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Current system
15347+2655
COU 798


Nearby doubles
3' : 15346+2653
UC 3029

14' : 15355+2647
SHN 202

17' : 15339+2643
STF1955AB

34' : 15371+2650
GRV1211

34' : 15371+2646
HDS2199AB

40' : 15366+2726
MLB 690

45' : 15314+2646
CVR 790

46' : 15340+2610
SLW1108

65' : 15390+2723
KPP2324

70' : 15311+2747
J 3321

74' : 15303+2739
STF1951

74' : 15314+2556
SLW1102

75' : 15380+2556
TDS9569

88' : 15397+2751
KPP3963

89' : 15358+2527
LDS4569

90' : 15358+2823
HO 63

90' : 15307+2805
COU 796

92' : 15390+2545
COU 612

97' : 15418+2647
CBL 493

97' : 15419+2655
TDS9592

100' : 15361+2517
HDS2192

106' : 15300+2530
STF1950

106' : 15364+2838
WIS 289

108' : 15268+2719
AZC 91

113' : 15373+2842
TDS9562

115' : 15427+2618
STF1967



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

15347+2655 COU 798

 
 
15h 34m 40.64s +26° 54' 42.8" P.A. 211.00 sep 0.2 mag 9.50,9.80 Sp G0+G2
 
 
Coord 2000 15347+2655 Discov num COU 798 Comp Coord arcsec 2000 15 34 40.64 +26 54 42.8
Date first 1972 Date last 2014 Obs 41
Pa first 31 Pa last 211.3 P.A. Now (θ) 211.3°
Sep first 0.2 Sep last 0.238 Sep. Now (ρ) 0.238"
Mag pri 9.50 Mag sec 9.80 delta mag (ΔM) 0.3 Spectral class G0+G2 (yellow/yellow)
Pri motion ra -047 Sec motion ra
Pri motion dec +036 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corona Borealis Tycho2 2029-00232-1 Gaia DR2 1222703457470672128
 
 
ORBITAL ELEMENTS
 
 
Period (P)154.7y± 1.5 Periastron (T)1983.37y± 0.05 Semi-major axis (a)0.259a± 0.004
Eccentricity (e)0.357± 0.007 Inclination (i)66.7°± 2.5 Longitude of periastron (ω)24.7°± 10
Node (Ω)46.1°± 4 Notesn ReferenceDoc2010h
Equinox2000 Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 159.2 0.088
2001 166.2 0.094
2002 172.3 0.101
2003 177.5 0.109
2004 182.1 0.117
2005 186.0 0.126
2006 189.4 0.135
2007 192.3 0.144
2008 195.0 0.153
2009 197.3 0.162
2010 199.4 0.171
2011 201.3 0.179
2012 203.0 0.188
2013 204.6 0.196
2014 206.0 0.205
2015 207.3 0.213
2016 208.6 0.220
2017 209.7 0.228
2018 210.8 0.235
2019 211.8 0.242
2020 212.7 0.249
2021 213.6 0.256
2022 214.5 0.262
2023 215.3 0.268
2024 216.1 0.274
2025 216.9 0.280
2026 217.6 0.285
2027 218.3 0.290
2028 218.9 0.295
2029 219.6 0.300
2030 220.2 0.304


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


 
  


wds15347%2B2655b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15347+2655 COU 798 : NOTES
 
 
discov_num notes refcode
COU 798 Docobo et al. (2010) derive a dynamic parallax of 6.51 +/- 0.40 mas Doc2010h
and a total mass of 2.63 +/- 0.50 Msun.
 
 
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
15347+2655 COU 798 1999 34 112 0.1 8.60 8.60 G0 OD 153440.64+265442.8
15347+2655 COU 798 2007 35 194 0.2 8.60 8.60 G0 OD 153440.64+265442.8
15347+2655 COU 798 2008 38 181 0.1 9.50 9.80 G0 G2 NOD 153440.64+265442.8
15347+2655 COU 798 2012 39 204 0.2 9.50 9.80 G0+G2 NO 153440.64+265442.8
15347+2655 COU 798 2014 41 211 0.2 9.50 9.80 G0+G2 NO 153440.64+265442.8

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

 
 
WDS 15347+2655 COU 798 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15347+2655 COU 798 : MEASURES
 
 
No records found.

 
 
WDS 15347+2655 : VIRTUAL EYEPIECE
 
 

15347+2655 COU 798A mag 9.5 Sp G0 15347+2655 COU 798B sep 0.2 P.A. 208.50 mag 9.8 Sp G2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 15347+2655 : ALADIN DSS IMAGE @ 15h 34m 40.64s +26° 54' 42.8"
 
 
 
