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Current system
05098+2802
BU 1047 BC


Nearby doubles
23' : 05112+2814
MET 45

29' : 05101+2733
BGH 21

45' : 05082+2722
TVB 90

52' : 05111+2851
DAM1048

56' : 05111+2853
MLB 561

57' : 05074+2715
DOO 30

59' : 05074+2712
J 14

61' : 05173+2746
HJ 359

64' : 05053+2740
A 1845

67' : 05148+2804
DAM1049

71' : 05045+2813
MLB 640

72' : 05077+2908
HJ 357

77' : 05101+2645
HJL1042AB

78' : 05048+2842
HO 224AB

78' : 05156+2809
DAM1052

89' : 05085+2929
BRT 9

89' : 05164+2802
DAM1054

89' : 05163+2745
DAM1053

90' : 05165+2753
DAM1055

91' : 05029+2802
COU 759

92' : 05047+2906
HJ 690

98' : 05113+2937
TDS3102

98' : 05104+2940
MLB 687

102' : 05066+2630
HDS 666

102' : 05059+2931
RAO 199

105' : 05020+2817
A 480



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.

05098+2802 BU 1047 BC

 
 
05h 09m 45.44s +28° 02' 01.6" P.A. 90.00 sep 0.3 mag 9.11,9.71 Sp dG7 dist. 73.91 pc (241.09 l.y.)
 
 
Coord 2000 05098+2802 Discov num BU 1047 Comp BC Coord arcsec 2000 05 09 45.44 +28 02 01.6
Date first 1889 Date last 2014 Obs 45
Pa first 75 Pa last 89.7 P.A. Now (θ) 74.6°
Sep first 0.4 Sep last 0.297 Sep. Now (ρ) 0.354"
Mag pri 9.11 Mag sec 9.71 delta mag (ΔM) 0.6 Spectral class dG7
Pri motion ra +057 Sec motion ra
Pri motion dec -059 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
05098+2802 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 76990 05 09 45 +28 01 50 L 54 Aa,Ab 1908 1 351 0.2 6.04
Show V1156 Tau 76990 05 09 45 +28 01 50 STF 645 A,BC 2017 69 29 11.3 6.04 9.11 3.07
Show 05 09 45 +28 02 02 BU 1047 BC 2014 45 90 0.3 9.11 9.71 0.60 Y <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus HIP 24020 Tycho2 1853-01959-1 ADS 3730
Distance 73.91 Distance ly 241.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)34.38y Periastron (T)2001.21y Semi-major axis (a)0.282a
Eccentricity (e)0.944 Inclination (i)122.4° Longitude of periastron (ω)114.9°
Node (Ω)30.9° Notesn ReferenceDoc2020e
Equinox2000 Last observation2007 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 49.2 0.130
2001 26.1 0.041
2002 148.7 0.063
2003 125.9 0.101
2004 115.1 0.134
2005 108.3 0.163
2006 103.6 0.189
2007 99.9 0.212
2008 96.9 0.234
2009 94.5 0.253
2010 92.3 0.270
2011 90.4 0.285
2012 88.7 0.299
2013 87.1 0.311
2014 85.6 0.322
2015 84.2 0.332
2016 82.9 0.339
2017 81.7 0.346
2018 80.5 0.351
2019 79.3 0.354
2020 78.1 0.357
2021 77.0 0.357
2022 75.8 0.356
2023 74.6 0.354
2024 73.5 0.349
2025 72.2 0.343
2026 71.0 0.335
2027 69.6 0.325
2028 68.2 0.312
2029 66.6 0.297
2030 64.8 0.279


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


 
  


wds05098%2B2802b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 05098+2802 BU 1047 BC : NOTES
 
