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Doubles in session


Current system
04139+0916
BU 547 AB
47 Tau


Nearby doubles
21' : 04145+0857
LDS3565

24' : 04135+0853
BU 1278AB

34' : 04123+0939
STT 74

51' : 04159+0957
LDS5526

52' : 04170+0941
UC 1145

61' : 04111+0832
YSC 28

66' : 04100+0944
LDS1155

78' : 04102+1010
LDS5513

79' : 04139+1033
LDS5522

82' : 04085+0909
SKF2785

94' : 04136+0743
A 1938

94' : 04085+0827
STF 497

94' : 04077+0930
UC 65AB

97' : 04077+0945
RAO 542

107' : 04210+0935
LDS5542

108' : 04067+0910
GWP 551

115' : 04091+1046
HU 301

122' : 04208+1026
LDS5541

124' : 04080+1043
LDS1153

128' : 04105+0719
GWP 560

130' : 04192+1100
BPM 98

131' : 04163+1121
GWP 574

131' : 04163+0710
WSI 97

132' : 04166+1121
SHN 85

135' : 04230+0924
YSC 31AB

135' : 04143+1130
TVB 66



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.

04139+0916 BU 547 AB (47 Tau)

 
 
04h 13m 56.39s +09° 15' 50.0" P.A. 339.00 sep 1.3 mag 5.05,7.32 Sp G5IV+A8V dist. 101.73 pc (331.84 l.y.)
 
 
Coord 2000 04139+0916 Discov num BU  547 Comp AB Coord arcsec 2000 04 13 56.39 +09 15 50.0
Date first 1877 Date last 2016 Obs 60
Pa first 359 Pa last 338.9 P.A. Now (θ) 338.9°
Sep first 0.9 Sep last 1.264 Sep. Now (ρ) 1.264"
Mag pri 5.05 Mag sec 7.32 delta mag (ΔM) 2.27 Spectral class G5IV+A8V (yellow/white)
Pri motion ra -011 Sec motion ra -011
Pri motion dec -037 Sec motion dec -037
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04139+0916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 47 Tau 111674 04 13 56 +09 15 50 BU 547 AB 2016 60 339 1.3 5.05 7.32 2.27 Y <===
Show 111674 04 13 56 +09 15 50 BU 547 AC 2015 9 228 28.2 5.05 13.20 8.15
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 47 Tau Constellation Taurus SAO 111674 HIP 19740
Tycho2 0667-00840-1 Gaia DR2 3300128870247575424 HD 26722 HR 1311
GC 5100 ADS 3072 BD BD+08 652 Flamsteed 47 Tauri
Flamsteed name 47 Tau Distance 101.73 Distance ly 331.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)479y Periastron (T)1816.6y Semi-major axis (a)1.053a
Eccentricity (e)0.91 Inclination (i)128.6° Longitude of periastron (ω)263°
Node (Ω)52.9° Notesn ReferenceZir2015a
Equinox2000 Last observation2009 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 341.6 1.250
2001 341.4 1.251
2002 341.3 1.252
2003 341.2 1.253
2004 341.0 1.254
2005 340.9 1.255
2006 340.8 1.256
2007 340.6 1.257
2008 340.5 1.257
2009 340.3 1.258
2010 340.2 1.259
2011 340.1 1.260
2012 339.9 1.261
2013 339.8 1.261
2014 339.7 1.262
2015 339.5 1.263
2016 339.4 1.263
2017 339.3 1.264
2018 339.1 1.265
2019 339.0 1.265
2020 338.9 1.266
2021 338.7 1.266
2022 338.6 1.267
2023 338.5 1.267
2024 338.3 1.268
2025 338.2 1.268
2026 338.1 1.269
2027 337.9 1.269
2028 337.8 1.269
2029 337.6 1.270
2030 337.5 1.270


