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Current system
16371+1732
COU 311


Nearby doubles
38' : 16354+1703
WEB 6

40' : 16386+1658
LEP 149

59' : 16354+1638
UC 3188

60' : 16407+1701
UC 3206

61' : 16412+1714
HDS2366

75' : 16413+1816
COU2512

78' : 16318+1719
COU 310

78' : 16416+1647
LDS4687

83' : 16387+1613
STF2073

88' : 16317+1704
H N 3AB

88' : 16345+1613
STF2064

95' : 16334+1614
UC 3185

101' : 16419+1618
BPM 666

109' : 16295+1728
KPP4001

117' : 16450+1758
GWP2662

122' : 16377+1933
STF2070

122' : 16296+1635
A 2084

123' : 16424+1908
CBL 510

123' : 16434+1608
HEI 243

125' : 16311+1601
GRV1220

127' : 16362+1526
BPM 663

129' : 16289+1825
STF2052AB

131' : 16322+1542
SLW1184

131' : 16316+1917
STF2057AB

132' : 16317+1919
STF2058AB

136' : 16374+1947
TDS 826



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16371+1732 COU 311

 
 
16h 37m 05.87s +17° 31' 54.0" P.A. 106.00 sep 0.3 mag 10.30,10.30 Sp K0
 
 
Coord 2000 16371+1732 Discov num COU 311 Comp Coord arcsec 2000 16 37 05.87 +17 31 54.0
Date first 1968 Date last 2013 Obs 15
Pa first 80 Pa last 105.9 P.A. Now (θ) 105.9°
Sep first 0.2 Sep last 0.282 Sep. Now (ρ) 0.282"
Mag pri 10.30 Mag sec 10.30 delta mag (ΔM) 0 Spectral class K0 (yellow-orange)
Pri motion ra -021 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1523-01213-1
 
 
ORBITAL ELEMENTS
 
 
Period (P)157.89y Periastron (T)1950.24y Semi-major axis (a)0.263a
Eccentricity (e)0.55 Inclination (i)44° Longitude of periastron (ω)217.2°
Node (Ω)95.1° Notes ReferenceCou1999b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 104.1 0.362
2001 104.8 0.364
2002 105.5 0.366
2003 106.2 0.368
2004 106.9 0.370
2005 107.6 0.371
2006 108.3 0.373
2007 108.9 0.374
2008 109.6 0.375
2009 110.3 0.376
2010 110.9 0.377
2011 111.6 0.378
2012 112.3 0.378
2013 112.9 0.379
2014 113.6 0.379
2015 114.3 0.379
2016 114.9 0.380
2017 115.6 0.379
2018 116.2 0.379
2019 116.9 0.379
2020 117.5 0.379
2021 118.2 0.378
2022 118.9 0.378
2023 119.5 0.377
2024 120.2 0.376
2025 120.9 0.375
2026 121.6 0.374
2027 122.2 0.373
2028 122.9 0.372
2029 123.6 0.370
2030 124.3 0.369


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


 
  


wds16371%2B1732a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16371+1732 COU 311 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cou1999b orb - Couteau, P. .
Cou1999b Cat. de 2700 Etoiles Doubles "COU", 1999 Obs. de la Cote d'Azur, 3rd ed.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16371+1732 COU 311 1996 6 102 0.4 10.30 10.30 K0 O 163705.87+173154.0
16371+1732 COU 311 2008 8 104 0.2 10.30 10.30 K0 O 163705.87+173154.0
16371+1732 COU 311 2012 10 102 0.3 10.30 10.30 K0 O 163705.87+173154.0
16371+1732 COU 311 2013 15 106 0.3 10.30 10.30 K0 O 163705.87+173154.0

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

 
 
WDS 16371+1732 COU 311 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16371+1732 COU 311 : MEASURES
 
 
No records found.

 
 
WDS 16371+1732 : VIRTUAL EYEPIECE
 
 

16371+1732 COU 311A mag 10.3 Sp K0 16371+1732 COU 311B sep 0.3 P.A. 106.60 mag 10.3 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 16371+1732 : ALADIN DSS IMAGE @ 16h 37m 05.87s +17° 31' 54.0"
 
 
 
