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Doubles in session


Current system
04340-5503
B 2092 AB


Nearby doubles
19' : 04357-5450
HU 1373

30' : 04371-5452
RST 110

35' : 04363-5531
KPP2021

56' : 04339-5407
UC 1187

59' : 04291-5423
TSN 19

63' : 04311-5406
KPP3574

67' : 04356-5608
TOI 379

71' : 04420-5448
HU 1375

76' : 04275-5554
COO 22

77' : 04286-5402
TDS2864

78' : 04352-5619
RST2352

83' : 04253-5428
RST 104

83' : 04408-5602
FIN 88AB

85' : 04432-5436
TOK 87

87' : 04424-5417
TDS2938

88' : 04368-5339
RST2353

88' : 04242-5529
UC 1161

91' : 04234-5505
KPP1269

95' : 04422-5607
HDS 605

100' : 04434-5406
RST2357

107' : 04435-5356
HJ 3688

116' : 04325-5657
SKF1523

116' : 04237-5351
HU 1368AB

123' : 04211-5414
TDS2830

127' : 04250-5324
UC 1163

129' : 04342-5255
KPP 110



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.

04340-5503 B 2092 AB

 
 
04h 33m 59.72s -55° 02' 42.0" P.A. 212.00 sep 0.1 mag 3.62,4.57 Sp A0IIIs dist. 51.71 pc (168.68 l.y.)
 
 
Coord 2000 04340-5503 Discov num B  2092 Comp AB Coord arcsec 2000 04 33 59.72 -55 02 42.0
Date first 1956 Date last 2021 Obs 39
Pa first 154 Pa last 212.2 P.A. Now (θ) 284.2°
Sep first 0.3 Sep last 0.106 Sep. Now (ρ) 0.058"
Mag pri 3.62 Mag sec 4.57 delta mag (ΔM) 0.95 Spectral class A0IIIs (white)
Pri motion ra +051 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04340-5503 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 233564 04 33 60 -55 02 42 B 2092 AB 2021 39 212 0.1 3.62 4.57 0.95 Y <===
Show Alp Dor 233564 04 33 60 -55 02 42 HJ 3668 AB,C 1999 9 94 77.2 3.24 10.20 6.96
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Dorado SAO 233564 HIP 21281 Tycho2 8512-02115-1
HD 29305 HR 1465 GC 5600 CP CP-55 663
Bayer Alpha Doradus Bayer name Alp Dor FK5 171 Distance 51.71
Distance ly 168.68 Bayer greek α Dor
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.11y Periastron (T)1986.9y Semi-major axis (a)0.201a
Eccentricity (e)0.777 Inclination (i)46° Longitude of periastron (ω)40°
Node (Ω)304.9° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 116.3 0.150
2001 130.7 0.234
2002 138.5 0.283
2003 144.4 0.310
2004 149.7 0.321
2005 154.8 0.317
2006 160.3 0.301
2007 166.6 0.273
2008 174.8 0.233
2009 187.2 0.180
2010 212.5 0.115
2011 303.7 0.050
2012 113.5 0.138
2013 129.6 0.227
2014 137.8 0.279
2015 143.8 0.308
2016 149.1 0.320
2017 154.2 0.318
2018 159.6 0.304
2019 165.8 0.277
2020 173.7 0.238
2021 185.5 0.186
2022 208.3 0.122
2023 284.2 0.058
2024 110.2 0.124
2025 128.4 0.219
2026 137.0 0.274
2027 143.2 0.306
2028 148.5 0.320
2029 153.7 0.319
2030 159.0 0.306


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


 
  


wds04340-5503a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04340-5503 B 2092 AB : NOTES
 
 
discov_num notes refcode
B 2092 alp Dor. Hyad (vB 96).
High mass-sum, illustrative solution only, speckle/spectroscopic orbit
needed, cf. Griffin et al. (1988). Grf1988
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 5.51 +/- 1.51, 4.25, and 2.69 Msun, respectively. Mlk2012
HJ 3668 AB,C: Optical pair, based on study of relative motion of the
components using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Grf1988 not - Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. 1988AJ.....96..172G
Grf1988 AJ 96, 172, 1988
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
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 B van den Bos, W.H.
212 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04340-5503 B 2092 AB 2001 31 316 0.3 3.62 4.57 A0IIIs NOD 043359.72-550242.0
04340-5503 B 2092 AB 2008 32 187 0.2 3.62 4.57 A0IIIs NOD 043359.72-550242.0
04340-5503 B 2092 AB 2013 33 131 0.2 3.62 4.57 A0IIIs NOD 043359.72-550242.0
04340-5503 B 2092 AB 2014 34 144 0.3 3.62 4.57 A0IIIs NO 043359.72-550242.0
04340-5503 B 2092 AB 2016 35 155 0.3 3.62 4.57 A0IIIs NO 043359.72-550242.0
04340-5503 B 2092 AB 2018 36 167 0.3 3.62 4.57 A0IIIs NO 043359.72-550242.0
04340-5503 B 2092 AB 2019 37 175 0.2 3.62 4.57 A0IIIs NO 043359.72-550242.0
04340-5503 B 2092 AB 2020 38 187 0.2 3.62 4.57 A0IIIs NO 043359.72-550242.0
04340-5503 B 2092 AB 2021 39 212 0.1 3.62 4.57 A0IIIs NO 043359.72-550242.0

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

 
 
WDS 04340-5503 B 2092 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04340-5503 B 2092 AB : MEASURES
 
 
No records found.