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


 
  


wds04139%2B0916a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04139+0916 BU 547 AB (47 Tau) : NOTES
 
 
discov_num notes refcode
BU 547 47 Tau.
Spectral types of primary and secondary assigned by ten Brummelaar et
al., based on adaptive optics observations. TtB2000
 
 
REFERENCES
 
 
refcode metd author reference
TtB2000 Ac j ten Brummelaar, T.A., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., 2000AJ....119.2403T
TtB2000 Turner, N.H., Hartkopf, W.I., & Bagnuolo, W.G., Jr.
TtB2000 AJ 119, 2403, 2000 (magnitude differences from Mt. Wilson AO)
Zir2015a orb - Zirm, H. 2015IAUDS.185....1Z
Zir2015a Inf. Circ. 185, 1, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04139+0916 BU 547 AB 2005 57 342 1.3 5.05 7.32 G5IV+A8V N D 041356.39+091550.0
04139+0916 BU 547 AB 2009 59 341 1.2 5.05 7.32 G5IV+A8V N D 041356.39+091550.0
04139+0916 BU 547 AB 2016 60 339 1.3 5.05 7.32 G5IV+A8V NO 041356.39+091550.0

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

 
 
WDS 04139+0916 BU 547 AB (47 Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04139+0916 BU 547 AB (47 Tau) : MEASURES
 
 
No records found.

 
 
WDS 04139+0916 (47 Tau) : VIRTUAL EYEPIECE
 
 

04139+0916 BU 547A mag 5.05 Sp G5IV 04139+0916 BU 547B sep 1.3 P.A. 339.20 mag 7.32 Sp A8V 04139+0916 BU 547C sep 28.0 P.A. 227.90 mag 13.2 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 04139+0916 (47 Tau) : ALADIN DSS IMAGE @ 04h 13m 56.39s +09° 15' 50.0"
 
 
 
