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Current system
04275+1113
BU 1186
HD 28217


Nearby doubles
18' : 04266+1125
LDS5560

21' : 04285+1059
HEI 457

23' : 04268+1052
PAT 8

27' : 04259+1123
GWP 584

31' : 04295+1113
GWP 590

32' : 04278+1144
MET 39

34' : 04288+1045
GWP 587

34' : 04275+1039
STZ 7

59' : 04237+1131
LSC 30

63' : 04233+1123
STF 535

64' : 04256+1210
ITO 27

67' : 04297+1211
HDS 578

69' : 04300+1016
LDS5568

69' : 04317+1044
LDS5571

69' : 04280+1004
A 2033

72' : 04278+1001
STF 549AB

75' : 04224+1118
PAT 5

78' : 04248+1219
RED 30

79' : 04274+1232
LDS5562

81' : 04324+1038
HDS 588

83' : 04261+1233
SKF1807

85' : 04224+1153
WIS 105

88' : 04296+1234
LDS5567

90' : 04268+1240
WOR 15

90' : 04217+1046
TOK 84

96' : 04246+1238
LDS5553



Selections
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Binary Systems
Triple Systems
Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

04275+1113 BU 1186 (HD 28217)

 
 
04h 27m 28.77s +11° 12' 44.4" P.A. 78.00 sep 0.1 mag 6.07,7.94 Sp B8IV dist. 180.18 pc (587.75 l.y.)
 
 
Coord 2000 04275+1113 Discov num BU 1186 Comp Coord arcsec 2000 04 27 28.77 +11 12 44.4
Date first 1890 Date last 1996 Obs 41
Pa first 182 Pa last 78.1 P.A. Now (θ) 78.1°
Sep first 0.6 Sep last 0.127 Sep. Now (ρ) 0.127"
Mag pri 6.07 Mag sec 7.94 delta mag (ΔM) 1.87 Spectral class B8IV (blue-white)
Pri motion ra -005 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28217 Constellation Taurus SAO 93943 HIP 20804
Tycho2 0672-01283-1 Gaia DR2 3306058021059565568 HD 28217 HR 1402
GC 5408 ADS 3228 BD BD+10 577 Distance 180.18
Distance ly 587.75
 
 
ORBITAL ELEMENTS
 
 
Period (P)160.59y Periastron (T)2005.8y Semi-major axis (a)0.401a
Eccentricity (e)0.74 Inclination (i)118.6° Longitude of periastron (ω)27.3°
Node (Ω)5.4° Notesn ReferenceOle2005a
Equinox2000 Last observation1996 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 45.2 0.114
2001 36.4 0.115
2002 27.8 0.116
2003 19.2 0.116
2004 10.4 0.113
2005 0.7 0.105
2006 348.9 0.093
2007 332.7 0.077
2008 309.4 0.065
2009 280.5 0.064
2010 255.4 0.075
2011 238.5 0.093
2012 227.7 0.115
2013 220.3 0.138
2014 215.1 0.160
2015 211.1 0.183
2016 208.0 0.204
2017 205.5 0.225
2018 203.4 0.244
2019 201.6 0.263
2020 200.0 0.282
2021 198.6 0.299
2022 197.4 0.316
2023 196.3 0.332
2024 195.3 0.347
2025 194.4 0.362
2026 193.5 0.376
2027 192.7 0.390
2028 192.0 0.403
2029 191.3 0.416
2030 190.6 0.428


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


 
  


wds04275%2B1113a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04275+1113 BU 1186 (HD 28217) : NOTES
 
 
discov_num notes refcode
BU 1186 A is variable.
 
 
REFERENCES
 
 
refcode metd author reference
Ole2005a orb - Olevic, D. & Cvetkovic, Z. 2005IAUDS.155....1O
Ole2005a Inf. Circ. 155, 1, 2005
 
 
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
04275+1113 BU 1186 1996 40 78 0.1 6.07 7.94 B8IV NOD 042728.77+111244.4

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

 
 
WDS 04275+1113 BU 1186 (HD 28217) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04275+1113 BU 1186 (HD 28217) : MEASURES
 
 
No records found.