 
 
WDS 04340-5503 : VIRTUAL EYEPIECE
 
 

04340-5503 B 2092A mag 3.62 Sp A0IIIs 04340-5503 B 2092B sep 0.1 P.A. 199.80 mag 4.57 04340-5503 HJ 3668C sep 44.5 P.A. 97.50 mag 10.2 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 04340-5503 : ALADIN DSS IMAGE @ 04h 33m 59.72s -55° 02' 42.0"
 
 
 
 
WDS 04340-5503 B 2092 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04340-5503 B 2092AB distance=0' 04357-5450 HU 1373 distance=19' 04371-5452 RST 110 distance=30' 04363-5531 KPP2021 distance=35' 04339-5407 UC 1187 distance=56' 04291-5423 TSN 19 distance=59' 04311-5406 KPP3574 distance=63' 04356-5608 TOI 379 distance=67' 04420-5448 HU 1375 distance=71' 04275-5554 COO 22 distance=76' 04286-5402 TDS2864 distance=77' 04352-5619 RST2352 distance=78' 04253-5428 RST 104 distance=83' 04408-5602 FIN 88AB distance=83' 04408-5602 FIN 88AC distance=83' 04432-5436 TOK 87 distance=85' 04424-5417 TDS2938 distance=87' 04368-5339 RST2353 distance=88' 04242-5529 UC 1161 distance=88' 04234-5505 KPP1269 distance=91' 04422-5607 HDS 605 distance=95' 04434-5406 RST2357 distance=100' 04435-5356 HJ 3688 distance=107' 04325-5657 SKF1523 distance=116' 04237-5351 HU 1368AB distance=116' 04237-5351 TOI 268AC distance=116' 04211-5414 TDS2830 distance=123' 04250-5324 UC 1163 distance=127' 04342-5255 KPP 110 distance=129' 04356-5252 HJ 3669 distance=132' 04480-5600 HJ 3696AB distance=132' 04480-5600 HJ 3696AC distance=132' 04255-5307 SLR 6 distance=139' 04296-5249 UC 1172 distance=140' 04350-5243 I 728 distance=141' 04498-5427 I 343 distance=142' 04188-5408 HDS 549 distance=143' 04334-5729 RST 108 distance=147' 04242-5704 RMK 4 distance=147' 04308-5727 HDS 582AB distance=147' 04308-5727 TOK 429Aa,Ab distance=147' 04253-5257 TDS2845 distance=147' 04496-5353 I 342 distance=154' 04160-5507 RST 101 distance=155' 04256-5721 NSN 189 distance=155' 04523-5517 RST 115 distance=158' 04330-5221 KPP1167 distance=162' 04395-5228 BRT3262 distance=164' 04513-5358 RST2359 distance=164' 04535-5551 LDS 131 distance=174' 04153-5615 TOI 322 distance=175' 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 04340-5503 B 2092 AB 212 0.1
Show 04340-5503 HJ 3668 AB,C 94 77.2
Show 04357-5450 HU 1373 77 1.6 19
Show 04371-5452 RST 110 322 0.6 30
Show 04363-5531 KPP2021 54 16.1 35
Show 04339-5407 UC 1187 255 53.3 56
Show 04291-5423 TSN 19 115 137.5 59
Show 04311-5406 KPP3574 114 1.6 63
Show 04356-5608 TOI 379 19 0.1 67
Show 04420-5448 HU 1375 182 3.6 71
Show 04275-5554 COO 22 140 6.5 76
Show 04286-5402 TDS2864 147 1.4 77
Show 04352-5619 RST2352 330 1.0 78
Show 04253-5428 RST 104 169 2.3 83
Show 04408-5602 FIN 88 AB 27 1.8 83
Show 04408-5602 FIN 88 AC 210 6.8 83
Show 04432-5436 TOK 87 266 19.7 85
Show 04424-5417 TDS2938 173 0.6 87
Show 04368-5339 RST2353 38 1.5 88
Show 04242-5529 UC 1161 223 28.2 88
Show 04234-5505 KPP1269 56 9.7 91
Show 04422-5607 HDS 605 191 0.3 95
Show 04434-5406 RST2357 211 1.1 100
Show 04435-5356 HJ 3688 148 14.4 107
Show 04325-5657 SKF1523 207 11.6 116
Show 04237-5351 HU 1368 AB 51 2.3 116
Show 04237-5351 TOI 268 AC 33 10.0 116
Show 04211-5414 TDS2830 6 0.8 123
Show 04250-5324 UC 1163 226 15.7 127
Show 04342-5255 KPP 110 130 3.7 129
Show 04356-5252 HJ 3669 312 14.0 132
Show 04480-5600 HJ 3696 AB 324 4.9 132
Show 04480-5600 HJ 3696 AC 115 15.1 132
Show 04255-5307 SLR 6 105 0.9 139
Show 04296-5249 UC 1172 11 12.2 140
Show 04350-5243 I 728 68 0.6 141
Show 04498-5427 I 343 45 2.5 142
Show 04188-5408 HDS 549 77 0.3 143
Show 04334-5729 RST 108 30 3.5 147
Show 04242-5704 RMK 4 248 5.3 147
Show 04308-5727 HDS 582 AB 210 0.8 147
Show 04308-5727 TOK 429 Aa,Ab 169 0.1 147
Show 04253-5257 TDS2845 115 3.0 147
Show 04496-5353 I 342 133 3.2 154
Show 04160-5507 RST 101 35 2.2 155
Show 04256-5721 NSN 189 331 5.6 155
Show 04523-5517 RST 115 303 1.8 158
Show 04330-5221 KPP1167 2 9.1 162
Show 04395-5228 BRT3262 254 5.0 164
Show 04513-5358 RST2359 73 5.6 164
Show 04535-5551 LDS 131 316 7.4 174