 
WDS 16371+1732 COU 311 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16371+1732 COU 311 distance=0' 16354+1703 WEB 6 distance=38' 16386+1658 LEP 149 distance=40' 16354+1638 UC 3188 distance=59' 16407+1701 UC 3206 distance=60' 16412+1714 HDS2366 distance=61' 16416+1714 COU 312Aa,Ab distance=68' 16413+1816 COU2512 distance=75' 16318+1719 COU 310 distance=78' 16416+1647 LDS4687 distance=78' 16387+1613 STF2073 distance=83' 16317+1704 H N 3AB distance=88' 16317+1704 H N 3AC distance=88' 16345+1613 STF2064 distance=88' 16334+1614 UC 3185 distance=95' 16419+1618 BPM 666 distance=101' 16295+1728 KPP4001 distance=109' 16450+1758 GWP2662 distance=117' 16377+1933 STF2070 distance=122' 16296+1635 A 2084 distance=122' 16424+1908 CBL 510 distance=123' 16434+1608 HEI 243 distance=123' 16311+1601 GRV1220 distance=125' 16362+1526 BPM 663 distance=127' 16289+1825 STF2052AB distance=129' 16289+1825 STF2052AC distance=129' 16322+1542 SLW1184 distance=131' 16316+1917 STF2057AB distance=131' 16316+1917 STF2057AC distance=131' 16317+1919 STF2058AB distance=132' 16317+1919 STF2058AC distance=132' 16374+1947 TDS 826 distance=136' 16323+1931 TOB 259 distance=138' 16359+1950 RAO 351 distance=139' 16455+1618 HEI 796 distance=142' 16465+1647 BPM 668 distance=143' 16462+1629 CRC 21BC distance=146' 16446+1914 UC 3220BC distance=148' 16446+1914 UC 3220AB distance=148' 16301+1540 SKF2727 distance=151' 16446+1920 MMA 5 distance=152' 16416+1513 USN 2 distance=154' 16329+1506 STE 11 distance=160' 16303+1522 GIC 143AB distance=163' 16303+1522 RAO 349Aa,Ab distance=163' 16265+1634 UC 3169 distance=163' 16417+1500 TDT 34 distance=166' 16272+1900 HDS2326 distance=167' 16348+2016 SKF1646 distance=168' 16254+1718 STF2043 distance=168' 16281+1546 SLW1181 distance=168' 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 16371+1732 COU 311 106 0.3
Show 16354+1703 WEB 6 1 155.3 38
Show 16386+1658 LEP 149 114 5.4 40
Show 16354+1638 UC 3188 332 21.1 59
Show 16407+1701 UC 3206 320 15.7 60
Show 16412+1714 HDS2366 94 0.6 61
Show 16416+1714 COU 312 Aa,Ab 359 0.9 68
Show 16413+1816 COU2512 2 0.4 75
Show 16318+1719 COU 310 321 1.0 78
Show 16416+1647 LDS4687 275 23.6 78
Show 16387+1613 STF2073 75 30.2 83
Show 16317+1704 H N 3 AB 54 24.1 88
Show 16317+1704 H N 3 AC 133 28.7 88
Show 16345+1613 STF2064 312 70.5 88
Show 16334+1614 UC 3185 306 28.6 95
Show 16419+1618 BPM 666 29 82.2 101
Show 16295+1728 KPP4001 125 4.6 109
Show 16450+1758 GWP2662 72 15.9 117
Show 16377+1933 STF2070 142 28.5 122
Show 16296+1635 A 2084 131 0.4 122
Show 16424+1908 CBL 510 334 6.4 123
Show 16434+1608 HEI 243 339 3.0 123
Show 16311+1601 GRV1220 64 11.7 125
Show 16362+1526 BPM 663 118 116.7 127
Show 16289+1825 STF2052 AB 118 2.5 129
Show 16289+1825 STF2052 AC 44 136.4 129
Show 16322+1542 SLW1184 336 27.2 131
Show 16316+1917 STF2057 AB 269 4.9 131
Show 16316+1917 STF2057 AC 49 173.8 131
Show 16317+1919 STF2058 AB 352 1.8 132
Show 16317+1919 STF2058 AC 141 15.3 132
Show 16374+1947 TDS 826 201 1.3 136
Show 16323+1931 TOB 259 316 19.0 138
Show 16359+1950 RAO 351 258 0.4 139
Show 16455+1618 HEI 796 118 2.3 142
Show 16465+1647 BPM 668 62 17.6 143
Show 16462+1629 CRC 21 BC 36 14.6 146
Show 16446+1914 UC 3220 BC 62 57.5 148
Show 16446+1914 UC 3220 AB 206 27.8 148
Show 16301+1540 SKF2727 294 0.7 151
Show 16446+1920 MMA 5 324 28.2 152
Show 16416+1513 USN 2 88 0.1 154
Show 16329+1506 STE 11 242 4.6 160
Show 16303+1522 GIC 143 AB 167 15.2 163
Show 16303+1522 RAO 349 Aa,Ab 269 0.5 163
Show 16265+1634 UC 3169 182 5.7 163
Show 16417+1500 TDT 34 41 0.9 166
Show 16272+1900 HDS2326 236 0.3 167
Show 16348+2016 SKF1646 343 1.3 168
Show 16254+1718 STF2043 85 10.0 168
Show 16281+1546 SLW1181 174 164.1 168

 
 
WDS 16371+1732 : COMPONENTS
 
 
  A
B pa=106.6°
sep=0.27"
 
 
16371+1732 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 163705.87+173154.0 Mag 10.3 Spectral class K0 (yellow-orange)
PmRA -21.00 PmDE 13.0 Tycho2 1523-01213-1
Tycho2
Tycho2 1523-01213-1 Pflag RAmdeg 249.27462947 DEmdeg 17.53135031
PmRA 1.9 PmDE -5.7 E RAmdeg 37 E DEmdeg 53
E pmRA 1.7 E pmDE 1.7 EpRAm 1986.37 EpDEm 1979.59
Num 3 Q RAmdeg 2.6 Q DEmdeg 2.3 Q pmRA 2.6
Q pmDE 2.4 BTmag 11.868 E BTmag 0.090 VTmag 11.050
E VTmag 0.070 Prox 999 TYC T HIP
CCDM RAdeg 249.27462500 DEdeg 17.53136389 EpRA 1990 1.82
EpDE 1990 1.50 E RAdeg 38.0 E DEdeg 56.9 Posflg
Corr -0.2
CCDM
Ccdm 16371+1732 RComp Comp A Note1
Note2 Discov num DRAs -0.17 DDEs -5.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.3 Sp K PmNote *
PmRA -25 PmDE 13 Dm number +17 3061 Cat1 BD
Name2 +17 1624 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 16326N1742A
HIC
 
 
16371+1732 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 163705.89+173153.9 Mag 10.3 Calc coord yes
CCDM
Ccdm 16371+1732 RComp Comp B Note1
Note2 Discov num COU 311 DRAs DDEs
R dRAs Year 1968 Theta 80 Rho 0.2
Obs 1 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16326N1742B
HIC