 
 
WDS 04275+1113 (HD 28217) : VIRTUAL EYEPIECE
 
 

04275+1113 BU 1186A mag 6.07 Sp B8IV 04275+1113 BU 1186B sep 0.1 P.A. 77.90 mag 7.94 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 04275+1113 (HD 28217) : ALADIN DSS IMAGE @ 04h 27m 28.77s +11° 12' 44.4"
 
 
 
 
WDS 04275+1113 BU 1186 (HD 28217) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04275+1113 BU 1186 distance=0' 04266+1125 LDS5560 distance=18' 04285+1059 HEI 457 distance=21' 04268+1052 PAT 8 distance=23' 04259+1123 GWP 584 distance=27' 04295+1113 GWP 590 distance=31' 04278+1144 MET 39 distance=32' 04288+1045 GWP 587 distance=34' 04275+1039 STZ 7 distance=34' 04237+1131 LSC 30 distance=59' 04233+1123 STF 535 distance=63' 04256+1210 ITO 27 distance=64' 04297+1211 HDS 578 distance=67' 04300+1016 LDS5568 distance=69' 04317+1044 LDS5571 distance=69' 04280+1004 A 2033 distance=69' 04278+1001 STF 549AB distance=72' 04278+1001 BU 1534AC distance=72' 04224+1118 PAT 5 distance=75' 04248+1219 RED 30 distance=78' 04274+1232 LDS5562 distance=79' 04324+1038 HDS 588 distance=81' 04261+1233 SKF1807 distance=83' 04224+1153 WIS 105 distance=85' 04296+1234 LDS5567 distance=88' 04268+1240 WOR 15 distance=90' 04217+1046 TOK 84 distance=90' 04246+1238 LDS5553 distance=96' 04235+0954 ITO 24AB distance=98' 04235+0954 ITO 24AC distance=98' 04235+0954 ITO 24AD distance=98' 04342+1133 SKF2412 distance=101' 04278+0932 SKF1829 distance=102' 04333+1213 UC 1181 distance=105' 04347+1130 A 2034 distance=108' 04208+1026 LDS5541 distance=111' 04335+1224 UC 1182 distance=114' 04241+1258 UC 1159AB distance=117' 04239+0928 HU 304 distance=118' 04338+1226 UC 1184 distance=119' 04354+1045 RED 7 distance=121' 04192+1100 BPM 98 distance=124' 04230+0924 YSC 31AB distance=128' 04230+0924 GII 128Aa,Ab distance=128' 04275+1323 LDS5580 distance=131' 04356+1206 TOK 17AB distance=131' 04356+1206 GII 131Aa,Ab distance=131' 04301+0902 CBL 225 distance=136' 04357+1010 CHR 18Aa,Ab distance=137' 04357+1010 SHJ 45AB distance=137' 04210+0935 LDS5542 distance=137' 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 04275+1113 BU 1186 78 0.1
Show 04266+1125 LDS5560 71 19.4 18
Show 04285+1059 HEI 457 111 1.4 21
Show 04268+1052 PAT 8 159 0.2 23
Show 04259+1123 GWP 584 322 5.8 27
Show 04295+1113 GWP 590 296 20.3 31
Show 04278+1144 MET 39 249 9.8 32
Show 04288+1045 GWP 587 245 55.6 34
Show 04275+1039 STZ 7 130 5.3 34
Show 04237+1131 LSC 30 61 0.0 59
Show 04233+1123 STF 535 267 1.1 63
Show 04256+1210 ITO 27 162 10.4 64
Show 04297+1211 HDS 578 247 0.2 67
Show 04300+1016 LDS5568 76 59.6 69
Show 04317+1044 LDS5571 148 35.3 69
Show 04280+1004 A 2033 217 0.8 69
Show 04278+1001 STF 549 AB 157 25.3 72
Show 04278+1001 BU 1534 AC 350 18.4 72
Show 04224+1118 PAT 5 159 0.0 75
Show 04248+1219 RED 30 199 4.1 78
Show 04274+1232 LDS5562 335 83.5 79
Show 04324+1038 HDS 588 248 4.0 81
Show 04261+1233 SKF1807 54 113.8 83
Show 04224+1153 WIS 105 300 999.9 85
Show 04296+1234 LDS5567 141 28.9 88
Show 04268+1240 WOR 15 348 0.5 90
Show 04217+1046 TOK 84 15 17.7 90
Show 04246+1238 LDS5553 184 26.8 96
Show 04235+0954 ITO 24 AB 356 1.6 98
Show 04235+0954 ITO 24 AC 307 6.7 98
Show 04235+0954 ITO 24 AD 257 10.6 98
Show 04342+1133 SKF2412 119 2.3 101
Show 04278+0932 SKF1829 349 64.3 102
Show 04333+1213 UC 1181 28 86.8 105
Show 04347+1130 A 2034 240 0.5 108
Show 04208+1026 LDS5541 342 9.1 111
Show 04335+1224 UC 1182 41 34.9 114
Show 04241+1258 UC 1159 AB 73 65.0 117
Show 04239+0928 HU 304 35 0.3 118
Show 04338+1226 UC 1184 63 21.5 119
Show 04354+1045 RED 7 250 0.5 121
Show 04192+1100 BPM 98 216 109.3 124
Show 04230+0924 YSC 31 AB 108 0.5 128
Show 04230+0924 GII 128 Aa,Ab 129 0.1 128
Show 04275+1323 LDS5580 283 21.0 131
Show 04356+1206 TOK 17 AB 16 1.2 131
Show 04356+1206 GII 131 Aa,Ab 123 0.1 131
Show 04301+0902 CBL 225 252 16.1 136
Show 04357+1010 CHR 18 Aa,Ab 193 0.1 137
Show 04357+1010 SHJ 45 AB 300 69.2 137
Show 04210+0935 LDS5542 343 29.9 137

