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Doubles in session


Current system
04460-0659
BU 186
HD 30301


Nearby doubles
34' : 04483-0657
TDS2970

47' : 04481-0625
A 477

50' : 04431-0725
A 476

52' : 04437-0622
SKF1690

57' : 04429-0629
HJ 26

67' : 04501-0727
TDS2981

67' : 04498-0625
CVR 54

80' : 04483-0811
UC 1215

89' : 04476-0534
GRE 1

92' : 04401-0640
BRT 368

92' : 04514-0613
HJ 28

94' : 04399-0650
HJ 25AB

102' : 04518-0751
BU 748

107' : 04479-0842
HJ 3687

107' : 04510-0544
UC 1222AB

108' : 04455-0512
HJ 27

110' : 04528-0617
A 478

113' : 04398-0557
GWP 604

113' : 04423-0838
RST4253

114' : 04505-0528
TDS2983

115' : 04436-0848
STF 590

116' : 04432-0848
HJ 2238

117' : 04437-0508
A 114

121' : 04492-0509
KPP1959

122' : 04382-0736
CVR 52

122' : 04537-0618
HJ 29



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.

04460-0659 BU 186 (HD 30301)

 
 
04h 45m 59.70s -06° 59' 16.9" P.A. 28.00 sep 0.4 mag 7.81,9.73 Sp G0 dist. 71.84 pc (234.34 l.y.)
 
 
Coord 2000 04460-0659 Discov num BU  186 Comp Coord arcsec 2000 04 45 59.70 -06 59 16.9
Date first 1875 Date last 2012 Obs 26
Pa first 174 Pa last 28.3 P.A. Now (θ) 28.3°
Sep first 2.0 Sep last 0.365 Sep. Now (ρ) 0.365"
Mag pri 7.81 Mag sec 9.73 delta mag (ΔM) 1.92 Spectral class G0 (yellow)
Pri motion ra -020 Sec motion ra
Pri motion dec -091 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 30301 Constellation Eridanus SAO 131476 HIP 22151
Tycho2 4748-00877-1 Gaia DR2 3187863544730735104 HD 30301 ADS 3430
BD BD-07 893 Distance 71.84 Distance ly 234.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)729.6y Periastron (T)1999.78y Semi-major axis (a)1.53a
Eccentricity (e)0.806 Inclination (i)55.6° Longitude of periastron (ω)150.2°
Node (Ω)178.1° Notes ReferenceFMR2015a
Equinox2000 Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 341.3 0.274
2001 346.3 0.286
2002 350.8 0.298
2003 355.0 0.308
2004 358.9 0.317
2005 2.7 0.325
2006 6.3 0.332
2007 9.7 0.338
2008 13.0 0.343
2009 16.2 0.348
2010 19.4 0.351
2011 22.5 0.355
2012 25.6 0.358
2013 28.6 0.360
2014 31.5 0.363
2015 34.4 0.366
2016 37.3 0.368
2017 40.1 0.371
2018 42.9 0.374
2019 45.6 0.378
2020 48.3 0.381
2021 50.9 0.385
2022 53.5 0.389
2023 56.0 0.394
2024 58.5 0.398
2025 60.9 0.404
2026 63.2 0.409
2027 65.5 0.415
2028 67.7 0.421
2029 69.9 0.427
2030 72.0 0.434


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


 
  


wds04460-0659a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04460-0659 BU 186 (HD 30301) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
FMR2015a orb - Rica Romero, F.M. 2015IAUDS.185....1R
FMR2015a 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
04460-0659 BU 186 1991 24 273 0.2 7.81 9.73 G0 044559.70-065916.9
04460-0659 BU 186 2012 26 28 0.4 7.81 9.73 G0 O 044559.70-065916.9

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

 
 
WDS 04460-0659 BU 186 (HD 30301) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04460-0659 BU 186 (HD 30301) : MEASURES
 
 
No records found.