 
discov_num notes refcode
BU 1047 BC: Van Biesbroeck in 1953 noted "no evidence of change in 65 years."
However, the pair is now apparently in rapid motion in a highly-
inclined orbit. Wor1967b
BC. The star was noted as a spectroscopic binary by Griffin et Grf1988
al. (1988).
Hipparcos identified the pair as a non-Hyades member, however, the HIP1998
results invesigating proper motion, photometry and radial velocity Grf1988
yield a more ambiguous finding. The jury is still out! Grf2013c
STF 645 A,BC: HJL 67. HJL1986
A,BC: H 3 90. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Doc2020e orb - Docobo, J.A. & Campo, P. 2020IAUDS.202....1S
Doc2020e Inf. Circ. 202, 1, 2020
Grf1988 not - Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. 1988AJ.....96..172G
Grf1988 AJ 96, 172, 1988
Grf2013c not - Griffin, R.F. 2013Obs...133..144G
Grf2013c Observatory 133, 144, 2013
HIP1998 Hh - Perryman, M.A.C., Brown, A.G.A., Lebreton, Y., Gomez, A., Turon, C., Carel de 1998A&A...331...81P
HIP1998 Strobel, C., Mermilliod, J.C., Robichon, N., Kovalevsky, J. & Crifo, F.
HIP1998 A&A 331, 81, 1998
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Wor1967b Ma j Worley, C.E. 1967PUSNO..18....1W
Wor1967b Pub. USNO 18, Pt. 6, 1967
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 L Lewis, T.
262 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
05098+2802 BU 1047 BC 2005 42 104 0.2 9.11 9.71 dG7 NO 050945.44+280201.6
05098+2802 BU 1047 BC 2007 42 99 0.2 9.11 9.71 dG7 NO 050945.44+280201.6
05098+2802 BU 1047 BC 2013 44 88 0.3 9.11 9.71 dG7 NO 050945.44+280201.6
05098+2802 BU 1047 BC 2014 45 90 0.3 9.11 9.71 dG7 NO 050945.44+280201.6

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

 
 
WDS 05098+2802 BU 1047 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05098+2802 BU 1047 BC : MEASURES
 
 
No records found.

 
 
WDS 05098+2802 : VIRTUAL EYEPIECE
 
 

05098+2802 STF 645A mag 6.04 Sp A5m 05098+2802 L 54Ab sep 0.2 P.A. 352.00 05098+2802 BU 1047B sep 12.5 P.A. 23.80 mag 9.11 Sp dG7 05098+2802 BU 1047C sep 12.6 P.A. 24.90 mag 9.71 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 05098+2802 : ALADIN DSS IMAGE @ 05h 09m 45.44s +28° 02' 01.6"
 
 
 
