 +/- 0.24, 1.39, and 0.65 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 LEP Lepine, S., Wallace, D., Shara, M., Moffat, A., & Niemela, V.
14 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
16160+0721 STF2026 AB 2010 315 17 3.4 9.48 9.86 K5 NOD 161556.96+072129.4
16160+0721 STF2026 AB 2012 311 17 3.5 9.48 9.86 K5 NOD 161556.96+072129.4
16160+0721 STF2026 AB 2014 315 17 3.5 9.48 9.86 K5 NO 161556.96+072129.4
16160+0721 STF2026 AB 2016 317 19 3.6 9.48 9.86 K5 NO 161557.07+072124.8
16160+0721 STF2026 AB 2017 318 17 3.6 9.48 9.86 K5 NO 161557.07+072124.8
16160+0721 STF2026 AB 2018 322 17 3.6 9.48 9.86 K5 NO 161557.07+072124.8
16160+0721 STF2026 AB 2019 324 16 3.5 9.48 9.86 K5 NO 161557.07+072124.8

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

 
 
WDS 16160+0721 STF 2026 AB (HD 146413) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16160+0721 STF 2026 AB (HD 146413) : MEASURES
 
 
No records found.

 
 
WDS 16160+0721 (HD 146413) : VIRTUAL EYEPIECE
 
 

16160+0721 STF2026A mag 9.48 Sp K5 16160+0721 STF2026B sep 3.5 P.A. 15.50 mag 9.86 16160+0721 LEP 78C sep 577.9 P.A. 61.70 mag 17.49 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 16160+0721 (HD 146413) : ALADIN DSS IMAGE @ 16h 15m 57.07s +07° 21' 24.8"
 
 
 
