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Current system
18229+1458
HU 581


Nearby doubles
20' : 18236+1441
BRT1299

23' : 18220+1439
HDS2598

26' : 18229+1433
TDT 826

36' : 18227+1534
HEI 172

43' : 18203+1519
LDS1010

44' : 18259+1458
CHR 70

47' : 18222+1413
AG 222AB

50' : 18236+1410
TVB 303

50' : 18223+1547
BPM 764AB

51' : 18199+1524
BPM 759

57' : 18268+1452
GWP2778

57' : 18195+1526
HEI 171

71' : 18181+1454
BPM 756

72' : 18220+1348
BPM 763

72' : 18272+1533
BPM 775

73' : 18197+1403
PRN 2AB

75' : 18186+1538
BPMA 53

77' : 18272+1543
BPM 774

78' : 18206+1608
OSO 98

79' : 18241+1615
TDT 833

84' : 18220+1621
BPM 762

85' : 18243+1337
TDT 838

85' : 18280+1417
TDT 894

85' : 18172+1517
BPM 754

89' : 18257+1339
BPM 769

90' : 18171+1527
TDT 774



Selections
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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18229+1458 HU 581

 
 
18h 22m 54.84s +14° 58' 11.0" P.A. 122.00 sep 0.4 mag 8.80,9.40 Sp G0V dist. 79.3 pc (258.68 l.y.)
 
 
Coord 2000 18229+1458 Discov num HU  581 Comp Coord arcsec 2000 18 22 54.84 +14 58 11.0
Date first 1902 Date last 2016 Obs 47
Pa first 120 Pa last 122.3 P.A. Now (θ) 122.3°
Sep first 0.3 Sep last 0.365 Sep. Now (ρ) 0.365"
Mag pri 8.80 Mag sec 9.40 delta mag (ΔM) 0.6 Spectral class G0V (yellow)
Pri motion ra +003 Sec motion ra
Pri motion dec +045 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 90075 Tycho2 1022-01145-1 Gaia DR2 4521644399898524288
ADS 11300 BD BD+14 3507 Distance 79.3 Distance ly 258.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.11y± 6.05 Periastron (T)1992.13y± 0.64 Semi-major axis (a)0.234a± 0.046
Eccentricity (e)0.797± 0.173 Inclination (i)83.2°± 59.1 Longitude of periastron (ω)45°± 16.1
Node (Ω)296.7°± 16.1 Notesn ReferenceAST1991
Equinox Last observation1990 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 118.2 0.253
2001 118.6 0.268
2002 118.9 0.280
2003 119.2 0.291
2004 119.5 0.300
2005 119.8 0.307
2006 120.1 0.313
2007 120.3 0.318
2008 120.6 0.322
2009 120.8 0.324
2010 121.1 0.326
2011 121.3 0.326
2012 121.6 0.326
2013 121.8 0.325
2014 122.1 0.323
2015 122.3 0.320
2016 122.6 0.316
2017 122.8 0.312
2018 123.1 0.306
2019 123.4 0.301
2020 123.7 0.294
2021 124.0 0.287
2022 124.3 0.279
2023 124.7 0.270
2024 125.0 0.261
2025 125.4 0.251
2026 125.9 0.241
2027 126.3 0.230
2028 126.9 0.218
2029 127.4 0.206
2030 128.1 0.193


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


 
  


wds18229%2B1458a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18229+1458 HU 581 : NOTES
 
 
discov_num notes refcode
HU 581 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.18 +/- 1.48, 2.25, and 1.05 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
AST1991 Hf u Franz, O.G., Kreidl, T.J.N., Wasserman, L.W., Bradley, A.J., Benedict, G.F., 1991ApJ...377L..17F
AST1991 +orb Hemenway, P.D., Jefferys, W.H., McArthur, B. et al.
AST1991 ApJ 377, L17, 1991
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18229+1458 HU 581 1997 44 118 0.1 8.80 9.40 G0V NO 182254.84+145811.0
18229+1458 HU 581 2008 45 117 0.3 8.80 9.40 G0V NO 182254.84+145811.0
18229+1458 HU 581 2016 46 122 0.4 8.80 9.40 G0V NO 182254.84+145811.0

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

 
 
WDS 18229+1458 HU 581 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18229+1458 HU 581 : MEASURES
 
 
No records found.

