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Doubles in session


Current system
15370+6426
HU 1168
HD 139905


Nearby doubles
17' : 15374+6410
CVR1636

26' : 15409+6429
LDS1425

30' : 15407+6443
MLR 137AB

38' : 15343+6354
CVR 167

39' : 15339+6354
STT 299

39' : 15425+6442
BVD 327

54' : 15441+6400
TDS9606

63' : 15325+6522
UC 209

65' : 15298+6512
HU 1164

69' : 15272+6452
HU 1162AB

75' : 15255+6434
TDS9513

76' : 15329+6537
HU 1165

77' : 15405+6313
KPP3964

88' : 15407+6550
LDS1424

90' : 15460+6535
BU 415AB

101' : 15312+6254
HU 910

101' : 15279+6548
LDS2720

109' : 15449+6252
RBR 46

112' : 15198+6416
FMR 119

117' : 15212+6334
TOI1293

122' : 15184+6450
UC 2980

128' : 15468+6618
KPP3969

137' : 15496+6618
UC 3070

138' : 15220+6254
LDS2718

143' : 15192+6307
MLB 354

143' : 15536+6256
HDS2239



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.

15370+6426 HU 1168 (HD 139905)

 
 
15h 37m 00.37s +64° 26' 23.3" P.A. 290.00 sep 0.6 mag 9.48,9.73 Sp G5 dist. 55.71 pc (181.73 l.y.)
 
 
Coord 2000 15370+6426 Discov num HU 1168 Comp Coord arcsec 2000 15 37 00.37 +64 26 23.3
Date first 1905 Date last 2016 Obs 39
Pa first 318 Pa last 290.3 P.A. Now (θ) 283.1°
Sep first 0.3 Sep last 0.554 Sep. Now (ρ) 0.498"
Mag pri 9.48 Mag sec 9.73 delta mag (ΔM) 0.25 Spectral class G5 (yellow)
Pri motion ra -001 Sec motion ra
Pri motion dec +039 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 139905 Constellation Draco SAO 16785 HIP 76466
Tycho2 4184-00297-1 Gaia DR2 1641284849807400064 HD 139905 ADS 9730
BD BD+64 1081 Distance 55.71 Distance ly 181.73
 
 
ORBITAL ELEMENTS
 
 
Period (P)88.57y± 0.7 Periastron (T)1984.44y± 0.09 Semi-major axis (a)0.376a± 0.06
Eccentricity (e)0.599± 0.006 Inclination (i)122.7°± 2 Longitude of periastron (ω)47.7°± 18.5
Node (Ω)127.8°± 11 Notesn ReferenceDoc2009g
Equinox2000 Last observation1997 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 307.7 0.405
2001 306.3 0.419
2002 304.9 0.431
2003 303.6 0.443
2004 302.4 0.453
2005 301.2 0.463
2006 300.0 0.471
2007 298.9 0.479
2008 297.9 0.485
2009 296.8 0.491
2010 295.8 0.496
2011 294.8 0.500
2012 293.8 0.503
2013 292.8 0.506
2014 291.9 0.508
2015 290.9 0.509
2016 289.9 0.510
2017 289.0 0.510
2018 288.0 0.509
2019 287.1 0.508
2020 286.1 0.506
2021 285.1 0.504
2022 284.1 0.501
2023 283.1 0.498
2024 282.1 0.494
2025 281.1 0.490
2026 280.1 0.485
2027 279.0 0.480
2028 277.9 0.475
2029 276.8 0.469
2030 275.6 0.463


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


 
  


wds15370%2B6426b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15370+6426 HU 1168 (HD 139905) : NOTES
 
 
discov_num notes refcode
HU 1168 Only elements P and T have been amended by Starikova (1980) from the Sta1980a
orbit of Heintz (1976). Hei1976
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.17 +/- 0.58, 1.81, and 0.95 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Doc2009g orb - Docobo, J.A. & Ling, J.F. 2009AJ....138.1159D
Doc2009g AJ 138, 1159, 2009
Hei1976 orb - Heintz, W.D. 1976ApJ...208..474H
Hei1976 ApJ 208, 474, 1976
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1980a orb - Starikova, G.A. 1980SvAL....6..130S
Sta1980a SvAL 6, 130, 1980 (Pisma Astron. Zhur. 6, 239, 1980)
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15370+6426 HU 1168 1997 33 312 0.3 9.48 9.73 G5 NO 153700.37+642623.3
15370+6426 HU 1168 2008 34 298 0.5 9.48 9.73 G5 NO 153700.37+642623.3
15370+6426 HU 1168 2010 35 295 0.5 9.48 9.73 G5 NO 153700.37+642623.3
15370+6426 HU 1168 2016 36 290 0.6 9.48 9.73 G5 NO 153700.37+642623.3

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

 
 
WDS 15370+6426 HU 1168 (HD 139905) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15370+6426 HU 1168 (HD 139905) : MEASURES
 
 
No records found.