 
WDS 16160+0721 STF 2026 AB (HD 146413) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16160+0721 STF2026AB distance=0' 16143+0735 UC 3137 distance=28' 16174+0643 TDS9822 distance=45' 16124+0710 UC 3135 distance=54' 16118+0704 UC 3132 distance=65' 16190+0635 GWP2621 distance=65' 16156+0613 TDS9813 distance=69' 16148+0609 HEI 856 distance=74' 16098+0727 GWP2603 distance=93' 16118+0841 UC 3131 distance=101' 16091+0720 HJ 1286AB distance=102' 16091+0720 HJ 1286AC distance=102' 16145+0531 STF2023 distance=113' 16182+0910 CVR 816 distance=115' 16237+0710 TDS 810 distance=116' 16237+0742 UC 217 distance=118' 16122+0908 A 2782CD distance=121' 16122+0908 A 2782AB distance=121' 16122+0908 A 2782AC distance=121' 16079+0652 GWP2601 distance=124' 16245+0723 TDS9882 distance=128' 16247+0723 TDS9884 distance=130' 16249+0733 TDS9885 distance=134' 16076+0631 ALD 87 distance=135' 16070+0701 KPP2164 distance=135' 16080+0559 TDS9770 distance=144' 16067+0823 JOD 9BC distance=151' 16067+0823 JOY 6AB distance=151' 16115+0943 FIN 354 distance=156' 16172+0445 GWP2616 distance=158' 16095+0515 SLW1165 distance=159' 16106+0503 BRT2163 distance=160' 16087+0524 HDS2278 distance=160' 16109+0943 GRV 923 distance=161' 16221+0507 LDS 984 distance=161' 16275+0741 CVR 187 distance=173' 16200+0437 TDS9843 distance=176' 16258+0542 STF2042 distance=178' 16042+0757 GWP2587 distance=179' 16273+0823 BRT2164 distance=180' 16224+0954 HDS2313 distance=181' 16149+1022 HDS2297 distance=182' 16153+0416 STF2027 distance=186' 16275+0832 UC 219 distance=187' 16178+0417 HEI 891 distance=187' 16122+0423 CVR 814 distance=188' 16169+0415 KPP 363 distance=188' 16261+0920 UC 3168 distance=192' 16117+1022 CBL 503 distance=192' 16267+0520 HDS2324 distance=201' 16294+0701 TDS9920 distance=202' 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 16160+0721 STF2026 AB 16 3.5
Show 16160+0721 LEP 78 AC 62 581.7
Show 16143+0735 UC 3137 243 51.6 28
Show 16174+0643 TDS9822 350 0.5 45
Show 16124+0710 UC 3135 59 40.1 54
Show 16118+0704 UC 3132 296 111.6 65
Show 16190+0635 GWP2621 147 76.3 65
Show 16156+0613 TDS9813 114 1.6 69
Show 16148+0609 HEI 856 349 2.3 74
Show 16098+0727 GWP2603 279 22.3 93
Show 16118+0841 UC 3131 308 40.2 101
Show 16091+0720 HJ 1286 AB 156 18.8 102
Show 16091+0720 HJ 1286 AC 217 36.1 102
Show 16145+0531 STF2023 222 1.8 113
Show 16182+0910 CVR 816 183 27.3 115
Show 16237+0710 TDS 810 76 1.2 116
Show 16237+0742 UC 217 6 17.3 118
Show 16122+0908 A 2782 CD 112 5.1 121
Show 16122+0908 A 2782 AB 169 3.5 121
Show 16122+0908 A 2782 AC 66 62.4 121
Show 16079+0652 GWP2601 168 5.9 124
Show 16245+0723 TDS9882 104 0.5 128
Show 16247+0723 TDS9884 337 0.6 130
Show 16249+0733 TDS9885 315 0.5 134
Show 16076+0631 ALD 87 140 2.8 135
Show 16070+0701 KPP2164 206 17.7 135
Show 16080+0559 TDS9770 76 0.6 144
Show 16067+0823 JOD 9 BC 291 0.6 151
Show 16067+0823 JOY 6 AB 291 2.5 151
Show 16115+0943 FIN 354 84 0.1 156
Show 16172+0445 GWP2616 91 46.9 158
Show 16095+0515 SLW1165 300 178.6 159
Show 16106+0503 BRT2163 6 4.4 160
Show 16087+0524 HDS2278 112 0.3 160
Show 16109+0943 GRV 923 307 19.3 161
Show 16221+0507 LDS 984 94 21.6 161
Show 16275+0741 CVR 187 324 25.6 173
Show 16200+0437 TDS9843 129 1.4 176
Show 16258+0542 STF2042 134 9.7 178
Show 16042+0757 GWP2587 245 16.3 179
Show 16273+0823 BRT2164 32 4.1 180
Show 16224+0954 HDS2313 96 0.3 181
Show 16149+1022 HDS2297 102 0.2 182
Show 16153+0416 STF2027 80 1.9 186
Show 16275+0832 UC 219 316 53.9 187
Show 16178+0417 HEI 891 116 1.3 187
Show 16122+0423 CVR 814 61 19.7 188
Show 16169+0415 KPP 363 135 5.0 188
Show 16261+0920 UC 3168 186 52.7 192
Show 16117+1022 CBL 503 91 15.2 192
Show 16267+0520 HDS2324 28 0.5 201

 
 
WDS 16160+0721 : COMPONENTS
 
 
  A B
B pa=15.5°
sep=3.51"
 
C pa=61.7°
sep=577.92"
pa=62.0°
sep=575.50"
 
 
16160+0721 A
 
 
Name HD 146413 Coord arcsec 2000 161557.07+072124.8 Mag 9.48 Spectral class K5 (yellow-orange)
PmRA 173.00 PmDE -475.0
CCDM
Ccdm 16160+0721 RComp Comp A Note1
Note2 Discov num DRAs -2.94 DDEs 26.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp K5 PmNote *
PmRA 167 PmDE -477 Dm number +07 3125 Cat1 BD
Name2 +07 2023 Cat2 AGK2/3 HD 146413 M HD
ADS BDS A 9982 M ADS BDS N IDS IDS 16111N0737A
HIC 79702
 
 
16160+0721 B
 
 
Coord arcsec 2000 161557.13+072128.2 Mag 9.86 Calc delta mag 0.38 Calc coord yes
CCDM
Ccdm 16160+0721 RComp Comp B Note1 *
Note2 Discov num STF2026 DRAs DDEs
R dRAs Year 1830 Theta Rho
Obs 99 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9982 M ADS BDS N IDS IDS 16111N0737B
HIC 79702
 
 
16160+0721 C
 
 
Coord arcsec 2000 161631.28+072558.8 Mag 17.49 PmRA 168.00 PmDE -475.0
Calc delta mag 8.01 Calc coord yes