 
 
WDS 04460-0659 (HD 30301) : VIRTUAL EYEPIECE
 
 

04460-0659 BU 186A mag 7.81 Sp G0 04460-0659 BU 186B sep 0.4 P.A. 28.10 mag 9.73 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 04460-0659 (HD 30301) : ALADIN DSS IMAGE @ 04h 45m 59.70s -06° 59' 16.9"
 
 
 
 
WDS 04460-0659 BU 186 (HD 30301) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04460-0659 BU 186 distance=1' 04483-0657 TDS2970 distance=34' 04481-0625 A 477 distance=47' 04431-0725 A 476 distance=50' 04437-0622 SKF1690 distance=52' 04429-0629 HJ 26 distance=57' 04501-0727 TDS2981 distance=67' 04498-0625 CVR 54 distance=67' 04413-0631 CTI9207BE distance=76' 04483-0811 UC 1215 distance=80' 04476-0534 GRE 1 distance=89' 04401-0640 BRT 368 distance=92' 04514-0613 HJ 28 distance=92' 04399-0650 HJ 25AB distance=94' 04399-0650 HJ 25AC distance=94' 04518-0751 BU 748 distance=102' 04479-0842 HJ 3687 distance=107' 04510-0544 UC 1222AB distance=107' 04510-0544 ITF 56AC distance=107' 04455-0512 HJ 27 distance=108' 04528-0617 A 478 distance=110' 04398-0557 GWP 604 distance=113' 04423-0838 RST4253 distance=113' 04505-0528 TDS2983 distance=114' 04436-0848 STF 590 distance=115' 04432-0848 HJ 2238 distance=116' 04437-0508 A 114 distance=117' 04492-0509 KPP1959 distance=121' 04382-0736 CVR 52 distance=122' 04537-0618 HJ 29 distance=122' 04533-0756 SKF 775 distance=123' 04393-0813 RST4251AB distance=124' 04393-0813 TDS2925AC distance=124' 04410-0840 RST4252 distance=126' 04378-0616 RST4247 distance=130' 04516-0520 ALD 26 distance=131' 04456-0919 GWP 614 distance=140' 04532-0528 SLW 173 distance=142' 04484-0442 RST4254AB distance=143' 04484-0442 HJ 2240AC distance=143' 04465-0437 A 2 distance=144' 04528-0517 BU 316 distance=144' 04385-0524 RST4249 distance=148' 04559-0717 RST4259 distance=149' 04365-0611 LDS 843 distance=151' 04531-0853 BRT 369 distance=155' 04406-0912 WOR 17 distance=156' 04504-0430 KPP1170 distance=163' 04549-0835 TDS3004 distance=163' 04433-0937 BU 1384AB distance=163' 04433-0937 STF 588AC distance=163' 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 04460-0659 BU 186 28 0.4 1
Show 04483-0657 TDS2970 278 0.5 34
Show 04481-0625 A 477 165 0.6 47
Show 04431-0725 A 476 154 0.8 50
Show 04437-0622 SKF1690 82 1.6 52
Show 04429-0629 HJ 26 289 10.8 57
Show 04501-0727 TDS2981 26 0.6 67
Show 04498-0625 CVR 54 337 23.9 67
Show 04413-0631 CTI9207 BE 107 2.6 76
Show 04483-0811 UC 1215 92 68.5 80
Show 04476-0534 GRE 1 217 8.7 89
Show 04401-0640 BRT 368 180 5.0 92
Show 04514-0613 HJ 28 203 18.2 92
Show 04399-0650 HJ 25 AB 85 7.4 94
Show 04399-0650 HJ 25 AC 312 14.9 94
Show 04518-0751 BU 748 127 1.2 102
Show 04479-0842 HJ 3687 281 24.8 107
Show 04510-0544 UC 1222 AB 137 82.6 107
Show 04510-0544 ITF 56 AC 134 201.0 107
Show 04455-0512 HJ 27 51 39.6 108
Show 04528-0617 A 478 33 4.0 110
Show 04398-0557 GWP 604 236 135.7 113
Show 04423-0838 RST4253 229 0.7 113
Show 04505-0528 TDS2983 17 1.3 114
Show 04436-0848 STF 590 318 9.3 115
Show 04432-0848 HJ 2238 67 18.1 116
Show 04437-0508 A 114 312 4.4 117
Show 04492-0509 KPP1959 294 15.5 121
Show 04382-0736 CVR 52 196 53.1 122
Show 04537-0618 HJ 29 300 30.9 122
Show 04533-0756 SKF 775 7 9.9 123
Show 04393-0813 RST4251 AB 52 0.2 124
Show 04393-0813 TDS2925 AC 326 0.5 124
Show 04410-0840 RST4252 71 1.1 126
Show 04378-0616 RST4247 305 0.8 130
Show 04516-0520 ALD 26 104 2.2 131
Show 04456-0919 GWP 614 36 139.9 140
Show 04532-0528 SLW 173 148 158.9 142
Show 04484-0442 RST4254 AB 112 0.5 143
Show 04484-0442 HJ 2240 AC 165 15.8 143
Show 04465-0437 A 2 179 1.7 144
Show 04528-0517 BU 316 2 0.7 144
Show 04385-0524 RST4249 46 0.5 148
Show 04559-0717 RST4259 118 1.2 149
Show 04365-0611 LDS 843 342 31.4 151
Show 04531-0853 BRT 369 100 4.8 155
Show 04406-0912 WOR 17 194 2.0 156
Show 04504-0430 KPP1170 169 9.1 163
Show 04549-0835 TDS3004 260 0.8 163
Show 04433-0937 BU 1384 AB 93 8.2 163
Show 04433-0937 STF 588 AC 268 45.4 163