 
 
WDS 15370+6426 (HD 139905) : VIRTUAL EYEPIECE
 
 

15370+6426 HU 1168A mag 9.48 Sp G5 15370+6426 HU 1168B sep 0.3 P.A. 310.60 mag 9.73 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 15370+6426 (HD 139905) : ALADIN DSS IMAGE @ 15h 37m 00.37s +64° 26' 23.3"
 
 
 
 
WDS 15370+6426 HU 1168 (HD 139905) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15370+6426 HU 1168 distance=0' 15374+6410 CVR1636 distance=17' 15409+6429 LDS1425 distance=26' 15407+6443 MLR 137AB distance=30' 15407+6443 MLR 137AC distance=30' 15343+6354 CVR 167 distance=38' 15339+6354 STT 299 distance=39' 15425+6442 BVD 327 distance=39' 15441+6400 TDS9606 distance=54' 15325+6522 UC 209 distance=63' 15298+6512 HU 1164 distance=65' 15272+6452 HU 1162AB distance=69' 15272+6452 HU 1162AC distance=69' 15255+6434 TDS9513 distance=75' 15329+6537 HU 1165 distance=76' 15405+6313 KPP3964 distance=77' 15407+6550 LDS1424 distance=88' 15460+6535 BU 415AB distance=90' 15460+6535 BU 415AC distance=90' 15460+6535 BU 415CD distance=90' 15312+6254 HU 910 distance=101' 15279+6548 LDS2720 distance=101' 15449+6252 RBR 46 distance=109' 15198+6416 FMR 119 distance=112' 15212+6334 TOI1293 distance=117' 15184+6450 UC 2980 distance=122' 15468+6618 KPP3969 distance=128' 15563+6349 TOK 599AC distance=132' 15496+6618 UC 3070 distance=137' 15220+6254 LDS2718 distance=138' 15192+6307 MLB 354 distance=143' 15536+6256 HDS2239 distance=143' 15221+6616 HEI 782 distance=144' 15204+6611 KPP2087 distance=148' 15372+6156 STI 786 distance=150' 15568+6553 TOI1254 distance=152' 15324+6658 TDS 776 distance=155' 15290+6700 KPP3960AB distance=162' 15467+6159 SLN 31 distance=162' 15427+6704 STF1975 distance=162' 15553+6236 STI 789 distance=166' 15175+6246 PKO 23 distance=166' 15245+6655 UC 207 distance=168' 15355+6139 UC 3030 distance=169' 15255+6703 STF3125 distance=173' 15294+6712 STF1958 distance=173' 15476+6148 TDS9625 distance=174' 15529+6205 STI 788 distance=178' 15199+6701 HU 1161AB distance=188' 15424+6113 MLR 48 distance=197' 15215+6723 RAO 505 distance=201' 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 15370+6426 HU 1168 290 0.6
Show 15374+6410 CVR1636 157 4.0 17
Show 15409+6429 LDS1425 32 13.2 26
Show 15407+6443 MLR 137 AB 336 2.8 30
Show 15407+6443 MLR 137 AC 204 25.8 30
Show 15343+6354 CVR 167 110 8.2 38
Show 15339+6354 STT 299 24 3.3 39
Show 15425+6442 BVD 327 87 23.7 39
Show 15441+6400 TDS9606 175 0.9 54
Show 15325+6522 UC 209 20 29.1 63
Show 15298+6512 HU 1164 27 0.8 65
Show 15272+6452 HU 1162 AB 107 1.2 69
Show 15272+6452 HU 1162 AC 36 19.8 69
Show 15255+6434 TDS9513 309 0.8 75
Show 15329+6537 HU 1165 255 1.5 76
Show 15405+6313 KPP3964 18 1.7 77
Show 15407+6550 LDS1424 116 7.7 88
Show 15460+6535 BU 415 AB 333 13.0 90
Show 15460+6535 BU 415 AC 6 19.4 90
Show 15460+6535 BU 415 CD 9 57.1 90
Show 15312+6254 HU 910 275 1.4 101
Show 15279+6548 LDS2720 7.8 101
Show 15449+6252 RBR 46 245 4.3 109
Show 15198+6416 FMR 119 208 6.6 112
Show 15212+6334 TOI1293 120 1.0 117
Show 15184+6450 UC 2980 109 47.4 122
Show 15468+6618 KPP3969 230 1.4 128
Show 15563+6349 TOK 599 AC 321 999.9 132
Show 15496+6618 UC 3070 341 38.1 137
Show 15220+6254 LDS2718 107 2.0 138
Show 15192+6307 MLB 354 113 2.9 143
Show 15536+6256 HDS2239 337 0.2 143
Show 15221+6616 HEI 782 12 3.5 144
Show 15204+6611 KPP2087 2 16.9 148
Show 15372+6156 STI 786 268 5.8 150
Show 15568+6553 TOI1254 265 4.4 152
Show 15324+6658 TDS 776 64 0.8 155
Show 15290+6700 KPP3960 AB 87 5.1 162
Show 15467+6159 SLN 31 161 8.0 162
Show 15427+6704 STF1975 43 18.9 162
Show 15553+6236 STI 789 51 3.6 166
Show 15175+6246 PKO 23 349 6.1 166
Show 15245+6655 UC 207 291 18.6 168
Show 15355+6139 UC 3030 228 54.4 169
Show 15255+6703 STF3125 267 2.2 173
Show 15294+6712 STF1958 337 29.6 173
Show 15476+6148 TDS9625 96 0.6 174
Show 15529+6205 STI 788 49 11.6 178
Show 15199+6701 HU 1161 AB 225 1.7 188
Show 15424+6113 MLR 48 104 0.3 197
Show 15215+6723 RAO 505 -1 0.2 201