 
 
WDS 18229+1458 : VIRTUAL EYEPIECE
 
 

18229+1458 HU 581A mag 8.8 Sp G0V 18229+1458 HU 581B sep 0.4 P.A. 123.20 mag 9.4 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 18229+1458 : ALADIN DSS IMAGE @ 18h 22m 54.84s +14° 58' 11.0"
 
 
 
 
WDS 18229+1458 HU 581 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18229+1458 HU 581 distance=0' 18236+1441 BRT1299 distance=20' 18220+1439 HDS2598 distance=23' 18229+1433 TDT 826 distance=26' 18227+1534 HEI 172 distance=36' 18203+1519 LDS1010 distance=43' 18259+1458 CHR 70 distance=44' 18222+1413 AG 222AB distance=47' 18222+1413 AG 222AC distance=47' 18236+1410 TVB 303 distance=50' 18223+1547 BPM 764AB distance=50' 18199+1524 BPM 759 distance=51' 18268+1452 GWP2778 distance=57' 18195+1526 HEI 171 distance=57' 18181+1454 BPM 756 distance=71' 18220+1348 BPM 763 distance=72' 18272+1533 BPM 775 distance=72' 18197+1403 PRN 2AB distance=73' 18197+1403 FOX 280AC distance=73' 18186+1538 BPMA 53 distance=75' 18272+1543 BPM 774 distance=77' 18206+1608 OSO 98 distance=78' 18241+1615 TDT 833 distance=79' 18220+1621 BPM 762 distance=84' 18243+1337 TDT 838 distance=85' 18280+1417 TDT 894 distance=85' 18172+1517 BPM 754 distance=85' 18257+1339 BPM 769 distance=89' 18171+1527 TDT 774 distance=90' 18251+1623 BPM 766 distance=91' 18181+1559 BPM 757 distance=93' 18219+1631 BPM 761 distance=95' 18180+1347 CHR 68 distance=101' 18215+1318 HDS2595 distance=103' 18158+1516 BPM 751AB distance=105' 18158+1516 BPM 751AC distance=105' 18160+1427 TDT 764 distance=106' 18250+1642 AHD 2 distance=109' 18249+1645 BKO 727 distance=111' 18296+1553 BPM 779 distance=112' 18163+1401 TDT 770 distance=113' 18287+1614 HU 320 distance=113' 18152+1446 BPM 749 distance=113' 18252+1647 J 752 distance=115' 18263+1313 BPM 770 distance=117' 18190+1315 ROE 111 distance=118' 18149+1516 ROE 122 distance=118' 18305+1408 BPM 785 distance=121' 18151+1415 BPM 748 distance=122' 18214+1259 BPMA 54 distance=122' 18272+1643 SLE 617 distance=123' 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 18229+1458 HU 581 122 0.4
Show 18236+1441 BRT1299 301 6.2 20
Show 18220+1439 HDS2598 214 0.6 23
Show 18229+1433 TDT 826 231 2.2 26
Show 18227+1534 HEI 172 184 5.9 36
Show 18203+1519 LDS1010 14 7.6 43
Show 18259+1458 CHR 70 100 0.1 44
Show 18222+1413 AG 222 AB 146 1.4 47
Show 18222+1413 AG 222 AC 40 12.6 47
Show 18236+1410 TVB 303 16 22.5 50
Show 18223+1547 BPM 764 AB 201 106.6 50
Show 18199+1524 BPM 759 152 53.1 51
Show 18268+1452 GWP2778 296 6.8 57
Show 18195+1526 HEI 171 98 0.4 57
Show 18181+1454 BPM 756 122 108.6 71
Show 18220+1348 BPM 763 187 105.5 72
Show 18272+1533 BPM 775 249 21.5 72
Show 18197+1403 PRN 2 AB 2 3.6 73
Show 18197+1403 FOX 280 AC 358 52.7 73
Show 18186+1538 BPMA 53 27 237.0 75
Show 18272+1543 BPM 774 157 102.3 77
Show 18206+1608 OSO 98 166 3.4 78
Show 18241+1615 TDT 833 260 2.7 79
Show 18220+1621 BPM 762 263 63.7 84
Show 18243+1337 TDT 838 133 0.5 85
Show 18280+1417 TDT 894 135 1.5 85
Show 18172+1517 BPM 754 174 114.5 85
Show 18257+1339 BPM 769 263 92.6 89
Show 18171+1527 TDT 774 31 0.6 90
Show 18251+1623 BPM 766 31 87.9 91
Show 18181+1559 BPM 757 8 108.8 93
Show 18219+1631 BPM 761 275 90.9 95
Show 18180+1347 CHR 68 53 0.0 101
Show 18215+1318 HDS2595 24 1.5 103
Show 18158+1516 BPM 751 AB 119 8.9 105
Show 18158+1516 BPM 751 AC 295 30.5 105
Show 18160+1427 TDT 764 96 0.5 106
Show 18250+1642 AHD 2 303 11.9 109
Show 18249+1645 BKO 727 254 6.2 111
Show 18296+1553 BPM 779 201 77.8 112
Show 18163+1401 TDT 770 254 0.6 113
Show 18287+1614 HU 320 144 2.0 113
Show 18152+1446 BPM 749 119 73.5 113
Show 18252+1647 J 752 256 4.6 115
Show 18263+1313 BPM 770 84 86.0 117
Show 18190+1315 ROE 111 74 3.1 118
Show 18149+1516 ROE 122 268 6.8 118
Show 18305+1408 BPM 785 264 81.5 121
Show 18151+1415 BPM 748 351 116.9 122
Show 18214+1259 BPMA 54 351 282.0 122
Show 18272+1643 SLE 617 195 7.0 123