 
WDS 05098+2802 BU 1047 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05098+2802 BU 1047BC distance=0' 05098+2802 L 54Aa,Ab distance=1' 05098+2802 STF 645A,BC distance=1' 05112+2814 MET 45 distance=23' 05101+2733 BGH 21 distance=29' 05082+2722 TVB 90 distance=45' 05111+2851 DAM1048 distance=52' 05111+2853 MLB 561 distance=56' 05074+2715 DOO 30 distance=57' 05074+2712 J 14 distance=59' 05173+2746 HJ 359 distance=61' 05053+2740 A 1845 distance=64' 05148+2804 DAM1049 distance=67' 05045+2813 MLB 640 distance=71' 05077+2908 HJ 357 distance=72' 05101+2645 COU 569Aa,Ab distance=77' 05101+2645 HJL1042AB distance=77' 05048+2842 HO 224AB distance=78' 05048+2842 HO 224AC distance=78' 05156+2809 DAM1052 distance=78' 05085+2929 BRT 9 distance=89' 05164+2802 DAM1054 distance=89' 05163+2745 DAM1053 distance=89' 05165+2753 DAM1055 distance=90' 05029+2802 COU 759 distance=91' 05047+2906 HJ 690 distance=92' 05113+2937 TDS3102 distance=98' 05104+2940 MLB 687 distance=98' 05066+2630 HDS 666 distance=102' 05059+2931 RAO 199 distance=102' 05020+2817 A 480 distance=105' 05164+2706 OCC 705 distance=105' 05120+2943 GMZ 39AB distance=106' 05096+2947 RAO 53BC distance=106' 05107+2947 CRC 6 distance=106' 05096+2947 STTA 61AB distance=106' 05096+2947 YSC 181Aa,Ab distance=106' 05059+2626 OCC9100 distance=110' 05126+2615 A 210 distance=114' 05032+2921 HJ 354 distance=117' 05020+2900 MLB 560 distance=117' 05158+2928 A 212AB distance=117' 05158+2928 A 212AC distance=117' 05158+2928 A 212CD distance=118' 05044+2938 A 1024 distance=119' 05186+2723 DAM1057 distance=124' 05133+2959 COU 710 distance=126' 05070+3004 A 1028 distance=128' 05077+3007 GMZ 37 distance=128' 05050+2959 A 1026 distance=133' 05097+2549 ARN 92AB distance=134' 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 05098+2802 BU 1047 BC 90 0.3
Show 05098+2802 L 54 Aa,Ab 351 0.2 1
Show 05098+2802 STF 645 A,BC 29 11.3 1
Show 05112+2814 MET 45 219 0.5 23
Show 05101+2733 BGH 21 353 314.6 29
Show 05082+2722 TVB 90 190 2.8 45
Show 05111+2851 DAM1048 183 1.9 52
Show 05111+2853 MLB 561 1 4.9 56
Show 05074+2715 DOO 30 188 7.1 57
Show 05074+2712 J 14 233 2.6 59
Show 05173+2746 HJ 359 68 12.5 61
Show 05053+2740 A 1845 140 2.0 64
Show 05148+2804 DAM1049 354 3.4 67
Show 05045+2813 MLB 640 44 3.4 71
Show 05077+2908 HJ 357 336 16.7 72
Show 05101+2645 COU 569 Aa,Ab 89 0.1 77
Show 05101+2645 HJL1042 AB 200 79.0 77
Show 05048+2842 HO 224 AB 285 2.1 78
Show 05048+2842 HO 224 AC 316 38.6 78
Show 05156+2809 DAM1052 295 6.6 78
Show 05085+2929 BRT 9 151 4.5 89
Show 05164+2802 DAM1054 264 3.0 89
Show 05163+2745 DAM1053 62 2.4 89
Show 05165+2753 DAM1055 271 4.9 90
Show 05029+2802 COU 759 258 1.4 91
Show 05047+2906 HJ 690 280 14.0 92
Show 05113+2937 TDS3102 247 0.5 98
Show 05104+2940 MLB 687 32 11.9 98
Show 05066+2630 HDS 666 213 0.1 102
Show 05059+2931 RAO 199 183 0.4 102
Show 05020+2817 A 480 337 0.7 105
Show 05164+2706 OCC 705 -1 0.1 105
Show 05120+2943 GMZ 39 AB 212 20.8 106
Show 05096+2947 RAO 53 BC 105 26.2 106
Show 05107+2947 CRC 6 313 2.6 106
Show 05096+2947 STTA 61 AB 245 68.4 106
Show 05096+2947 YSC 181 Aa,Ab 19 0.1 106
Show 05059+2626 OCC9100 -1 0.1 110
Show 05126+2615 A 210 78 0.1 114
Show 05032+2921 HJ 354 295 11.9 117
Show 05020+2900 MLB 560 61 7.2 117
Show 05158+2928 A 212 AB 311 3.7 117
Show 05158+2928 A 212 AC 16 21.7 117
Show 05158+2928 A 212 CD 41 9.3 118
Show 05044+2938 A 1024 334 0.8 119
Show 05186+2723 DAM1057 228 2.4 124
Show 05133+2959 COU 710 9 0.3 126
Show 05070+3004 A 1028 217 0.4 128
Show 05077+3007 GMZ 37 284 15.1 128
Show 05050+2959 A 1026 39 1.1 133
Show 05097+2549 ARN 92 AB 137 24.4 134

 
 
WDS 05098+2802 : COMPONENTS
 
 
  A Ab B
Ab pa=352.0°
sep=0.18"
 
B pa=23.8°
sep=12.46"
pa=24.3°
sep=12.31"
 
C pa=24.9°
sep=12.57"
pa=25.4°
sep=12.42"
pa=89.7°
sep=0.26"
 