 
 
WDS 04275+1113 : COMPONENTS
 
 
  A
B pa=77.9°
sep=0.12"
 
 
04275+1113 A
 
 
Componente originario normalizzato AB Name HD 28217 Coord arcsec 2000 042728.77+111244.4 Mag 6.07
Spectral class B8IV (blue-white) PmRA -5.00 PmDE -8.0 SAO 93943
HIP 20804 Tycho2 0672-01283-1 HD 28217 HR 1402
GC 5408 BD BD+10 577
Tycho2
Tycho2 0672-01283-1 Pflag RAmdeg 66.86987125 DEmdeg 11.21230580
PmRA -1.8 PmDE -10.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.66 EpDEm 1991.50
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.4 BTmag 5.915 E BTmag 0.015 VTmag 5.874
E VTmag 0.010 Prox 999 TYC T HIP 20804
CCDM AB RAdeg 66.86987528 DEdeg 11.21233028 EpRA 1990 1.80
EpDE 1990 1.65 E RAdeg 3.8 E DEdeg 4.2 Posflg P
Corr -0.2
SAO
SAO 93943 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.001 Vmag 5.8 SpType B8
Double code Source 70 CatNum 5408 DM BD+10 577
DMcomp BDsup HD 28217 M HD 0
GC 5408 RA1950rad 1.15504135 DE1950rad 0.19376081 PmRA2000 -0.0002
PmDE2000 -0.003
Hipparcos
Catalog H HIP 20804 Proxy H RAhms 04 27 28.77
DEdms +11 12 44.4 Vmag 5.87 VarFlag R Vmag H
RAdeg 66.8699 DEdeg 11.2123 AstroRef * Plx 6.7
CCDM 04275+1113 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 136 Rho 0.15 HD 28217 BD BD+10 577
CD CP Dm number +10 577 VIred 0.04
SpType B8IV R SpType Coord arcsec 2000 042728.77+111244.4
Hipparcos 2
HIP 20804 Sn 55 So 3 Nc 2
RArad 1.1670994959 DErad 0.195692104 Plx 5.55 PmRA -1.04
PmDE -12.06 E RArad 0.62 E DErad 0.4 E Plx 0.73
E pmRA 0.93 E pmDE 0.68 Hpmag 5.8946 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.049 E BV 0.006
VI 0.06
CCDM
Ccdm 04275+1113 RComp Comp A Note1
Note2 Discov num DRAs -1.35 DDEs -16.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.9 Sp B8 PmNote *
PmRA -30 PmDE -15 Dm number +10 577 Cat1 BD
Name2 +11 419 Cat2 AGK2/3 HD 28217 M HD
ADS BDS A 3228 M ADS BDS N IDS IDS 04220N1059A
HIC 20804
 
 
04275+1113 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042728.78+111244.4 Mag 7.94 Calc delta mag 1.87
Calc coord yes
CCDM
Ccdm 04275+1113 RComp Comp B Note1
Note2 Discov num BU 1186 DRAs DDEs
R dRAs Year 1952 Theta 166 Rho 0.5
Obs 16 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3228 M ADS BDS N IDS IDS 04220N1059B
HIC 20804