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Doubles in session


Current system
15186+2356
COU 307


Nearby doubles
22' : 15171+2350
CVR 781

28' : 15200+2338
COU 103

43' : 15171+2320
POU3184

47' : 15152+2357
LDS4540

53' : 15156+2430
CBL 483

58' : 15154+2437
POU3183

64' : 15183+2500
HJ 2774

69' : 15136+2356
POU3182

77' : 15130+2355
POU3181

78' : 15223+2455
COU 309

79' : 15236+2317
POU3186

80' : 15195+2515
COU 308

80' : 15181+2237
POU3185

83' : 15247+2357
POU3187

90' : 15214+2236
GRV 904

93' : 15247+2318
COU 105

95' : 15155+2233
STT 293

97' : 15256+2401
POU3188

100' : 15159+2225
CVR 164

104' : 15211+2534
GRV 903AB

105' : 15190+2541
LDS6304

114' : 15104+2410
POU3180

114' : 15224+2537
HJ 2777

114' : 15205+2206
COU 104

117' : 15173+2552
KPP1217

117' : 15271+2355
A 82



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.

15186+2356 COU 307

 
 
15h 18m 34.84s +23° 56' 42.8" P.A. 358.00 sep 0.3 mag 9.50,9.60 Sp G0
 
 
Coord 2000 15186+2356 Discov num COU 307 Comp Coord arcsec 2000 15 18 34.84 +23 56 42.8
Date first 1968 Date last 2014 Obs 26
Pa first 64 Pa last 358.3 P.A. Now (θ) 358.3°
Sep first 0.2 Sep last 0.304 Sep. Now (ρ) 0.304"
Mag pri 9.50 Mag sec 9.60 delta mag (ΔM) 0.1 Spectral class G0 (yellow)
Pri motion ra -002 Sec motion ra
Pri motion dec +061 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 2025-00994-1
 
 
ORBITAL ELEMENTS
 
 
Period (P)300y Periastron (T)1964.7y Semi-major axis (a)0.597a
Eccentricity (e)0.76 Inclination (i)117.6° Longitude of periastron (ω)288.4°
Node (Ω)59.1° Notes ReferenceLin2017c
Equinox2000 Last observation2017 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 14.2 0.336
2001 13.1 0.337
2002 12.0 0.339
2003 10.8 0.340
2004 9.7 0.342
2005 8.6 0.343
2006 7.6 0.345
2007 6.5 0.346
2008 5.4 0.348
2009 4.3 0.349
2010 3.3 0.351
2011 2.2 0.352
2012 1.2 0.354
2013 0.2 0.355
2014 359.2 0.357
2015 358.2 0.358
2016 357.2 0.360
2017 356.2 0.361
2018 355.2 0.363
2019 354.2 0.364
2020 353.2 0.366
2021 352.3 0.367
2022 351.3 0.369
2023 350.4 0.371
2024 349.5 0.372
2025 348.5 0.374
2026 347.6 0.376
2027 346.7 0.377
2028 345.8 0.379
2029 344.9 0.381
2030 344.0 0.383


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


 
  


wds15186%2B2356e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15186+2356 COU 307 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Lin2017c orb - Ling, J.F., Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Zanutta, A., 2017IAUDS.193....1L
Lin2017c Aristidi, E., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Lin2017c Inf. Circ. 193, 1, 2017
 
 
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
15186+2356 COU 307 1997 14 17 0.3 9.50 9.60 G0 O 151834.84+235642.8
15186+2356 COU 307 2008 15 4 0.3 9.50 9.60 G0 O 151834.84+235642.8
15186+2356 COU 307 2010 17 3 0.4 9.50 9.60 G0 O 151834.84+235642.8
15186+2356 COU 307 2012 19 1 0.3 9.50 9.60 G0 O 151834.84+235642.8
15186+2356 COU 307 2013 24 358 0.4 9.50 9.60 G0 O 151834.84+235642.8
15186+2356 COU 307 2014 26 358 0.3 9.50 9.60 G0 O 151834.84+235642.8

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

 
 
WDS 15186+2356 COU 307 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15186+2356 COU 307 : MEASURES
 
 
No records found.

 
 
WDS 15186+2356 : VIRTUAL EYEPIECE
 
 

15186+2356 COU 307A mag 9.5 Sp G0 15186+2356 COU 307B sep 0.3 P.A. 358.40 mag 9.6 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 15186+2356 : ALADIN DSS IMAGE @ 15h 18m 34.84s +23° 56' 42.8"
 
 
 