 
 
WDS 18229+1458 : COMPONENTS
 
 
  A
B pa=123.2°
sep=0.36"
 
 
18229+1458 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182254.84+145811.0 Mag 8.8 Spectral class G0V (yellow)
PmRA 3.00 PmDE 45.0 HIP 90075 Tycho2 1022-01145-1
ADS 11300 BD BD+14 3507
Tycho2
Tycho2 1022-01145-1 Pflag RAmdeg 275.72847952 DEmdeg 14.96980652
PmRA 0.3 PmDE 37.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.1 E pmDE 1.0 EpRAm 1990.73 EpDEm 1990.69
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.9 BTmag 9.246 E BTmag 0.019 VTmag 8.610
E VTmag 0.014 Prox 755 TYC T HIP 90075
CCDM RAdeg 275.72847889 DEdeg 14.96971917 EpRA 1990 1.67
EpDE 1990 1.66 E RAdeg 7.9 E DEdeg 8.3 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 90075 Proxy RAhms 18 22 54.84
DEdms +14 58 11.0 Vmag 8.58 VarFlag R Vmag H
RAdeg 275.728 DEdeg 14.9697 AstroRef Plx 12.58
CCDM 18229+1458 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+14 3507
CD CP Dm number +14 3507 VIred 0.7
SpType G0 R SpType Coord arcsec 2000 182254.84+145811.0
Hipparcos 2
HIP 90075 Sn 5 So 0 Nc 1
RArad 4.8123698492 DErad 0.2612708544 Plx 12.61 PmRA 1.57
PmDE 39.52 E RArad 0.6 E DErad 0.57 E Plx 1.04
E pmRA 0.89 E pmDE 0.79 Hpmag 8.7152 E Hpmag 0.0016
SHp 0.015 VA 0 BV 0.67 E BV 0.018
VI 0.73
CCDM
Ccdm 18229+1458 RComp Comp A Note1
Note2 Discov num DRAs 0.88 DDEs 11.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp PmNote *
PmRA 14 PmDE 42 Dm number +14 3507 Cat1 BD
Name2 +14 1867 Cat2 AGK2/3 HD M HD
ADS BDS A11300 M ADS BDS N IDS IDS 18184N1455A
HIC 90075
 
 
18229+1458 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182254.86+145810.8 Mag 9.4 Calc delta mag 0.6
Calc coord yes
CCDM
Ccdm 18229+1458 RComp Comp B Note1 *
Note2 Discov num HU 581 DRAs DDEs
R dRAs Year 1902 Theta Rho
Obs 24 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11300 M ADS BDS N N IDS IDS 18184N1455B
HIC 90075