 
WDS 04139+0916 BU 547 AB (47 Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04139+0916 BU 547AB distance=0' 04145+0857 LDS3565 distance=21' 04135+0853 BU 1278AB distance=24' 04135+0853 BU 1278AC distance=24' 04123+0939 STT 74 distance=34' 04159+0957 LDS5526 distance=51' 04170+0941 UC 1145 distance=52' 04111+0832 YSC 28 distance=61' 04100+0944 LDS1155 distance=66' 04102+1010 LDS5513 distance=78' 04139+1033 LDS5522 distance=79' 04085+0909 SKF2785 distance=82' 04136+0743 A 1938 distance=94' 04085+0827 STF 497 distance=94' 04077+0930 UC 65AB distance=94' 04077+0930 UC 65AC distance=94' 04077+0945 RAO 542 distance=97' 04210+0935 LDS5542 distance=107' 04067+0910 GWP 551 distance=108' 04091+1046 HU 301 distance=115' 04208+1026 LDS5541 distance=122' 04080+1043 LDS1153 distance=124' 04105+0719 GWP 560 distance=128' 04192+1100 BPM 98 distance=130' 04163+1121 GWP 574 distance=131' 04163+0710 WSI 97 distance=131' 04166+1121 SHN 85 distance=132' 04230+0924 YSC 31AB distance=135' 04230+0924 GII 128Aa,Ab distance=135' 04143+1130 TVB 66 distance=135' 04217+1046 TOK 84 distance=146' 04235+0954 ITO 24AB distance=147' 04235+0954 ITO 24AC distance=147' 04235+0954 ITO 24AD distance=147' 04239+0928 HU 304 distance=148' 04194+0710 FAL 8 distance=150' 04088+1126 LDS5188 distance=150' 04057+0743 HDS 518 distance=154' 04059+1058 STF 491 distance=158' 04220+0734 SKF1688 distance=158' 04063+1108 SKF1880 distance=159' 04035+0837 STZ 6 distance=160' 04032+0853 HDS 513 distance=162' 04126+1157 LDS1157 distance=164' 04250+0856 HEI 641 distance=166' 04200+0657 LDS3575 distance=166' 04141+0630 HEI 640 distance=167' 04097+1154 BPM 94 distance=170' 04160+1208 HEI 319 distance=175' 04037+1041 LDS5483 distance=175' 04224+1118 PAT 5 distance=176' 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 04139+0916 BU 547 AB 339 1.3
Show 04139+0916 BU 547 AC 228 28.2
Show 04145+0857 LDS3565 127 24.5 21
Show 04135+0853 BU 1278 AB 303 8.0 24
Show 04135+0853 BU 1278 AC 258 53.2 24
Show 04123+0939 STT 74 111 0.5 34
Show 04159+0957 LDS5526 200 9.0 51
Show 04170+0941 UC 1145 59 15.1 52
Show 04111+0832 YSC 28 229 0.9 61
Show 04100+0944 LDS1155 234 4.2 66
Show 04102+1010 LDS5513 248 7.1 78
Show 04139+1033 LDS5522 243 6.2 79
Show 04085+0909 SKF2785 358 7.5 82
Show 04136+0743 A 1938 224 0.1 94
Show 04085+0827 STF 497 219 11.1 94
Show 04077+0930 UC 65 AB 223 26.3 94
Show 04077+0930 UC 65 AC 101 2.0 94
Show 04077+0945 RAO 542 279 0.8 97
Show 04210+0935 LDS5542 343 29.9 107
Show 04067+0910 GWP 551 315 16.5 108
Show 04091+1046 HU 301 276 0.5 115
Show 04208+1026 LDS5541 342 9.1 122
Show 04080+1043 LDS1153 343 2.8 124
Show 04105+0719 GWP 560 226 102.5 128
Show 04192+1100 BPM 98 216 109.3 130
Show 04163+1121 GWP 574 281 12.2 131
Show 04163+0710 WSI 97 144 0.2 131
Show 04166+1121 SHN 85 -1 0.2 132
Show 04230+0924 YSC 31 AB 108 0.5 135
Show 04230+0924 GII 128 Aa,Ab 129 0.1 135
Show 04143+1130 TVB 66 232 6.8 135
Show 04217+1046 TOK 84 15 17.7 146
Show 04235+0954 ITO 24 AB 356 1.6 147
Show 04235+0954 ITO 24 AC 307 6.7 147
Show 04235+0954 ITO 24 AD 257 10.6 147
Show 04239+0928 HU 304 35 0.3 148
Show 04194+0710 FAL 8 23 7.2 150
Show 04088+1126 LDS5188 127 2.3 150
Show 04057+0743 HDS 518 5 0.2 154
Show 04059+1058 STF 491 97 3.0 158
Show 04220+0734 SKF1688 289 1.2 158
Show 04063+1108 SKF1880 310 81.7 159
Show 04035+0837 STZ 6 245 3.5 160
Show 04032+0853 HDS 513 329 0.1 162
Show 04126+1157 LDS1157 317 8.2 164
Show 04250+0856 HEI 641 275 2.8 166
Show 04200+0657 LDS3575 204 16.4 166
Show 04141+0630 HEI 640 238 2.7 167
Show 04097+1154 BPM 94 177 96.0 170
Show 04160+1208 HEI 319 135 1.1 175
Show 04037+1041 LDS5483 358 52.6 175

 
 
WDS 04139+0916 : COMPONENTS
 
 
  A B
B pa=339.2°
sep=1.26"
 
C pa=227.9°
sep=28.02"
pa=225.6°
sep=28.50"
 
