stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
17490+3704
COU 1145
HD 162338


Nearby doubles
17' : 17496+3649
ES 2169

23' : 17505+3651
COU1146

29' : 17482+3637
TDT 511

34' : 17507+3638
TDS 889

40' : 17457+3708
TDT 492

42' : 17493+3745
MLB 753

44' : 17508+3741
STF2238

49' : 17450+3702
CRB 123

51' : 17518+3756
ES 2568

52' : 17532+3713
DAE 11

52' : 17470+3750
COU1144

54' : 17496+3756
ES 2567

57' : 17523+3624
OSO 85

60' : 17482+3605
LDS4761

64' : 17437+3655
ES 2168

69' : 17449+3752
ES 2016

73' : 17469+3555
MLB 936

74' : 17511+3555
LDS4766

77' : 17552+3647
KPP1766

78' : 17464+3553
TDT 497

78' : 17457+3557
TDT 493

78' : 17533+3605
STF2243

82' : 17512+3821
HU 1183

82' : 17455+3554
HDS2509

84' : 17551+3745
OSO 89AB

88' : 17487+3536
HU 1182AB



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.

17490+3704 COU 1145 (HD 162338)

 
 
17h 48m 58.27s +37° 03' 43.0" P.A. 283.00 sep 0.2 mag 7.82,8.32 Sp G0 dist. 51.63 pc (168.42 l.y.)
 
 
Coord 2000 17490+3704 Discov num COU1145 Comp Coord arcsec 2000 17 48 58.27 +37 03 43.0
Date first 1974 Date last 2016 Obs 97
Pa first 101 Pa last 283.4 P.A. Now (θ) 21.3°
Sep first 0.2 Sep last 0.164 Sep. Now (ρ) 0.101"
Mag pri 7.82 Mag sec 8.32 delta mag (ΔM) 0.5 Spectral class G0 (yellow)
Pri motion ra +063 Sec motion ra
Pri motion dec -084 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 162338 Constellation Hercules SAO 66352 HIP 87204
Tycho2 2619-00395-1 Gaia DR2 4609010395538738304 HD 162338 GC 24210
BD BD+37 2949 Distance 51.63 Distance ly 168.42
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.7y± 0.17 Periastron (T)1988.724y± 0.026 Semi-major axis (a)0.1788a± 0.0014
Eccentricity (e)0.6081± 0.0054 Inclination (i)110.28°± 0.27 Longitude of periastron (ω)261.11°± 0.42
Node (Ω)136.34°± 0.47 Notesn ReferenceHrt1996a
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 57.5 0.101
2001 41.8 0.097
2002 25.9 0.099
2003 11.2 0.106
2004 358.6 0.115
2005 347.9 0.124
2006 338.6 0.131
2007 329.6 0.129
2008 319.4 0.111
2009 297.3 0.057
2010 159.9 0.054
2011 137.8 0.118
2012 129.4 0.150
2013 123.3 0.164
2014 117.7 0.166
2015 112.0 0.161
2016 105.8 0.153
2017 98.8 0.141
2018 90.3 0.129
2019 80.1 0.116
2020 67.6 0.106
2021 52.9 0.099
2022 37.0 0.097
2023 21.3 0.101
2024 7.2 0.108
2025 355.2 0.118
2026 345.0 0.127
2027 335.9 0.131
2028 326.8 0.126
2029 315.2 0.100
2030 272.7 0.033


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


 
  


wds17490%2B3704a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17490+3704 COU 1145 (HD 162338) : NOTES
 
 
discov_num notes refcode
COU1145 1981.333: This observation was incorrectly attributed to COU 1445 in Tok1982a
Tokovinin (1982). Tok1982b
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.84 +/- 0.14, 2.27, and 1.05 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt1996a Sc j Hartkopf, W.I., Mason, B.D., & McAlister, H.A. 1996AJ....111..370H
Hrt1996a +orb AJ 111, 370, 1996
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok1982a Ig j Tokovinin, A.A. 1982SvAL....8...22T
Tok1982a SvAL 8, 22, 1982 (Pisma Astron. Zhur. 8, 43, 1982)
Tok1982b Ig j Tokovinin, A.A. 1982SvAL....8...99T
Tok1982b SvAL 8, 99, 1982 (Pisma Astron. Zhur. 8, 187, 1982)
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17490+3704 COU1145 2006 84 335 0.1 7.82 8.32 G0 NOD 174858.27+370343.0
17490+3704 COU1145 2007 88 326 0.1 7.82 8.32 G0 NOD 174858.27+370343.0
17490+3704 COU1145 2008 93 313 0.1 7.82 8.32 G0 NOD 174858.27+370343.0
17490+3704 COU1145 2012 94 122 0.2 7.82 8.32 G0 NOD 174858.27+370343.0
17490+3704 COU1145 2016 95 283 0.2 7.82 8.32 G0 NO 174858.27+370343.0

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

 
 
WDS 17490+3704 COU 1145 (HD 162338) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17490+3704 COU 1145 (HD 162338) : MEASURES
 
 
No records found.

