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Current system
03305+2006
RAO 11 Ba,Bb


Nearby doubles
22' : 03312+1947
STF 403AB

27' : 03287+2010
TDS 116

42' : 03280+2028
STF 394AB

59' : 03345+1948
STF 414

63' : 03295+2107
HU 435

64' : 03261+2015
A 2344AB

65' : 03349+1949
STF 416AB

70' : 03275+1911
A 2345AB

75' : 03313+2119
GRV 178

83' : 03298+1844
WZ 7

87' : 03247+2033
J 931

90' : 03355+1912
BRT2311

95' : 03271+1845
CHR 10AB

101' : 03348+2126
BRT3261AB

103' : 03314+2148
STF 404AB

104' : 03378+1957
KPP3535

105' : 03379+1950
LDS3515

107' : 03381+2014
OCC 886

107' : 03368+2106
LDS3511

109' : 03320+1820
LDS3501

111' : 03325+1819
TDS2568

114' : 03233+2058
STF 381

116' : 03228+2045
HDS 423AB

119' : 03388+2024
OCC 885

122' : 03377+1901
GWP 488

122' : 03338+1814
OCC 911AB



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.

03305+2006 RAO 11 Ba,Bb

 
 
03h 30m 31.22s +20° 05' 55.2" P.A. 249.00 sep 0.3 mag 10.20,11.00 Sp K2 dist. 39.59 pc (129.14 l.y.)
 
 
Coord 2000 03305+2006 Discov num RAO  11 Comp Ba,Bb Coord arcsec 2000 03 30 31.22 +20 05 55.2
Date first 2012 Date last 2023 Obs 10
Pa first 76 Pa last 249.1 P.A. Now (θ) 249.1°
Sep first 0.2 Sep last 0.309 Sep. Now (ρ) 0.309"
Mag pri 10.20 Mag sec 11.00 delta mag (ΔM) 0.8 Spectral class K2 (yellow-orange)
Pri motion ra +157 Sec motion ra
Pri motion dec -056 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03305+2006 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 21663 93462 03 30 30 +20 06 12 STF 399 AB 2016 26 146 19.6 8.33 10.75 2.42
Show 93462 03 30 30 +20 06 12 STF 399 AC 2024 11 222 58.8 8.40 12.07 3.67
Show 03 30 31 +20 05 55 RAO 11 Ba,Bb 2023 10 249 0.3 10.20 11.00 0.80 Y <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus HIP 16329 Tycho2 1242-00798-1 Gaia DR2 57890528450770560
HD 21663 BD BD+19 547 Distance 39.59 Distance ly 129.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.46y± 0.25 Periastron (T)2015.18y± 0.37 Semi-major axis (a)0.294a± 0.024
Eccentricity (e)0.395± 0.019 Inclination (i)103.1°± 1.6 Longitude of periastron (ω)18.8°± 5.4
Node (Ω)63°± 4.4 Notes ReferenceTok2019c
Equinox Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 237.8 0.382
2001 236.4 0.365
2002 234.7 0.342
2003 232.8 0.314
2004 230.5 0.282
2005 227.5 0.245
2006 223.4 0.204
2007 217.2 0.161
2008 206.2 0.117
2009 183.1 0.078
2010 138.2 0.065
2011 100.6 0.090
2012 82.8 0.129
2013 73.1 0.163
2014 66.2 0.181
2015 59.9 0.173
2016 51.5 0.138
2017 34.3 0.086
2018 338.5 0.050
2019 281.6 0.085
2020 264.6 0.143
2021 257.4 0.200
2022 253.3 0.249
2023 250.5 0.292
2024 248.4 0.327
2025 246.6 0.356
2026 245.1 0.377
2027 243.7 0.391
2028 242.4 0.400
2029 241.1 0.402
2030 239.8 0.398
2031 238.5 0.388
2032 237.0 0.373
2033 235.5 0.353
2034 233.7 0.328
2035 231.6 0.297
2036 229.0 0.263
2037 225.5 0.224
2038 220.4 0.181
2039 212.1 0.137
2040 196.0 0.094
2041 161.0 0.066
2042 114.8 0.075
2043 89.4 0.111
2044 77.0 0.149
2045 69.2 0.176
2046 62.9 0.180
2047 55.8 0.157
2048 44.2 0.111
2049 12.1 0.060
2050 299.8 0.062


