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Doubles in session


Current system
18363+2143
COU 206
HD 342628


Nearby doubles
14' : 18353+2145
COU 205

24' : 18366+2206
HJ 2834

25' : 18368+2120
HU 323

41' : 18355+2104
STF2345

51' : 18343+2101
TDT 939

54' : 18389+2222
COU 207

55' : 18333+2219
LEP 89

57' : 18335+2102
COU 204AB

58' : 18331+2221
KPP 419

62' : 18354+2243
SLE 212

64' : 18393+2056
STF2360

64' : 18408+2142
HU 324

67' : 18324+2221
J 807

76' : 18412+2111
TDT 994

77' : 18406+2230
TDT 989

78' : 18359+2018
L 60

81' : 18343+2258
TDT 938

81' : 18351+2302
TDT 948

81' : 18311+2216
COU 15

83' : 18339+2300
POU3431

84' : 18310+2221
J 806

88' : 18334+2301
J 463AB

88' : 18420+2221
TDT1008

88' : 18389+2019
L 63

90' : 18378+2310
POU3443

90' : 18299+2141
TDS 926



Selections
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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.

18363+2143 COU 206 (HD 342628)

 
 
18h 36m 16.58s +21° 43' 07.9" P.A. 149.00 sep 0.1 mag 9.60,9.90 Sp F8+F9
 
 
Coord 2000 18363+2143 Discov num COU 206 Comp Coord arcsec 2000 18 36 16.58 +21 43 07.9
Date first 1967 Date last 2013 Obs 20
Pa first 145 Pa last 149.1 P.A. Now (θ) 149.1°
Sep first 0.2 Sep last 0.096 Sep. Now (ρ) 0.096"
Mag pri 9.60 Mag sec 9.90 delta mag (ΔM) 0.3 Spectral class F8+F9 (yellow-white/yellow-white)
Pri motion ra -006 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 342628 Constellation Hercules SAO 86235 Tycho2 1582-00150-1
Gaia DR2 4532050079158931712 HD 342628
 
 
ORBITAL ELEMENTS
 
 
Period (P)202y± 40 Periastron (T)2002y± 0.2 Semi-major axis (a)0.168a± 0.015
Eccentricity (e)0.773± 0.04 Inclination (i)119.2°± 3 Longitude of periastron (ω)143.4°
Node (Ω)137.3°± 0.5 Notesn ReferenceDoc2010h
Equinox2000 Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 22.5 0.022
2001 355.4 0.026
2002 337.2 0.033
2003 324.8 0.038
2004 315.3 0.043
2005 307.3 0.045
2006 299.9 0.047
2007 293.0 0.048
2008 286.2 0.048
2009 279.5 0.048
2010 272.9 0.049
2011 266.5 0.049
2012 260.2 0.050
2013 254.1 0.051
2014 248.3 0.053
2015 242.8 0.054
2016 237.7 0.056
2017 232.9 0.058
2018 228.5 0.060
2019 224.4 0.063
2020 220.6 0.066
2021 217.2 0.069
2022 214.0 0.071
2023 211.1 0.075
2024 208.4 0.078
2025 205.9 0.081
2026 203.6 0.084
2027 201.5 0.087
2028 199.5 0.090
2029 197.7 0.094
2030 196.0 0.097


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


 
  


wds18363%2B2143b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18363+2143 COU 206 (HD 342628) : NOTES
 
 
discov_num notes refcode
COU 206 Docobo et al. (2010) derive a dynamic parallax of 3.15 +/- 0.30 mas Doc2010h
and a total mass of 3.72 +/- 2.07 Msun. The mass is excessive for the
spectral types.
 
