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Doubles in session


Current system
05175+2008
STF 674
CD Tau


Nearby doubles
22' : 05160+2008
HAU 13

25' : 05192+2008
STF 680

34' : 05152+1953
J 1044

35' : 05157+1944
STF 665

46' : 05143+2016
HAU 12

46' : 05187+2050
COU 159

48' : 05205+1947
KPP2279

48' : 05143+1953
KIR 1AB

51' : 05143+2031
LDS3645

52' : 05209+1949
OCC 912

66' : 05222+2008
J 144

66' : 05222+2009
TOB 30

68' : 05166+2114
AZC 42

72' : 05201+2109
OCC 377

80' : 05196+1854
GWP 673

83' : 05230+2034
COU 160

84' : 05190+1847
COU 39

92' : 05171+1837
COU 38

93' : 05158+1838
OCC 486

95' : 05217+1854
KU 87AB

95' : 05243+2008
HU 447

97' : 05212+1847
TDS3156

99' : 05156+2143
OCC 848

100' : 05114+2057
NSN 24

103' : 05247+2009
J 145

103' : 05167+1826
STF 670AB



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.

05175+2008 STF 674 (CD Tau)

 
 
05h 17m 31.15s +20° 07' 54.6" P.A. 149.00 sep 10.1 mag 6.82,9.68 Sp F7V+F5IV dist. 81.1 pc (264.55 l.y.)
 
 
Coord 2000 05175+2008 Discov num STF 674 Comp Coord arcsec 2000 05 17 31.15 +20 07 54.6
Date first 1828 Date last 2019 Obs 40
Pa first 147 Pa last 148.5 P.A. Now (θ) 148.5°
Sep first 10.6 Sep last 10.051 Sep. Now (ρ) 10.051"
Mag pri 6.82 Mag sec 9.68 delta mag (ΔM) 2.86 Spectral class F7V+F5IV (yellow-white/yellow-white)
Pri motion ra -014 Sec motion ra -014
Pri motion dec -094 Sec motion dec -094
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name CD Tau Constellation Taurus SAO 77084 HIP 24663
Tycho2 1291-00292-1 Gaia DR2 3413776384959602816 HD 34335 GC 6463
BD BD+19 886 Distance 81.1 Distance ly 264.55
 
 
WDS 05175+2008 STF 674 (CD Tau) : NOTES
 
 
discov_num notes refcode
STF 674 A is the Algol-type binary CD Tau, eclipsing SB2, P = 3.44d.
AB has estimated period of 11000y. B has spectral type dK2. Tok2006
 
 
REFERENCES
 
 
refcode metd author reference
Tok2006 A j Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S. 2006A&A...450..681T
Tok2006 +E2 A&A 450, 681, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05175+2008 STF 674 2007 30 148 10.1 6.82 9.68 F7V+F5IV N D 051731.15+200754.6
05175+2008 STF 674 2009 31 149 9.9 6.82 9.68 F7V+F5IV N D 051731.15+200754.6
05175+2008 STF 674 2013 33 149 10.1 6.82 9.68 F7V F5IV N D 051731.15+200754.6
05175+2008 STF 674 2015 35 149 9.9 6.82 9.68 F7V+F5IV N 051731.15+200754.6
05175+2008 STF 674 2018 36 150 10.0 6.82 9.68 F7V+F5IV N 051731.15+200754.6
05175+2008 STF 674 2019 38 149 10.1 6.82 9.68 F7V+F5IV N 051731.15+200754.6

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

 
 
WDS 05175+2008 STF 674 (CD Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05175+2008 STF 674 (CD Tau) : MEASURES
 
 
No records found.

 
 
WDS 05175+2008 (CD Tau) : VIRTUAL EYEPIECE
 
 

05175+2008 STF 674A mag 6.82 Sp F7V 05175+2008 STF 674B sep 9.9 P.A. 150.10 mag 9.68 Sp F5IV 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 05175+2008 (CD Tau) : ALADIN DSS IMAGE @ 05h 17m 31.15s +20° 07' 54.6"
 
 
 
