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Doubles in session


Current system
13155+4051
CHR 180
19 CVn


Nearby doubles
8' : 13149+4055
COU1911

38' : 13128+4030
A 1606

46' : 13165+4007
RAO 289

51' : 13200+4051
WAA 39

53' : 13187+4129
TDS8774

54' : 13115+4024
BVD 228

57' : 13122+4009
CVR1492

60' : 13207+4041
TDS8795

65' : 13170+3949
OSO 52

67' : 13185+3954
ES 1544

69' : 13149+3944
HJ 528

71' : 13190+3953
ES 1545

72' : 13164+4202
HJ 1230

82' : 13092+4013
SLW 827

86' : 13230+4058
COU1582

87' : 13230+4112
PTF 2

90' : 13232+4029
POP 119

95' : 13213+3945
ES 1546

96' : 13221+3952
HDS1876

104' : 13068+4022
A 2062

104' : 13245+4112
NI 31

106' : 13090+4206
TDS8705

106' : 13073+4142
LDS4318

106' : 13062+4055
HJ 2639AB

108' : 13104+3921
KZA 43

108' : 13184+3909
LDS4342



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.

13155+4051 CHR 180 (19 CVn)

 
 
13h 15m 32.05s +40° 51' 18.6" P.A. 58.00 sep 0.6 mag 5.87,9.48 Sp A7V dist. 74.07 pc (241.62 l.y.)
 
 
Coord 2000 13155+4051 Discov num CHR 180 Comp Coord arcsec 2000 13 15 32.05 +40 51 18.6
Date first 1988 Date last 2012 Obs 15
Pa first 2 Pa last 57.7 P.A. Now (θ) 57.7°
Sep first 0.3 Sep last 0.618 Sep. Now (ρ) 0.618"
Mag pri 5.87 Mag sec 9.48 delta mag (ΔM) 3.61 Spectral class A7V (white)
Pri motion ra -111 Sec motion ra
Pri motion dec +011 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 19 CVn Constellation Canes Venatici SAO 44531 HIP 64692
Tycho2 3022-02305-1 Gaia DR2 1524888216726645248 HD 115271 HR 5004
GC 17953 BD BD+41 2374 Flamsteed 19 Canum Venaticorum Flamsteed name 19 CVn
Distance 74.07 Distance ly 241.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)219.2y Periastron (T)2201.7y Semi-major axis (a)0.745a
Eccentricity (e)0.686 Inclination (i)44.5° Longitude of periastron (ω)273.3°
Node (Ω)22.2° Notes ReferenceCve2015b
Equinox2000 Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 39.9 0.500
2001 41.8 0.513
2002 43.5 0.526
2003 45.2 0.538
2004 46.8 0.550
2005 48.3 0.562
2006 49.8 0.572
2007 51.2 0.583
2008 52.6 0.593
2009 53.9 0.603
2010 55.2 0.612
2011 56.4 0.621
2012 57.6 0.630
2013 58.8 0.638
2014 60.0 0.646
2015 61.1 0.654
2016 62.2 0.662
2017 63.2 0.669
2018 64.3 0.676
2019 65.3 0.683
2020 66.3 0.690
2021 67.3 0.697
2022 68.3 0.703
2023 69.2 0.709
2024 70.1 0.715
2025 71.1 0.721
2026 72.0 0.727
2027 72.9 0.732
2028 73.7 0.738
2029 74.6 0.743
2030 75.4 0.748


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


 
  


wds13155%2B4051a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 13155+4051 CHR 180 (19 CVn) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cve2015b orb - Cvetkovic, Z. 2015IAUDS.187....1C
Cve2015b +lin Inf. Circ. 187, 1, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13155+4051 CHR 180 1997 4 33 0.5 5.87 9.48 A7V D 131532.05+405118.6
13155+4051 CHR 180 2007 6 52 0.6 5.87 9.48 A7V D 131532.05+405118.6
13155+4051 CHR 180 2010 7 55 0.6 5.87 9.48 A7V D 131532.05+405118.6
13155+4051 CHR 180 2012 13 58 0.6 5.87 9.48 A7V O 131532.05+405118.6

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

 
 
WDS 13155+4051 CHR 180 (19 CVn) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13155+4051 CHR 180 (19 CVn) : MEASURES
 
 
No records found.