 
REFERENCES
 
 
refcode metd author reference
Doc2010h S j Docobo, J.A., Tamazian, V.S., Balega, Y.Y., & Melikian, N.D. 2010AJ....140.1078D
Doc2010h +orb AJ 140, 1078, 2010
 
 
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
18363+2143 COU 206 1992 18 127 0.1 9.00 9.00 F8 O 183616.58+214307.9
18363+2143 COU 206 2007 19 289 0.0 9.60 9.90 F8 F9 NOD 183616.58+214307.9
18363+2143 COU 206 2013 20 149 0.1 9.60 9.90 F8+F9 NO 183616.58+214307.9

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

 
 
WDS 18363+2143 COU 206 (HD 342628) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18363+2143 COU 206 (HD 342628) : MEASURES
 
 
No records found.

 
 
WDS 18363+2143 (HD 342628) : VIRTUAL EYEPIECE
 
 

18363+2143 COU 206A mag 9.6 Sp F8 18363+2143 COU 206B sep 0.1 P.A. 150.90 mag 9.9 Sp F9 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 18363+2143 (HD 342628) : ALADIN DSS IMAGE @ 18h 36m 16.58s +21° 43' 07.9"
 
 
 
 
WDS 18363+2143 COU 206 (HD 342628) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18363+2143 COU 206 distance=0' 18353+2145 COU 205 distance=14' 18366+2206 HJ 2834 distance=24' 18368+2120 HU 323 distance=25' 18355+2104 STF2345 distance=41' 18343+2101 TDT 939 distance=51' 18389+2222 COU 207 distance=54' 18333+2219 LEP 89 distance=55' 18335+2102 COU 204AB distance=57' 18331+2221 KPP 419 distance=58' 18354+2243 SLE 212 distance=62' 18393+2056 STF2360 distance=64' 18408+2142 HU 324 distance=64' 18324+2221 J 807 distance=67' 18412+2111 TDT 994 distance=76' 18406+2230 TDT 989 distance=77' 18359+2018 L 60 distance=78' 18343+2258 TDT 938 distance=81' 18351+2302 TDT 948 distance=81' 18311+2216 COU 15 distance=81' 18339+2300 POU3431 distance=83' 18310+2221 J 806 distance=84' 18334+2301 J 463AB distance=88' 18334+2301 J 463AB,C distance=88' 18420+2221 TDT1008 distance=88' 18389+2019 L 63 distance=88' 18378+2310 POU3443 distance=90' 18299+2141 TDS 926 distance=90' 18369+2021 L 61 distance=90' 18425+2116 BRT2448 distance=91' 18319+2253 SLE 188 distance=93' 18426+2209 COU 208 distance=93' 18388+2309 POU3451 distance=93' 18399+2019 L 64 distance=94' 18320+2031 LAW 18 distance=94' 18293+2144 J 2913AB distance=96' 18293+2144 J 2913AC distance=96' 18369+2019 L 62 distance=97' 18368+2320 POU3438AB distance=97' 18368+2320 POU3439AC distance=97' 18316+2030 COU 119 distance=98' 18369+2323 TDT 958 distance=101' 18361+2003 TDS 931 distance=101' 18336+2321 POU3430 distance=105' 18317+2310 HU 321AB distance=108' 18317+2310 HU 321AC distance=108' 18389+2324 TDT 972 distance=108' 18293+2052 TDT 904 distance=111' 18332+2326 POU3429 distance=111' 18355+2336 STT 359 distance=114' 18400+2324 POU3460 distance=115' 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 18363+2143 COU 206 149 0.1
Show 18353+2145 COU 205 148 0.1 14
Show 18366+2206 HJ 2834 246 19.7 24
Show 18368+2120 HU 323 143 0.2 25
Show 18355+2104 STF2345 225 12.3 41
Show 18343+2101 TDT 939 180 0.5 51
Show 18389+2222 COU 207 298 1.6 54
Show 18333+2219 LEP 89 302 49.1 55
Show 18335+2102 COU 204 AB 130 11.9 57
Show 18331+2221 KPP 419 170 3.7 58
Show 18354+2243 SLE 212 255 14.3 62
Show 18393+2056 STF2360 358 2.5 64
Show 18408+2142 HU 324 113 0.9 64
Show 18324+2221 J 807 310 3.7 67
Show 18412+2111 TDT 994 27 0.7 76
Show 18406+2230 TDT 989 233 2.4 77
Show 18359+2018 L 60 188 2.5 78
Show 18343+2258 TDT 938 67 0.9 81
Show 18351+2302 TDT 948 222 2.5 81
Show 18311+2216 COU 15 118 1.9 81
Show 18339+2300 POU3431 342 6.8 83
Show 18310+2221 J 806 240 2.4 84
Show 18334+2301 J 463 AB 224 1.9 88
Show 18334+2301 J 463 AB,C 97 23.8 88
Show 18420+2221 TDT1008 41 2.4 88
Show 18389+2019 L 63 63 2.7 88
Show 18378+2310 POU3443 43 2.8 90
Show 18299+2141 TDS 926 253 0.9 90
Show 18369+2021 L 61 279 5.4 90
Show 18425+2116 BRT2448 294 3.8 91
Show 18319+2253 SLE 188 99 17.7 93
Show 18426+2209 COU 208 304 0.3 93
Show 18388+2309 POU3451 310 7.4 93
Show 18399+2019 L 64 74 4.1 94
Show 18320+2031 LAW 18 18 1.4 94
Show 18293+2144 J 2913 AB 117 3.2 96
Show 18293+2144 J 2913 AC 158 15.5 96
Show 18369+2019 L 62 314 6.2 97
Show 18368+2320 POU3438 AB 359 8.5 97
Show 18368+2320 POU3439 AC 56 15.2 97
Show 18316+2030 COU 119 229 0.7 98
Show 18369+2323 TDT 958 255 0.4 101
Show 18361+2003 TDS 931 49 1.2 101
Show 18336+2321 POU3430 178 7.2 105
Show 18317+2310 HU 321 AB 21 20.6 108
Show 18317+2310 HU 321 AC 342 74.4 108
Show 18389+2324 TDT 972 47 0.8 108
Show 18293+2052 TDT 904 223 0.7 111
Show 18332+2326 POU3429 3 11.3 111
Show 18355+2336 STT 359 5 0.8 114
Show 18400+2324 POU3460 120 11.5 115