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03305%2B2006a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 03305+2006 RAO 11 Ba,Bb : NOTES
 
 
discov_num notes refcode
STF 399 AB: H 4 89 (aka, H IV 89) MEv2010
A component SB1, P=32.5y. Is AB a real physical pair, or just two
members of Hyades? Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb
 
 
DISCOVERER
 
 
discov author
MEV MacEvoy, B.
RAO Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,
RAO Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
RAO Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,
RAO Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
RAO Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
RAO Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,
RAO Schonhut, J., & Crepp, J.
RAO Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,
RAO Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
RAO Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,
RAO E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
RAO Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,
RAO Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,
RAO Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,
RAO Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,
RAO R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
RAO Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,
RAO AJ 159, 139, 2020
RAO Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,
RAO AJ 162, 102, 2021
RAO Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,
STF (F. Struve DD - Appendix list #1)
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
03305+2006 RAO 11 Ba,Bb 2012 2 72 0.2 10.75 11.80 033031.22+200555.2
03305+2006 RAO 11 Ba,Bb 2018 6 286 0.1 10.20 11.00 K2 N 033031.22+200555.2
03305+2006 RAO 11 Ba,Bb 2020 7 259 0.2 10.20 11.00 K2 NO 033031.22+200555.2
03305+2006 RAO 11 Ba,Bb 2021 8 255 0.2 10.20 11.00 K2 NO 033031.22+200555.2
03305+2006 RAO 11 Ba,Bb 2022 9 252 0.3 10.20 11.00 K2 NO 033031.22+200555.2
03305+2006 RAO 11 Ba,Bb 2023 10 249 0.3 10.20 11.00 K2 NO 033031.22+200555.2

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

 
 
WDS 03305+2006 RAO 11 Ba,Bb : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03305+2006 RAO 11 Ba,Bb : MEASURES
 
 
No records found.

 
 
WDS 03305+2006 : VIRTUAL EYEPIECE
 
 

03305+2006 STF 399A mag 8.33 Sp G5 03305+2006 RAO 11B sep 19.9 P.A. 146.00 mag 10.2 Sp K2 03305+2006 RAO 11Bb sep 19.8 P.A. 146.90 mag 11 03305+2006 STF 399C sep 58.8 P.A. 222.30 mag 12.07 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 03305+2006 : ALADIN DSS IMAGE @ 03h 30m 31.22s +20° 05' 55.2"
 
 
 