 
WDS 05175+2008 STF 674 (CD Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05175+2008 STF 674 distance=1' 05160+2008 HAU 13 distance=22' 05192+2008 STF 680 distance=25' 05152+1953 J 1044 distance=34' 05157+1944 STF 665 distance=35' 05143+2016 HAU 12 distance=46' 05187+2050 COU 159 distance=46' 05205+1947 KPP2279 distance=48' 05143+1953 KIR 1AB distance=48' 05143+2031 LDS3645 distance=51' 05209+1949 OCC 912 distance=52' 05222+2008 J 144 distance=66' 05222+2009 TOB 30 distance=66' 05166+2114 AZC 42 distance=68' 05201+2109 OCC 377 distance=72' 05196+1854 GWP 673 distance=80' 05230+2034 COU 160 distance=83' 05190+1847 COU 39 distance=84' 05171+1837 COU 38 distance=92' 05158+1838 OCC 486 distance=93' 05217+1854 HDS 705Aa,Ab distance=95' 05217+1854 KU 87AB distance=95' 05243+2008 HU 447 distance=95' 05212+1847 TDS3156 distance=97' 05156+2143 OCC 848 distance=99' 05114+2057 NSN 24 distance=100' 05247+2009 J 145 distance=103' 05167+1826 STF 670AB distance=103' 05167+1826 COU2580Ba,Bb distance=103' 05192+1826 SKF 852 distance=105' 05167+1823 A 2430AB distance=106' 05167+1823 GII 142Aa,Ab distance=106' 05249+2015 LDS3657 distance=106' 05244+1922 RAO 640AB distance=108' 05244+1922 RAO 640AC distance=108' 05134+1832 J 1043 distance=113' 05231+1845 COU 40 distance=115' 05242+1900 A 2431 distance=116' 05131+1830 COU 369 distance=117' 05134+1824 TDS3115 distance=119' 05099+2059 COU 157 distance=120' 05250+1912 UC 77 distance=120' 05093+1934 LDS6168 distance=122' 05088+1952 OCC 636 distance=124' 05263+1958 SKF2194 distance=125' 05089+2039 KPP 25 distance=125' 05124+1824 KPP3599 distance=127' 05144+2209 BRT2324 distance=129' 05116+1829 LDS3643 distance=129' 05185+1800 J 1818 distance=130' 05236+1830 DAM1029 distance=131' 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 05175+2008 STF 674 149 10.1 1
Show 05160+2008 HAU 13 125 35.9 22
Show 05192+2008 STF 680 203 9.1 25
Show 05152+1953 J 1044 234 2.7 34
Show 05157+1944 STF 665 254 1.6 35
Show 05143+2016 HAU 12 257 45.7 46
Show 05187+2050 COU 159 242 3.5 46
Show 05205+1947 KPP2279 230 19.2 48
Show 05143+1953 KIR 1 AB 19 9.4 48
Show 05143+2031 LDS3645 39 1.5 51
Show 05209+1949 OCC 912 -1 0.0 52
Show 05222+2008 J 144 168 5.6 66
Show 05222+2009 TOB 30 186 12.8 66
Show 05166+2114 AZC 42 88 37.5 68
Show 05201+2109 OCC 377 -1 0.1 72
Show 05196+1854 GWP 673 115 9.3 80
Show 05230+2034 COU 160 328 1.7 83
Show 05190+1847 COU 39 308 5.9 84
Show 05171+1837 COU 38 234 2.0 92
Show 05158+1838 OCC 486 -1 0.0 93
Show 05217+1854 HDS 705 Aa,Ab 28 0.2 95
Show 05217+1854 KU 87 AB 104 35.9 95
Show 05243+2008 HU 447 209 4.9 95
Show 05212+1847 TDS3156 116 0.5 97
Show 05156+2143 OCC 848 -1 0.1 99
Show 05114+2057 NSN 24 168 4.5 100
Show 05247+2009 J 145 350 2.8 103
Show 05167+1826 STF 670 AB 165 2.6 103
Show 05167+1826 COU2580 Ba,Bb 163 0.7 103
Show 05192+1826 SKF 852 246 31.2 105
Show 05167+1823 A 2430 AB 135 1.2 106
Show 05167+1823 GII 142 Aa,Ab 84 0.1 106
Show 05249+2015 LDS3657 113 11.1 106
Show 05244+1922 RAO 640 AB 201 0.4 108
Show 05244+1922 RAO 640 AC 99 1.9 108
Show 05134+1832 J 1043 330 2.6 113
Show 05231+1845 COU 40 335 6.2 115
Show 05242+1900 A 2431 83 3.3 116
Show 05131+1830 COU 369 86 0.2 117
Show 05134+1824 TDS3115 82 1.2 119
Show 05099+2059 COU 157 258 0.4 120
Show 05250+1912 UC 77 175 18.4 120
Show 05093+1934 LDS6168 353 71.3 122
Show 05088+1952 OCC 636 -1 0.1 124
Show 05263+1958 SKF2194 118 10.0 125
Show 05089+2039 KPP 25 315 5.3 125
Show 05124+1824 KPP3599 100 1.4 127
Show 05144+2209 BRT2324 334 4.9 129
Show 05116+1829 LDS3643 18 4.5 129
Show 05185+1800 J 1818 356 6.2 130
Show 05236+1830 DAM1029 107 3.1 131