 
 
WDS 15370+6426 : COMPONENTS
 
 
  A
B pa=310.6°
sep=0.30"
 
 
15370+6426 A
 
 
Componente originario normalizzato AB Name HD 139905 Coord arcsec 2000 153700.37+642623.3 Mag 9.48
Spectral class G5 (yellow) PmRA -1.00 PmDE 39.0 SAO 16785
HIP 76466 Tycho2 4184-00297-1 HD 139905 ADS 9730
BD BD+64 1081
Tycho2
Tycho2 4184-00297-1 Pflag RAmdeg 234.25159951 DEmdeg 64.43989458
PmRA 10.7 PmDE 33.6 E RAmdeg 10 E DEmdeg 10
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.73 EpDEm 1990.70
Num 9 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 9.682 E BTmag 0.023 VTmag 8.795
E VTmag 0.015 Prox 999 TYC T HIP 76466
CCDM AB RAdeg 234.25154222 DEdeg 64.43981778 EpRA 1990 1.73
EpDE 1990 1.74 E RAdeg 9.8 E DEdeg 9.5 Posflg P
Corr -0.1
SAO
SAO 16785 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 0.053 Vmag 8.7 SpType G5
Double code Source 2 CatNum 735 DM BD+64 1081
DMcomp BDsup HD 139905 M HD 0
GC RA1950rad 4.0855407 DE1950rad 1.12752455 PmRA2000 0.0037
PmDE2000 0.055
Hipparcos
Catalog H HIP 76466 Proxy H RAhms 15 37 00.37
DEdms +64 26 23.3 Vmag 8.7 VarFlag R Vmag H
RAdeg 234.252 DEdeg 64.4398 AstroRef * Plx 18.82
CCDM 15370+6426 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 151 Rho 0.227 HD 139905 BD BD+64 1081
CD CP Dm number +64 1081 VIred 0.85
SpType G5 R SpType Coord arcsec 2000 153700.37+642623.3
Hipparcos 2
HIP 76466 Sn 55 So 3 Nc 2
RArad 4.0884605152 DErad 1.1246868772 Plx 17.95 PmRA 6.4
PmDE 38.39 E RArad 0.63 E DErad 0.69 E Plx 0.71
E pmRA 0.68 E pmDE 0.93 Hpmag 8.8472 E Hpmag 0.0025
SHp 0.018 VA 0 BV 0.798 E BV 0.019
VI 0.83
CCDM
Ccdm 15370+6426 RComp Comp A Note1
Note2 Discov num DRAs 0.34 DDEs 24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G5 PmNote *
PmRA 0 PmDE 43 Dm number +64 1081 Cat1 BD
Name2 +64 735 Cat2 AGK2/3 HD 139905 M HD
ADS BDS A 9730 M ADS BDS N IDS IDS 15357N6446A
HIC 76466
 
 
15370+6426 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153700.34+642623.5 Mag 9.73 Calc delta mag 0.25
Calc coord yes
CCDM
Ccdm 15370+6426 RComp Comp B Note1 *
Note2 Discov num HU 1168 DRAs DDEs
R dRAs Year 1960 Theta 247 Rho 0.3
Obs 14 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9730 M ADS BDS N IDS IDS 15357N6446B
HIC 76466