 
 
WDS 04460-0659 : COMPONENTS
 
 
  A
B pa=28.1°
sep=0.36"
 
 
04460-0659 A
 
 
Componente originario normalizzato AB Name HD 30301 Coord arcsec 2000 044559.70-065916.9 Mag 7.81
Spectral class G0 (yellow) PmRA -20.00 PmDE -91.0 SAO 131476
HIP 22151 Tycho2 4748-00877-1 HD 30301 BD BD-07 893
Tycho2
Tycho2 4748-00877-1 Pflag RAmdeg 71.49869910 DEmdeg -6.98824310
PmRA -18.9 PmDE -90.4 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.17 EpDEm 1990.67
Num 10 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 8.249 E BTmag 0.016 VTmag 7.582
E VTmag 0.011 Prox 999 TYC T HIP 22151
CCDM AC RAdeg 71.49874278 DEdeg -6.98802667 EpRA 1990 1.64
EpDE 1990 1.37 E RAdeg 4.9 E DEdeg 5.7 Posflg P
Corr 0.0
SAO
SAO 131476 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.102 Vmag 7.7 SpType G0
Double code Source 26 CatNum 1218 DM BD-07 893
DMcomp BDsup HD 30301 M HD 0
GC RA1950rad 1.23727673 DE1950rad -0.12351502 PmRA2000 -0.0019
PmDE2000 -0.102
Hipparcos
Catalog H HIP 22151 Proxy H RAhms 04 45 59.70
DEdms -06 59 16.9 Vmag 7.51 VarFlag R Vmag H
RAdeg 71.4987 DEdeg -6.98803 AstroRef * Plx 14.6
CCDM 04460-0659 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 273 Rho 0.201 HD 30301 BD BD-07 893
CD CP Dm number -07 893 VIred 0.67
SpType G0 R SpType Coord arcsec 2000 044559.70-065916.9
Hipparcos 2
HIP 22151 Sn 55 So 3 Nc 2
RArad 1.247888449 DErad -0.1219640457 Plx 13.92 PmRA -19.46
PmDE -94.42 E RArad 0.68 E DErad 0.64 E Plx 0.85
E pmRA 0.92 E pmDE 0.82 Hpmag 7.6397 E Hpmag 0.0011
SHp 0.009 VA 0 BV 0.605 E BV 0.012
VI 0.67
CCDM
Ccdm 04460-0659 RComp Comp A Note1
Note2 Discov num DRAs -0.31 DDEs -17.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.8 Sp G0 PmNote *
PmRA -20 PmDE -94 Dm number -07 893 Cat1 BD
Name2 131476 Cat2 SAO HD 30301 M HD
ADS BDS A 3430 M ADS BDS N IDS IDS 04411S0710A
HIC 22151
 
 
04460-0659 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 044559.71-065916.6 Mag 9.73 Calc delta mag 1.92
Calc coord yes
CCDM
Ccdm 04460-0659 RComp Comp B Note1
Note2 Discov num BU 186 DRAs DDEs
R dRAs Year 1991 Theta 273 Rho 0.2
Obs 17 Vmag 9.7 Sp PmNote
PmRA -20 PmDE -94 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3430 M ADS BDS N IDS IDS 04411S0710B
HIC 22151