 
WDS 15186+2356 COU 307 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15186+2356 COU 307 distance=0' 15171+2350 CVR 781 distance=22' 15200+2338 COU 103 distance=28' 15171+2320 POU3184 distance=43' 15152+2357 LDS4540 distance=47' 15156+2430 CBL 483 distance=53' 15154+2437 POU3183 distance=58' 15183+2500 HJ 2774 distance=64' 15136+2356 POU3182 distance=69' 15130+2355 POU3181 distance=77' 15223+2455 COU 309 distance=78' 15236+2317 POU3186 distance=79' 15195+2515 COU 308 distance=80' 15181+2237 POU3185 distance=80' 15247+2357 POU3187 distance=83' 15214+2236 GRV 904 distance=90' 15247+2318 COU 105 distance=93' 15155+2233 STT 293 distance=95' 15256+2401 POU3188 distance=97' 15159+2225 CVR 164 distance=100' 15211+2534 GRV 903AB distance=104' 15211+2534 LSC 150Aa,Ab distance=104' 15190+2541 LDS6304 distance=105' 15104+2410 POU3180 distance=114' 15224+2537 HJ 2777 distance=114' 15205+2206 COU 104 distance=114' 15173+2552 KPP1217 distance=117' 15271+2355 A 82 distance=117' 15137+2533 NSN 663 distance=117' 15138+2536 COU 306 distance=118' 15245+2527 LDS4549 distance=121' 15141+2545 STF1924 distance=125' 15093+2350 TDS9419AB distance=128' 15091+2401 LSC 149 distance=131' 15272+2301 POU3189 distance=131' 15094+2317 POU3179 distance=132' 15283+2341 HO 629 distance=135' 15237+2158 UC 206 distance=139' 15195+2136 KPP3290 distance=142' 15175+2619 COU 483 distance=144' 15080+2343 KPP3946 distance=146' 15086+2507 HJ 2766 distance=154' 15125+2143 SLW1071 distance=159' 15100+2206 CVR 162 distance=162' 15300+2311 AZC 92 distance=163' 15073+2452 ENG 52BC distance=164' 15208+2638 LDS4543 distance=164' 15073+2452 ENG 52AB distance=164' 15073+2452 ENG 52AC distance=164' 15232+2628 TDS 772 distance=164' 15182+2642 CVR 782 distance=166' 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 15186+2356 COU 307 358 0.3
Show 15171+2350 CVR 781 219 13.1 22
Show 15200+2338 COU 103 283 0.6 28
Show 15171+2320 POU3184 52 4.4 43
Show 15152+2357 LDS4540 335 161.3 47
Show 15156+2430 CBL 483 2 41.3 53
Show 15154+2437 POU3183 106 12.5 58
Show 15183+2500 HJ 2774 248 17.0 64
Show 15136+2356 POU3182 176 7.9 69
Show 15130+2355 POU3181 150 12.1 77
Show 15223+2455 COU 309 343 1.9 78
Show 15236+2317 POU3186 337 13.4 79
Show 15195+2515 COU 308 355 1.4 80
Show 15181+2237 POU3185 280 8.5 80
Show 15247+2357 POU3187 131 5.9 83
Show 15214+2236 GRV 904 222 58.3 90
Show 15247+2318 COU 105 267 2.1 93
Show 15155+2233 STT 293 345 10.9 95
Show 15256+2401 POU3188 20 10.4 97
Show 15159+2225 CVR 164 243 77.5 100
Show 15211+2534 GRV 903 AB 243 69.2 104
Show 15211+2534 LSC 150 Aa,Ab 288 0.1 104
Show 15190+2541 LDS6304 159 3.3 105
Show 15104+2410 POU3180 304 18.9 114
Show 15224+2537 HJ 2777 342 42.6 114
Show 15205+2206 COU 104 115 5.7 114
Show 15173+2552 KPP1217 300 9.4 117
Show 15271+2355 A 82 354 0.8 117
Show 15137+2533 NSN 663 300 3.5 117
Show 15138+2536 COU 306 246 2.5 118
Show 15245+2527 LDS4549 116 29.9 121
Show 15141+2545 STF1924 306 15.2 125
Show 15093+2350 TDS9419 AB 148 0.5 128
Show 15091+2401 LSC 149 343 0.6 131
Show 15272+2301 POU3189 151 8.2 131
Show 15094+2317 POU3179 322 12.1 132
Show 15283+2341 HO 629 111 21.4 135
Show 15237+2158 UC 206 26 28.2 139
Show 15195+2136 KPP3290 83 6.3 142
Show 15175+2619 COU 483 176 0.7 144
Show 15080+2343 KPP3946 112 1.8 146
Show 15086+2507 HJ 2766 331 57.6 154
Show 15125+2143 SLW1071 210 162.1 159
Show 15100+2206 CVR 162 85 24.7 162
Show 15300+2311 AZC 92 61 14.3 163
Show 15073+2452 ENG 52 BC 357 169.8 164
Show 15208+2638 LDS4543 234 64.1 164
Show 15073+2452 ENG 52 AB 39 103.4 164
Show 15073+2452 ENG 52 AC 12 257.6 164
Show 15232+2628 TDS 772 357 1.0 164
Show 15182+2642 CVR 782 56 9.3 166

 
 
WDS 15186+2356 : COMPONENTS
 
 
  A
B pa=358.4°
sep=0.30"
 
 
15186+2356 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 151834.84+235642.8 Mag 9.5 Spectral class G0 (yellow)
PmRA -2.00 PmDE 61.0
CCDM
Ccdm 15186+2356 RComp Comp A Note1
Note2 Discov num DRAs -1.22 DDEs 12.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp PmNote *
PmRA -4 PmDE 62 Dm number +24 2844 Cat1 BD
Name2 +24 1538 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 15142N2418A
HIC
 
 
15186+2356 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 151834.84+235643.1 Mag 9.6 Tycho2 2025-00994-1
Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 2025-00994-1 Pflag RAmdeg 229.64519087 DEmdeg 23.93709037
PmRA -1.1 PmDE 72.4 E RAmdeg 19 E DEmdeg 18
E pmRA 1.2 E pmDE 1.1 EpRAm 1986.35 EpDEm 1986.80
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 10.866 E BTmag 0.042 VTmag 10.012
E VTmag 0.029 Prox 999 TYC T HIP
CCDM RAdeg 229.64519472 DEdeg 23.93692556 EpRA 1990 1.66
EpDE 1990 1.71 E RAdeg 21.8 E DEdeg 19.8 Posflg
Corr 0.1
CCDM
Ccdm 15186+2356 RComp Comp B Note1
Note2 Discov num COU 307 DRAs DDEs
R dRAs Year 1968 Theta 64 Rho 0.2
Obs 1 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15142N2418B
HIC