 
 
WDS 17490+3704 (HD 162338) : VIRTUAL EYEPIECE
 
 

17490+3704 COU1145A mag 7.82 Sp G0 17490+3704 COU1145B sep 0.1 P.A. 286.60 mag 8.32 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 17490+3704 (HD 162338) : ALADIN DSS IMAGE @ 17h 48m 58.27s +37° 03' 43.0"
 
 
 
 
WDS 17490+3704 COU 1145 (HD 162338) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17490+3704 COU1145 distance=0' 17496+3649 ES 2169 distance=17' 17505+3651 COU1146 distance=23' 17482+3637 TDT 511 distance=29' 17507+3638 TDS 889 distance=34' 17457+3708 TDT 492 distance=40' 17493+3745 MLB 753 distance=42' 17508+3741 STF2238 distance=44' 17450+3702 CRB 123 distance=49' 17518+3756 ES 2568 distance=51' 17532+3713 DAE 11 distance=52' 17470+3750 COU1144 distance=52' 17496+3756 ES 2567 distance=54' 17523+3624 OSO 85 distance=57' 17482+3605 LDS4761 distance=60' 17437+3655 ES 2168 distance=64' 17449+3752 ES 2016 distance=69' 17469+3555 MLB 936 distance=73' 17511+3555 LDS4766 distance=74' 17552+3647 KPP1766 distance=77' 17464+3553 TDT 497 distance=78' 17457+3557 TDT 493 distance=78' 17533+3605 STF2243 distance=78' 17512+3821 HU 1183 distance=82' 17455+3554 HDS2509 distance=82' 17551+3745 OSO 89AB distance=84' 17551+3745 OSO 89AC distance=84' 17551+3745 OSO 89AD distance=84' 17487+3536 FMR 72BC distance=88' 17487+3536 HU 1182AB distance=88' 17487+3536 FMR 72AC distance=88' 17487+3832 UC 3416 distance=89' 17548+3610 COU1303 distance=89' 17467+3538 STF2226 distance=90' 17553+3753 GRV 969 distance=91' 17561+3636 ES 2477 distance=93' 17420+3746 TDS 878 distance=94' 17424+3605 CBL 71 distance=99' 17504+3526 STF2236AB distance=99' 17504+3526 ORL 1Aa,Ab distance=99' 17422+3804 RAO 20AB distance=101' 17422+3804 RBR 29Aa,Ab distance=101' 17415+3752 COU 996AB distance=102' 17415+3752 GII 251Aa,Ab distance=102' 17579+3741 ROE 4 distance=108' 17578+3744 TOB 141 distance=113' 17462+3853 COU1300 distance=114' 17506+3511 UC 3423 distance=115' 17553+3532 TDT 572AB distance=120' 17553+3532 A 2987AC distance=120' 17591+3716 J 755 distance=122' 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 17490+3704 COU1145 283 0.2
Show 17496+3649 ES 2169 337 8.5 17
Show 17505+3651 COU1146 146 0.1 23
Show 17482+3637 TDT 511 68 0.6 29
Show 17507+3638 TDS 889 14 1.4 34
Show 17457+3708 TDT 492 51 0.7 40
Show 17493+3745 MLB 753 352 9.9 42
Show 17508+3741 STF2238 285 2.4 44
Show 17450+3702 CRB 123 109 9.0 49
Show 17518+3756 ES 2568 39 11.8 51
Show 17532+3713 DAE 11 1.6 52
Show 17470+3750 COU1144 104 0.9 52
Show 17496+3756 ES 2567 194 5.6 54
Show 17523+3624 OSO 85 73 28.2 57
Show 17482+3605 LDS4761 41.3 60
Show 17437+3655 ES 2168 299 6.9 64
Show 17449+3752 ES 2016 218 4.3 69
Show 17469+3555 MLB 936 83 2.9 73
Show 17511+3555 LDS4766 187 9.7 74
Show 17552+3647 KPP1766 85 13.7 77
Show 17464+3553 TDT 497 84 0.8 78
Show 17457+3557 TDT 493 141 0.7 78
Show 17533+3605 STF2243 39 1.1 78
Show 17512+3821 HU 1183 191 0.5 82
Show 17455+3554 HDS2509 75 0.5 82
Show 17551+3745 OSO 89 AB 117 20.7 84
Show 17551+3745 OSO 89 AC 74 21.3 84
Show 17551+3745 OSO 89 AD 26 23.8 84
Show 17487+3536 FMR 72 BC 229 6.7 88
Show 17487+3536 HU 1182 AB 299 0.4 88
Show 17487+3536 FMR 72 AC 220 6.1 88
Show 17487+3832 UC 3416 22 13.2 89
Show 17548+3610 COU1303 258 1.3 89
Show 17467+3538 STF2226 89 12.7 90
Show 17553+3753 GRV 969 156 43.1 91
Show 17561+3636 ES 2477 5 6.8 93
Show 17420+3746 TDS 878 253 1.5 94
Show 17424+3605 CBL 71 195 26.8 99
Show 17504+3526 STF2236 AB 98 3.4 99
Show 17504+3526 ORL 1 Aa,Ab 31 0.3 99
Show 17422+3804 RAO 20 AB 302 2.3 101
Show 17422+3804 RBR 29 Aa,Ab 138 0.0 101
Show 17415+3752 COU 996 AB 322 1.6 102
Show 17415+3752 GII 251 Aa,Ab 134 0.1 102
Show 17579+3741 ROE 4 164 11.3 108
Show 17578+3744 TOB 141 356 16.8 113
Show 17462+3853 COU1300 126 0.8 114
Show 17506+3511 UC 3423 180 41.4 115
Show 17553+3532 TDT 572 AB 59 1.4 120
Show 17553+3532 A 2987 AC 61 1.4 120
Show 17591+3716 J 755 141 1.7 122