 
 
WDS 13155+4051 (19 CVn) : VIRTUAL EYEPIECE
 
 

13155+4051 CHR 180A mag 5.87 Sp A7V 13155+4051 CHR 180B sep 0.5 P.A. 50.10 mag 9.48 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 13155+4051 (19 CVn) : ALADIN DSS IMAGE @ 13h 15m 32.05s +40° 51' 18.6"
 
 
 
 
WDS 13155+4051 CHR 180 (19 CVn) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13155+4051 CHR 180 distance=0' 13149+4055 COU1911 distance=8' 13128+4030 A 1606 distance=38' 13165+4007 RAO 289 distance=46' 13200+4051 WAA 39 distance=51' 13187+4129 TDS8774 distance=53' 13115+4024 BVD 228 distance=54' 13122+4009 CVR1492 distance=57' 13207+4041 TDS8795 distance=60' 13170+3949 OSO 52 distance=65' 13185+3954 ES 1544 distance=67' 13149+3944 HJ 528 distance=69' 13190+3953 ES 1545 distance=71' 13164+4202 HJ 1230 distance=72' 13092+4013 SLW 827 distance=82' 13230+4058 COU1582 distance=86' 13230+4112 PTF 2 distance=87' 13232+4029 POP 119 distance=90' 13213+3945 ES 1546 distance=95' 13221+3952 HDS1876 distance=96' 13068+4022 A 2062 distance=104' 13245+4112 NI 31 distance=104' 13090+4206 TDS8705 distance=106' 13062+4055 HJ 2639BC distance=106' 13073+4142 LDS4318 distance=106' 13062+4055 HJ 2639AB distance=106' 13062+4055 HJ 2639AC distance=106' 13104+3921 KZA 43 distance=108' 13184+3909 LDS4342 distance=108' 13124+3908 KZA 46 distance=110' 13116+3911 KZA 45 distance=111' 13253+4028 HJ 1231AB distance=114' 13253+4028 HJ 1231AC distance=114' 13253+4028 BKO 49AD distance=114' 13060+4016 SLW 823 distance=114' 13096+3918 SLW 830 distance=116' 13071+4200 TDS8696 distance=118' 13158+4251 BVD 230 distance=120' 13055+4141 ES 125 distance=124' 13260+4015 TDS8824 distance=126' 13238+4225 LDS4354 distance=132' 13039+4038 TDS8672 distance=133' 13038+4056 HJ 1226 distance=134' 13094+3857 SLW 828 distance=135' 13164+4306 UC 2509 distance=135' 13091+3858 KZA 42AB distance=136' 13091+3858 KZA 42AC distance=136' 13225+4242 COU1581 distance=136' 13138+4306 ES 1249 distance=137' 13114+3838 KPP3264 distance=142' 13198+3836 TDS8788AB distance=145' 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 13155+4051 CHR 180 58 0.6
Show 13149+4055 COU1911 88 0.5 8
Show 13128+4030 A 1606 17 1.3 38
Show 13165+4007 RAO 289 246 0.6 46
Show 13200+4051 WAA 39 94 1.6 51
Show 13187+4129 TDS8774 28 0.8 53
Show 13115+4024 BVD 228 191 38.6 54
Show 13122+4009 CVR1492 91 3.6 57
Show 13207+4041 TDS8795 358 0.5 60
Show 13170+3949 OSO 52 131 17.3 65
Show 13185+3954 ES 1544 271 7.2 67
Show 13149+3944 HJ 528 181 19.3 69
Show 13190+3953 ES 1545 89 6.1 71
Show 13164+4202 HJ 1230 170 16.4 72
Show 13092+4013 SLW 827 122 13.1 82
Show 13230+4058 COU1582 83 0.6 86
Show 13230+4112 PTF 2 281 3.4 87
Show 13232+4029 POP 119 5 0.8 90
Show 13213+3945 ES 1546 222 3.0 95
Show 13221+3952 HDS1876 90 0.3 96
Show 13068+4022 A 2062 301 0.7 104
Show 13245+4112 NI 31 149 15.1 104
Show 13090+4206 TDS8705 262 1.3 106
Show 13062+4055 HJ 2639 BC 102 22.9 106
Show 13073+4142 LDS4318 263 3.9 106
Show 13062+4055 HJ 2639 AB 158 36.0 106
Show 13062+4055 HJ 2639 AC 137 52.3 106
Show 13104+3921 KZA 43 87 45.3 108
Show 13184+3909 LDS4342 132 1.9 108
Show 13124+3908 KZA 46 326 48.8 110
Show 13116+3911 KZA 45 298 53.8 111
Show 13253+4028 HJ 1231 AB 14 24.0 114
Show 13253+4028 HJ 1231 AC 233 90.4 114
Show 13253+4028 BKO 49 AD 202 39.2 114
Show 13060+4016 SLW 823 193 12.5 114
Show 13096+3918 SLW 830 32 131.1 116
Show 13071+4200 TDS8696 324 0.6 118
Show 13158+4251 BVD 230 337 23.5 120
Show 13055+4141 ES 125 119 2.4 124
Show 13260+4015 TDS8824 212 0.7 126
Show 13238+4225 LDS4354 32 10.6 132
Show 13039+4038 TDS8672 154 0.4 133
Show 13038+4056 HJ 1226 191 12.1 134
Show 13094+3857 SLW 828 102 81.0 135
Show 13164+4306 UC 2509 134 49.3 135
Show 13091+3858 KZA 42 AB 17 35.2 136
Show 13091+3858 KZA 42 AC 250 56.8 136
Show 13225+4242 COU1581 158 0.4 136
Show 13138+4306 ES 1249 211 2.2 137
Show 13114+3838 KPP3264 204 33.2 142
Show 13198+3836 TDS8788 AB 66 0.4 145