 
WDS 15347+2655 COU 798 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15347+2655 COU 798 distance=0' 15346+2653 UC 3029 distance=3' 15355+2647 SHN 202 distance=14' 15339+2643 STF1955AB distance=17' 15339+2643 TAR 2AC distance=17' 15371+2650 GRV1211 distance=34' 15371+2646 HDS2199AB distance=34' 15371+2646 GII 40AC distance=34' 15366+2726 MLB 690 distance=40' 15314+2646 CVR 790 distance=45' 15340+2610 SLW1108 distance=46' 15390+2723 KPP2324 distance=65' 15311+2747 J 3321 distance=70' 15303+2739 STF1951 distance=74' 15314+2556 SLW1102 distance=74' 15380+2556 TDS9569 distance=75' 15397+2751 KPP3963 distance=88' 15358+2527 LDS4569 distance=89' 15358+2823 HO 63 distance=90' 15307+2805 COU 796 distance=90' 15390+2545 COU 612 distance=92' 15418+2647 CBL 493 distance=97' 15419+2655 TDS9592 distance=97' 15361+2517 HDS2192 distance=100' 15300+2530 STF1950 distance=106' 15364+2838 WIS 289 distance=106' 15268+2719 AZC 91 distance=108' 15373+2842 TDS9562 distance=113' 15427+2618 STF1967 distance=115' 15348+2500 STT 297 distance=115' 15416+2803 KPP3966 distance=115' 15429+2624 BRT 167 distance=115' 15430+2617 FLA 2 distance=119' 15266+2749 UC 3004 distance=121' 15257+2638 STF1941 distance=122' 15319+2851 TSN 173 distance=123' 15344+2445 LDS4561 distance=130' 15252+2734 AZC 90 distance=133' 15396+2856 TDS9582 distance=138' 15438+2553 LDT 12 distance=138' 15449+2708 CVR1645 distance=138' 15404+2500 LDS4578 distance=138' 15298+2857 YSC 223 distance=139' 15362+2912 TDS9558 distance=139' 15394+2901 TDS9580 distance=142' 15308+2913 CVR 789BC distance=149' 15268+2840 COU 484 distance=149' 15458+2637 COU 615 distance=151' 15383+2431 ARY 11 distance=152' 15279+2902 TDS9523 distance=156' 15423+2853 CRB 1 distance=156' 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 15347+2655 COU 798 211 0.2
Show 15346+2653 UC 3029 290 54.6 3
Show 15355+2647 SHN 202 -1 0.6 14
Show 15339+2643 STF1955 AB 237 7.8 17
Show 15339+2643 TAR 2 AC 35 20.5 17
Show 15371+2650 GRV1211 74 29.8 34
Show 15371+2646 HDS2199 AB 349 0.2 34
Show 15371+2646 GII 40 AC 243 2.1 34
Show 15366+2726 MLB 690 222 2.1 40
Show 15314+2646 CVR 790 48 13.4 45
Show 15340+2610 SLW1108 320 11.2 46
Show 15390+2723 KPP2324 321 19.8 65
Show 15311+2747 J 3321 228 4.4 70
Show 15303+2739 STF1951 293 17.4 74
Show 15314+2556 SLW1102 274 10.1 74
Show 15380+2556 TDS9569 114 0.6 75
Show 15397+2751 KPP3963 179 7.3 88
Show 15358+2527 LDS4569 13 249.0 89
Show 15358+2823 HO 63 311 1.5 90
Show 15307+2805 COU 796 112 0.4 90
Show 15390+2545 COU 612 342 0.3 92
Show 15418+2647 CBL 493 33 13.3 97
Show 15419+2655 TDS9592 36 0.4 97
Show 15361+2517 HDS2192 128 0.2 100
Show 15300+2530 STF1950 91 3.3 106
Show 15364+2838 WIS 289 1 999.9 106
Show 15268+2719 AZC 91 257 13.7 108
Show 15373+2842 TDS9562 190 0.5 113
Show 15427+2618 STF1967 110 0.5 115
Show 15348+2500 STT 297 332 12.8 115
Show 15416+2803 KPP3966 55 2.0 115
Show 15429+2624 BRT 167 235 3.1 115
Show 15430+2617 FLA 2 148 44.9 119
Show 15266+2749 UC 3004 130 6.8 121
Show 15257+2638 STF1941 212 1.4 122
Show 15319+2851 TSN 173 13 0.1 123
Show 15344+2445 LDS4561 287 64.8 130
Show 15252+2734 AZC 90 130 7.8 133
Show 15396+2856 TDS9582 195 0.4 138
Show 15438+2553 LDT 12 262 0.2 138
Show 15449+2708 CVR1645 332 3.5 138
Show 15404+2500 LDS4578 80 14.9 138
Show 15298+2857 YSC 223 258 0.3 139
Show 15362+2912 TDS9558 212 0.4 139
Show 15394+2901 TDS9580 236 0.6 142
Show 15308+2913 CVR 789 BC 170 8.2 149
Show 15268+2840 COU 484 83 0.3 149
Show 15458+2637 COU 615 127 1.0 151
Show 15383+2431 ARY 11 327 151.0 152
Show 15279+2902 TDS9523 52 1.2 156
Show 15423+2853 CRB 1 222 16.1 156

 
 
WDS 15347+2655 : COMPONENTS
 
 
  A
B pa=208.5°
sep=0.23"
 
 
15347+2655 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 153440.64+265442.8 Mag 9.5 Spectral class G0 (yellow)
PmRA -47.00 PmDE 36.0 Tycho2 2029-00232-1
Tycho2
Tycho2 2029-00232-1 Pflag RAmdeg 233.66936066 DEmdeg 26.91188623
PmRA -47.1 PmDE 31.6 E RAmdeg 8 E DEmdeg 9
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.87 EpDEm 1990.51
Num 8 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.6 BTmag 9.613 E BTmag 0.020 VTmag 8.904
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 233.66948583 DEdeg 26.91181139 EpRA 1990 1.47
EpDE 1990 1.48 E RAdeg 8.4 E DEdeg 8.6 Posflg
Corr -0.1
CCDM
Ccdm 15347+2655 RComp Comp A Note1
Note2 Discov num DRAs -1.33 DDEs -17.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp G0 PmNote *
PmRA -43 PmDE 36 Dm number +27 2513 Cat1 BD
Name2 +27 1450 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 15305N2715A
HIC
 
 
15347+2655 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153440.63+265442.6 Mag 9.8 Spectral class G2 (yellow)
Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 15347+2655 RComp Comp B Note1
Note2 Discov num COU 798 DRAs DDEs
R dRAs Year 1972 Theta 31 Rho 0.2
Obs 1 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15305N2715B
HIC