 
04139+0916 A
 
 
Name 47 Tau Coord arcsec 2000 041356.39+091550.0 Mag 5.05 Spectral class G5IV (yellow)
PmRA -11.00 PmDE -37.0 SAO 111674 HIP 19740
Tycho2 0667-00840-1 HD 26722 HR 1311 GC 5100
ADS 3072 BD BD+08 652 Flamsteed 47 Tauri Flamsteed name 47 Tau
Tycho2
Tycho2 0667-00840-1 Pflag P RAmdeg 63.48492054 DEmdeg 9.26385629
PmRA -11.0 PmDE -37.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.66 EpDEm 1991.42
Num 6 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.6
Q pmDE 1.4 BTmag 6.070 E BTmag 0.015 VTmag 5.048
E VTmag 0.009 Prox 13 TYC T HIP 19740
CCDM A RAdeg 63.48496139 DEdeg 9.26389722 EpRA 1990 1.74
EpDE 1990 1.50 E RAdeg 3.8 E DEdeg 4.3 Posflg D
Corr -0.3
SAO
SAO 111674 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.036 Vmag 5 SpType G5
Double code Source 70 CatNum 5100 DM BD+08 652
DMcomp BDsup HD 26722 M HD 0
GC 5100 RA1950rad 1.09614137 DE1950rad 0.15949666 PmRA2000 -0.0006
PmDE2000 -0.039
Hipparcos
Catalog H HIP 19740 Proxy H RAhms 04 13 56.39
DEdms +09 15 50.0 Vmag 4.84 VarFlag R Vmag G
RAdeg 63.485 DEdeg 9.2639 AstroRef A Plx 8.78
CCDM 04139+0916 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 343 Rho 1.242 HD 26722 BD BD+08 652
CD CP Dm number +08 652 VIred 0.86
SpType G5III R SpType Coord arcsec 2000 041356.39+091550.0
Hipparcos 2
HIP 19740 Sn 15 So 3 Nc 2
RArad 1.1080216145 DErad 0.1616855348 Plx 9.83 PmRA -10.31
PmDE -30.01 E RArad 0.52 E DErad 0.37 E Plx 0.64
E pmRA 0.65 E pmDE 0.56 Hpmag 4.9876 E Hpmag 0.0009
SHp 0.004 VA 0 BV 0.799 E BV 0.019
VI 0.86
CCDM
Ccdm 04139+0916 RComp Comp A Note1
Note2 Discov num DRAs 2.39 DDEs -10.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.1 Sp G5 PmNote *
PmRA -12 PmDE -36 Dm number +08 652 Cat1 BD
Name2 +09 386 Cat2 AGK2/3 HD 26722 M HD
ADS BDS A 3072 M ADS BDS N IDS IDS 04085N0901A
HIC 19740
 
 
04139+0916 B
 
 
Coord arcsec 2000 041356.36+091551.2 Mag 7.32 Spectral class A8V (white) PmRA -11.00
PmDE -37.0 Tycho2 0667-00840-2 Calc delta mag 2.27 Calc coord yes
Tycho2
Tycho2 0667-00840-2 Pflag P RAmdeg 63.48492054 DEmdeg 9.26385629
PmRA -11.0 PmDE -37.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.66 EpDEm 1991.42
Num 6 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.6
Q pmDE 1.4 BTmag 7.482 E BTmag 0.017 VTmag 7.322
E VTmag 0.013 Prox 13 TYC HIP 19740
CCDM B RAdeg 63.48485000 DEdeg 9.26424028 EpRA 1990 1.76
EpDE 1990 1.51 E RAdeg 6.0 E DEdeg 7.0 Posflg D
Corr -0.1
CCDM
Ccdm 04139+0916 RComp Comp B Note1
Note2 Discov num BU 547 DRAs DDEs
R dRAs Year 1958 Theta 351 Rho 1.1
Obs 23 Vmag 7.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3072 M ADS BDS N IDS IDS 04085N0901B
HIC 19740
 
 
04139+0916 C
 
 
Coord arcsec 2000 041354.99+091531.2 Mag 13.2 Calc delta mag 8.15 Calc coord yes
CCDM
Ccdm 04139+0916 RComp Comp C Note1
Note2 Discov num BU 547 DRAs DDEs
R dRAs Year 1959 Theta 226 Rho 29.8
Obs 6 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3072 M ADS BDS N IDS IDS 04085N0901C
HIC