 
WDS 03305+2006 RAO 11 Ba,Bb : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03305+2006 RAO 11Ba,Bb distance=0' 03305+2006 STF 399AB distance=1' 03305+2006 STF 399AC distance=1' 03312+1947 STF 403AB distance=22' 03287+2010 TDS 116 distance=27' 03280+2028 COU 260Aa,Ab distance=42' 03280+2028 STF 394AB distance=42' 03345+1948 STF 414 distance=59' 03295+2107 HU 435 distance=63' 03261+2015 A 2344AB distance=64' 03261+2015 CTT 6AC distance=64' 03349+1949 STF 416AB distance=65' 03349+1949 ES 2600AC distance=65' 03275+1911 A 2345AB distance=70' 03313+2119 GRV 178 distance=75' 03298+1844 WZ 7 distance=83' 03247+2033 J 931 distance=87' 03355+1912 BRT2311 distance=90' 03271+1845 CHR 10AB distance=95' 03271+1845 RBR 35AC distance=95' 03348+2126 BRT3261AB distance=101' 03348+2126 J 932AB,C distance=101' 03348+2126 J 932AB,D distance=101' 03314+2148 STF 404AB distance=103' 03314+2148 STF 404AC distance=103' 03378+1957 KPP3535 distance=104' 03314+2148 STF 405CD distance=105' 03379+1950 LDS3515 distance=105' 03381+2014 OCC 886 distance=107' 03368+2106 LDS3511 distance=107' 03320+1820 LDS3501 distance=109' 03325+1819 TDS2568 distance=111' 03233+2058 STF 381 distance=114' 03228+2045 HDS 423AB distance=116' 03228+2045 HDS 423AC distance=116' 03228+2045 HDS 423AD distance=116' 03228+2045 HDS 423AE distance=116' 03228+2045 HDS 423AF distance=116' 03388+2024 OCC 885 distance=119' 03377+1901 GWP 488 distance=122' 03338+1814 OCC 911AB distance=122' 03376+2121 PAT 1 distance=125' 03396+1934 BRT2312 distance=131' 03216+1920 GWP 455 distance=135' 03305+1751 GRV 177 distance=135' 03209+2031 HDS 418 distance=139' 03265+2213 LDS6083 distance=139' 03270+2219 LDS6084 distance=142' 03405+1941 SHN 6 distance=143' 03212+2109 COU 259 distance=145' 03203+1944 STF 376 distance=146' 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 03305+2006 RAO 11 Ba,Bb 249 0.3 0
Show 03305+2006 STF 399 AB 146 19.6 1
Show 03305+2006 STF 399 AC 222 58.8 1
Show 03312+1947 STF 403 AB 172 2.3 22
Show 03287+2010 TDS 116 183 1.1 27
Show 03280+2028 COU 260 Aa,Ab 83 0.7 42
Show 03280+2028 STF 394 AB 163 6.9 42
Show 03345+1948 STF 414 186 7.5 59
Show 03295+2107 HU 435 344 0.6 63
Show 03261+2015 A 2344 AB 189 1.3 64
Show 03261+2015 CTT 6 AC 128 50.9 64
Show 03349+1949 STF 416 AB 68 30.6 65
Show 03349+1949 ES 2600 AC 294 24.1 65
Show 03275+1911 A 2345 AB 179 0.9 70
Show 03313+2119 GRV 178 294 13.0 75
Show 03298+1844 WZ 7 263 7.5 83
Show 03247+2033 J 931 79 4.8 87
Show 03355+1912 BRT2311 341 2.3 90
Show 03271+1845 CHR 10 AB 29 0.0 95
Show 03271+1845 RBR 35 AC 81 0.9 95
Show 03348+2126 BRT3261 AB 292 1.0 101
Show 03348+2126 J 932 AB,C 308 3.7 101
Show 03348+2126 J 932 AB,D 305 4.7 101
Show 03314+2148 STF 404 AB 203 28.7 103
Show 03314+2148 STF 404 AC 50 121.5 103
Show 03378+1957 KPP3535 5 1.3 104
Show 03314+2148 STF 405 CD 48 26.9 105
Show 03379+1950 LDS3515 33 5.5 105
Show 03381+2014 OCC 886 -1 0.1 107
Show 03368+2106 LDS3511 170 13.9 107
Show 03320+1820 LDS3501 270 4.0 109
Show 03325+1819 TDS2568 50 2.1 111
Show 03233+2058 STF 381 104 1.0 114
Show 03228+2045 HDS 423 AB 299 0.2 116
Show 03228+2045 HDS 423 AC 97 2.0 116
Show 03228+2045 HDS 423 AD 86 2.2 116
Show 03228+2045 HDS 423 AE 86 4.3 116
Show 03228+2045 HDS 423 AF 47 4.8 116
Show 03388+2024 OCC 885 -1 0.1 119
Show 03377+1901 GWP 488 221 25.2 122
Show 03338+1814 OCC 911 AB -1 0.2 122
Show 03376+2121 PAT 1 227 0.5 125
Show 03396+1934 BRT2312 173 3.5 131
Show 03216+1920 GWP 455 208 13.9 135
Show 03305+1751 GRV 177 106 26.0 135
Show 03209+2031 HDS 418 342 0.6 139
Show 03265+2213 LDS6083 266 6.6 139
Show 03270+2219 LDS6084 308 24.0 142
Show 03405+1941 SHN 6 10 0.1 143
Show 03212+2109 COU 259 217 0.9 145
Show 03203+1944 STF 376 251 7.2 146