 
 
WDS 05175+2008 : COMPONENTS
 
 
  A
B pa=150.1°
sep=9.89"
 
 
05175+2008 A
 
 
Componente originario normalizzato AB Var name CD Tau Coord arcsec 2000 051731.15+200754.6 Mag 6.82
Spectral class F7V (yellow-white) PmRA -14.00 PmDE -94.0 SAO 77084
HIP 24663 Tycho2 1291-00292-1 HD 34335 GC 6463
BD BD+19 886
Tycho2
Tycho2 1291-00292-1 Pflag RAmdeg 79.37979730 DEmdeg 20.13184263
PmRA -15.8 PmDE -94.0 E RAmdeg 4 E DEmdeg 5
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.30 EpDEm 1990.74
Num 19 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.4 BTmag 7.342 E BTmag 0.015 VTmag 6.819
E VTmag 0.010 Prox 100 TYC T HIP 24663
CCDM A RAdeg 79.37983639 DEdeg 20.13207056 EpRA 1990 1.66
EpDE 1990 1.27 E RAdeg 4.0 E DEdeg 4.8 Posflg
Corr -0.1
SAO
SAO 77084 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.104 Vmag 6.8 SpType F5
Double code Source 70 CatNum 6463 DM BD+19 886
DMcomp BDsup HD 34335 M HD 0
GC 6463 RA1950rad 1.37251921 DE1950rad 0.35046118 PmRA2000 -0.0007
PmDE2000 -0.104
Hipparcos
Catalog H HIP 24663 Proxy H RAhms 05 17 31.16
DEdms +20 07 55.5 Vmag 6.69 VarFlag 2 R Vmag H
RAdeg 79.3798 DEdeg 20.1321 AstroRef A Plx 13.66
CCDM 05175+2008 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 149 Rho 9.981 HD 34335 BD BD+19 886
CD CP Dm number +19 886 VIred 0.57
SpType F7V R SpType Coord arcsec 2000 051731.16+200755.5
Hipparcos 2
HIP 24663 Sn 15 So 3 Nc 2
RArad 1.3854395615 DErad 0.3513709225 Plx 12.33 PmRA -13.33
PmDE -94.61 E RArad 0.83 E DErad 0.6 E Plx 1.05
E pmRA 1.33 E pmDE 0.7 Hpmag 6.808 E Hpmag 0.0015
SHp 0.02 VA 1 BV 0.523 E BV 0.009
VI 0.6
CCDM
Ccdm 05175+2008 RComp Comp A Note1
Note2 Discov num DRAs 1.19 DDEs -6.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp F5 PmNote *
PmRA -9 PmDE -121 Dm number +19 886 Cat1 BD
Name2 +20 488 Cat2 AGK2/3 HD 34335 M HD
ADS BDS A 3866 M ADS BDS N IDS IDS 05115N2001A
HIC 24663
 
 
05175+2008 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 051731.50+200746.0 Mag 9.68 Spectral class F5IV (yellow-white)
PmRA -14.00 PmDE -94.0 Calc delta mag 2.86 Calc coord yes
CCDM
Ccdm 05175+2008 RComp Comp B Note1
Note2 Discov num STF 674 DRAs 1.57 DDEs -15.4
R dRAs 90 Year 1828 Theta 148 Rho 10.2
Obs 10 Vmag 9.9 Sp PmNote
PmRA -9 PmDE -121 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3866 M ADS BDS N IDS IDS 05115N2001B
HIC