 
 
WDS 18363+2143 : COMPONENTS
 
 
  A
B pa=150.9°
sep=0.09"
 
 
18363+2143 A
 
 
Componente originario normalizzato AB Name HD 342628 Coord arcsec 2000 183616.58+214307.9 Mag 9.6
Spectral class F8 (yellow-white) PmRA -6.00 PmDE 19.0 SAO 86235
Tycho2 1582-00150-1 HD 342628 DM BD+21 3492
Tycho2
Tycho2 1582-00150-1 Pflag RAmdeg 279.06907908 DEmdeg 21.71888233
PmRA -5.2 PmDE 23.6 E RAmdeg 9 E DEmdeg 8
E pmRA 0.9 E pmDE 0.9 EpRAm 1989.94 EpDEm 1990.32
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 9.696 E BTmag 0.019 VTmag 9.075
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 279.06909389 DEdeg 21.71882694 EpRA 1990 1.28
EpDE 1990 1.47 E RAdeg 8.6 E DEdeg 7.8 Posflg
Corr 0.3
SAO
SAO 86235 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.016 Vmag 8.7 SpType F8
Double code Source 35 CatNum 6563 DM BD+21 3492
DMcomp BDsup HD 342628 M HD 0
GC RA1950rad 4.86140257 DE1950rad 0.37831637 PmRA2000 -0.0004
PmDE2000 0.016
CCDM
Ccdm 18363+2143 RComp Comp A Note1
Note2 Discov num DRAs -1.42 DDEs 7.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp F8 PmNote *
PmRA -2 PmDE 19 Dm number +21 3492 Cat1 BD
Name2 +21 1870 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 18320N2138A
HIC
 
 
18363+2143 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183616.58+214307.8 Mag 9.9 Spectral class F9 (yellow-white)
Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 18363+2143 RComp Comp B Note1
Note2 Discov num COU 206 DRAs DDEs
R dRAs Year 1967 Theta 145 Rho 0.2
Obs 1 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18320N2138B
HIC