 
 
WDS 03305+2006 : COMPONENTS
 
 
  A B Bb
B pa=146.0°
sep=19.90"
 
Bb pa=146.9°
sep=19.83"
pa=249.1°
sep=0.31"
 
C pa=222.3°
sep=58.80"
pa=242.0°
sep=57.44"
pa=241.9°
sep=57.13"
 
 
03305+2006 A
 
 
Name HD 21663 Coord arcsec 2000 033030.43+200611.7 Mag 8.33 Spectral class G5 (yellow)
PmRA 162.00 PmDE -63.0 Tycho2 1242-00798-1 HD 21663
Tycho2
Tycho2 1242-00798-1 Pflag RAmdeg 52.62679908 DEmdeg 20.10327180
PmRA 162.4 PmDE -59.2 E RAmdeg 7 E DEmdeg 9
E pmRA 0.7 E pmDE 0.8 EpRAm 1990.31 EpDEm 1989.26
Num 23 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 9.273 E BTmag 0.019 VTmag 8.395
E VTmag 0.013 Prox 557 TYC T HIP 16329
CCDM RAdeg 52.62640306 DEdeg 20.10341111 EpRA 1990 1.75
EpDE 1990 1.52 E RAdeg 6.5 E DEdeg 8.8 Posflg
Corr -0.1
CCDM
Ccdm 03305+2006 RComp Comp A Note1
Note2 Discov num DRAs 0.37 DDEs 13.1
R dRAs 65 Year Theta Rho
Obs 3 Vmag 8.1 Sp G5 PmNote *
PmRA 160 PmDE -53 Dm number +19 547 Cat1 BD
Name2 +19 270 Cat2 AGK2/3 HD 21663 M HD
ADS BDS B 1730 M ADS BDS N IDS IDS 03247N1946A
HIC 16329
 
 
03305+2006 B
 
 
Coord arcsec 2000 033031.22+200555.2 Coord calc 033031.20+200555.4 Mag 10.2 Composed magnitude 10.75
Spectral class K2 (yellow-orange) PmRA 157.00 PmDE -56.0 Delta magnitude 1.87
 
 
03305+2006 Bb
 
 
Coord arcsec 2000 033031.20+200555.1 Mag 11 Delta magnitude 2.67 Coordinate calculated yes
 
 
03305+2006 C
 
 
Coord arcsec 2000 033027.62+200528.2 Mag 12.07 PmRA -3.00 PmDE -36.0
Tycho2 1242-00407-1 Delta magnitude 3.74 Coordinate calculated yes
Tycho2
Tycho2 1242-00407-1 Pflag RAmdeg 52.61617327 DEmdeg 20.09117042
PmRA -4.1 PmDE -33.2 E RAmdeg 73 E DEmdeg 97
E pmRA 2.4 E pmDE 2.5 EpRAm 1980.29 EpDEm 1971.25
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.604 E BTmag 0.249 VTmag 12.067
E VTmag 0.204 Prox 557 TYC HIP
CCDM RAdeg 52.61618278 DEdeg 20.09124806 EpRA 1990 1.76
EpDE 1990 1.56 E RAdeg 77.8 E DEdeg 110.2 Posflg
Corr 0.1
CCDM
Ccdm 03305+2006 RComp Comp C Note1
Note2 Discov num STF 399 DRAs -2.10 DDEs -30.6
R dRAs 65 Year 1909 Theta 204 Rho 50.6
Obs 1 Vmag 12.1 Sp PmNote #
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 03247N1946C
HIC