 
05098+2802 A
 
 
Name V1156 Tau Coord arcsec 2000 050945.06+280150.2 Mag 6.04 Spectral class A5m (white)
PmRA 56.00 PmDE -61.0 SAO 76990 HIP 24019
Tycho2 1853-01958-1 HD 33204 HR 1670 GC 6301
BD BD+27 732 FK5 1141
Tycho2
Tycho2 1853-01958-1 Pflag RAmdeg 77.43789488 DEmdeg 28.03047402
PmRA 59.6 PmDE -55.4 E RAmdeg 3 E DEmdeg 4
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.78 EpDEm 1991.14
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.9 BTmag 6.339 E BTmag 0.014 VTmag 6.036
E VTmag 0.009 Prox 124 TYC T HIP 24019
CCDM A RAdeg 77.43774139 DEdeg 28.03060944 EpRA 1990 1.81
EpDE 1990 1.19 E RAdeg 3.4 E DEdeg 4.1 Posflg
Corr -0.1
SAO
SAO 76990 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 -0.06 Vmag 6 SpType A3
Double code Source 74 CatNum 1141 DM BD+27 732
DMcomp A BDsup HD 33204 M HD 0
GC 6301 RA1950rad 1.33783269 DE1950rad 0.48814847 PmRA2000 0.0042
PmDE2000 -0.061
Hipparcos
Catalog H HIP 24019 Proxy RAhms 05 09 45.06
DEdms +28 01 50.2 Vmag 5.93 VarFlag 1 R Vmag G
RAdeg 77.4377 DEdeg 28.0306 AstroRef A Plx 18.28
CCDM 05098+2802 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 33204 BD BD+27 732
CD CP Dm number +27 732 VIred 0.36
SpType A5m R SpType Coord arcsec 2000 050945.06+280150.2
Hipparcos 2
HIP 24019 Sn 15 So 3 Nc 1
RArad 1.3515433639 DErad 0.4892264057 Plx 19.01 PmRA 55.5
PmDE -58.91 E RArad 1.22 E DErad 0.65 E Plx 1.34
E pmRA 1.55 E pmDE 0.67 Hpmag 6.0141 E Hpmag 0.0024
SHp 0.014 VA 1 BV 0.311 E BV 0.005
VI 0.36
CCDM
Ccdm 05098+2802 RComp Comp A Note1
Note2 Discov num DRAs -2.91 DDEs -10.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.1 Sp A3 PmNote *
PmRA 56 PmDE -60 Dm number +27 732 Cat1 BD
Name2 +27 479 Cat2 AGK2/3 HD 33204 M HD
ADS BDS A 3730 M ADS BDS N IDS IDS 05035N2754A
HIC 24019
 
 
05098+2802 Ab
 
 
Coord arcsec 2000 050945.06+280150.4 Calc delta mag 6.04 Calc coord yes
 
 
05098+2802 B
 
 
Coord arcsec 2000 050945.44+280201.6 Mag 9.11 Spectral class dG7 PmRA 57.00
PmDE -59.0 HIP 24020 Calc delta mag 3.07
Hipparcos
Catalog H HIP 24020 Proxy H RAhms 05 09 45.44
DEdms +28 02 01.6 Vmag 8.62 VarFlag R Vmag G
RAdeg 77.4393 DEdeg 28.0338 AstroRef B Plx 18.28
CCDM 05098+2802 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source L Qual D M HIP BC
Theta 87 Rho 0.665 HD BD
CD CP Dm number VIred 0.76
SpType A3 R SpType Coord arcsec 2000 050945.44+280201.6
Hipparcos 2
HIP 24020 Sn 15 So 3 Nc 2
RArad 1.3515709757 DErad 0.4892815171 Plx 13.53 PmRA 57.27
PmDE -59.04 E RArad 4.8 E DErad 1.94 E Plx 5.26
E pmRA 4.71 E pmDE 2.05 Hpmag 6.0425 E Hpmag 0.0132
SHp 0.08 VA 0 BV 0.707 E BV 0.023
VI 0.76
CCDM
Ccdm 05098+2802 RComp Comp B Note1
Note2 Discov num STF 645 DRAs -2.54 DDEs 0.8
R dRAs 10 Year 1829 Theta 027 Rho 11.8
Obs 24 Vmag 8.6 Sp PmNote *
PmRA 55 PmDE -46 Dm number Cat1
Name2 +27 480 Cat2 AGK2/3 HD M HD
ADS BDS A 3730 M ADS BDS N IDS IDS 05035N2754B
HIC 24020
 
 
05098+2802 C
 
 
Coord arcsec 2000 050945.46+280201.6 Mag 9.71 Calc delta mag 3.67 Calc coord yes
CCDM
Ccdm 05098+2802 RComp B Comp C Note1 *
Note2 Discov num BU 1047 DRAs DDEs
R dRAs Year 1960 Theta 072 Rho 0.3
Obs 15 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3730 M ADS BDS N IDS IDS 05035N2754C
HIC 24020