 
 
WDS 13155+4051 : COMPONENTS
 
 
  A
B pa=50.1°
sep=0.51"
 
 
13155+4051 A
 
 
Componente originario normalizzato AB Name 19 CVn Coord arcsec 2000 131532.05+405118.6 Mag 5.87
Spectral class A7V (white) PmRA -111.00 PmDE 11.0 SAO 44531
HIP 64692 Tycho2 3022-02305-1 HD 115271 HR 5004
GC 17953 BD BD+41 2374 Flamsteed 19 Canum Venaticorum Flamsteed name 19 CVn
Tycho2
Tycho2 3022-02305-1 Pflag RAmdeg 198.88317337 DEmdeg 40.85521628
PmRA -107.7 PmDE 17.5 E RAmdeg 3 E DEmdeg 3
E pmRA 0.7 E pmDE 0.8 EpRAm 1991.28 EpDEm 1991.42
Num 15 Q RAmdeg 1.7 Q DEmdeg 1.3 Q pmRA 1.7
Q pmDE 1.1 BTmag 6.008 E BTmag 0.014 VTmag 5.802
E VTmag 0.009 Prox 999 TYC T HIP 64692
CCDM AB RAdeg 198.88350917 DEdeg 40.85517556 EpRA 1990 1.51
EpDE 1990 1.63 E RAdeg 3.3 E DEdeg 3.2 Posflg P
Corr -0.1
SAO
SAO 44531 DelFlag RA1950 PmRA1950 -0.0098
DE1950 PmDE1950 0.011 Vmag 5.7 SpType A5
Double code Source 70 CatNum 17953 DM BD+41 2374
DMcomp BDsup HD 115271 M HD 0
GC 17953 RA1950rad 3.4613646 DE1950rad 0.71765703 PmRA2000 -0.0095
PmDE2000 0.015
Hipparcos
Catalog H HIP 64692 Proxy H RAhms 13 15 32.05
DEdms +40 51 18.6 Vmag 5.77 VarFlag R Vmag H
RAdeg 198.884 DEdeg 40.8552 AstroRef A Plx 13.32
CCDM 13155+4051 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 21 Rho 0.371 HD 115271 BD BD+41 2374
CD CP Dm number +41 2374 VIred 0.2
SpType A7V R SpType Coord arcsec 2000 131532.05+405118.6
Hipparcos 2
HIP 64692 Sn 15 So 3 Nc 2
RArad 3.471172269 DErad 0.7130572713 Plx 13.5 PmRA -119.47
PmDE 11.53 E RArad 0.2 E DErad 0.25 E Plx 0.44
E pmRA 0.23 E pmDE 0.29 Hpmag 5.8342 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.198 E BV 0.004
VI 0.22
CCDM
Ccdm 13155+4051 RComp Comp A Note1
Note2 Discov num DRAs 1.89 DDEs 17.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.8 Sp A7 PmNote *
PmRA -112 PmDE 8 Dm number +41 2374 Cat1 BD
Name2 +41 1175 Cat2 AGK2/3 HD 115271 M HD
ADS BDS M ADS BDS N IDS W IDS 13155+4051A
HIC 64692
 
 
13155+4051 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 131532.08+405118.9 Mag 9.48 Calc delta mag 3.61
Calc coord yes
CCDM
Ccdm 13155+4051 RComp Comp B Note1
Note2 Discov num CHR 180 DRAs DDEs
R dRAs Year 1988 Theta 2 Rho 0.3
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS W IDS 13155+4051B
HIC 64692