 
 
WDS 17490+3704 : COMPONENTS
 
 
  A
B pa=286.6°
sep=0.13"
 
 
17490+3704 A
 
 
Componente originario normalizzato AB Name HD 162338 Coord arcsec 2000 174858.27+370343.0 Mag 7.82
Spectral class G0 (yellow) PmRA 63.00 PmDE -84.0 SAO 66352
HIP 87204 Tycho2 2619-00395-1 HD 162338 GC 24210
BD BD+37 2949
Tycho2
Tycho2 2619-00395-1 Pflag RAmdeg 267.24298640 DEmdeg 37.06172533
PmRA 60.7 PmDE -86.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.28 EpDEm 1991.40
Num 14 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.4
Q pmDE 0.8 BTmag 7.790 E BTmag 0.015 VTmag 7.236
E VTmag 0.010 Prox 999 TYC T HIP 87204
CCDM AB RAdeg 267.24280861 DEdeg 37.06192583 EpRA 1990 1.59
EpDE 1990 1.62 E RAdeg 4.2 E DEdeg 4.1 Posflg P
Corr 0.0
SAO
SAO 66352 DelFlag RA1950 PmRA1950 0.0064
DE1950 PmDE1950 -0.085 Vmag 7.1 SpType G0
Double code Source 70 CatNum 24210 DM BD+37 2949
DMcomp BDsup HD 162338 M HD 0
GC 24210 RA1950rad 4.65673609 DE1950rad 0.64712004 PmRA2000 0.0068
PmDE2000 -0.083
Hipparcos
Catalog H HIP 87204 Proxy H RAhms 17 48 58.27
DEdms +37 03 43.0 Vmag 7.18 VarFlag R Vmag H
RAdeg 267.243 DEdeg 37.0619 AstroRef * Plx 18.8
CCDM 17490+3704 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 128 Rho 0.146 HD 162338 BD BD+37 2949
CD CP Dm number +37 2949 VIred 0.59
SpType G0 R SpType Coord arcsec 2000 174858.27+370343.0
Hipparcos 2
HIP 87204 Sn 55 So 3 Nc 2
RArad 4.6642668577 DErad 0.6468527813 Plx 19.37 PmRA 59.38
PmDE -82.92 E RArad 0.37 E DErad 0.43 E Plx 0.47
E pmRA 0.37 E pmDE 0.54 Hpmag 7.2874 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.514 E BV 0.008
VI 0.59
CCDM
Ccdm 17490+3704 RComp Comp A Note1
Note2 Discov num DRAs -1.67 DDEs -17.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp G0 PmNote *
PmRA 60 PmDE -83 Dm number +37 2949 Cat1 BD
Name2 +37 1591 Cat2 AGK2/3 HD 162338 M HD
ADS BDS M ADS BDS N IDS IDS 17455N3706A
HIC 87204
 
 
17490+3704 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174858.26+370343.0 Mag 8.32 Calc delta mag 0.5
Calc coord yes
CCDM
Ccdm 17490+3704 RComp Comp B Note1 *
Note2 Discov num COU1145 DRAs DDEs
R dRAs Year 1974 Theta 101 Rho 0.2
Obs 1 Vmag 7.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17455N3706B
HIC 87204