 
 
WDS 04340-5503 : COMPONENTS
 
 
  A B
B pa=199.8°
sep=0.10"
 
C pa=97.5°
sep=44.48"
pa=97.4°
sep=44.50"
 
 
04340-5503 A
 
 
Coord arcsec 2000 043359.72-550242.0 Mag 3.62 Spectral class A0IIIs (white) PmRA 51.00
PmDE -4.0 SAO 233564 HIP 21281 Tycho2 8512-02115-1
HD 29305 HR 1465 GC 5600 CP CP-55 663
Bayer Alpha Doradus Bayer name Alp Dor FK5 171
Tycho2
Tycho2 8512-02115-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 3.169 E BTmag 0.014 VTmag 3.243
E VTmag 0.009 Prox 771 TYC T HIP 21281
CCDM AB RAdeg 68.49885500 DEdeg -55.04502333 EpRA 1990 1.57
EpDE 1990 1.66 E RAdeg 3.2 E DEdeg 3.2 Posflg P
Corr 0.1
SAO
SAO 233564 DelFlag RA1950 PmRA1950 0.0061
DE1950 PmDE1950 0.001 Vmag 3.5 SpType A0p
Double code Source 74 CatNum 171 DM CP-55 663
DMcomp BDsup HD 29305 M HD 0
GC 5600 RA1950rad 1.19080891 DE1950rad -0.96250923 PmRA2000 0.0064
PmDE2000 -0.003
Hipparcos
Catalog H HIP 21281 Proxy H RAhms 04 33 59.72
DEdms -55 02 42.0 Vmag 3.3 VarFlag 1 R Vmag G
RAdeg 68.4988 DEdeg -55.045 AstroRef A Plx 18.56
CCDM 04340-5503 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 146 Rho 0.304 HD 29305 BD
CD CP CP-55 663 Dm number -55 663 VIred -0.08
SpType A0V: R SpType Coord arcsec 2000 043359.72-550242.0
Hipparcos 2
HIP 21281 Sn 17 So 3 Nc 2
RArad 1.1955300582 DErad -0.9607165832 Plx 19.34 PmRA 57.75
PmDE 10.93 E RArad 0.28 E DErad 0.31 E Plx 0.31
E pmRA 0.35 E pmDE 0.37 Hpmag 3.2372 E Hpmag 0.001
SHp 0.012 VA 1 BV -0.079 E BV 0.015
VI -0.08
CCDM
Ccdm 04340-5503 RComp Comp A Note1
Note2 Discov num DRAs -0.20 DDEs 17.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 4.1 Sp A0 PmNote *
PmRA 52 PmDE 1 Dm number -55 663 Cat1 CPD
Name2 233564 Cat2 SAO HD 29305 M HD
ADS BDS M ADS BDS N IDS IDS 04318S5515A
HIC 21281
 
 
04340-5503 B
 
 
Coord arcsec 2000 043359.72-550242.1 Mag 4.57 Calc delta mag 0.95 Calc coord yes
CCDM
Ccdm 04340-5503 RComp Comp B Note1 *
Note2 Discov num B 2092 DRAs DDEs
R dRAs Year 1960 Theta 182 Rho 0.2
Obs 6 Vmag 4.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04318S5515B
HIC 21281
 
 
04340-5503 C
 
 
Coord arcsec 2000 043404.85-550247.8 Mag 10.2 PmRA 62.00 PmDE 139.0
Calc delta mag 6.58 Calc coord yes
CCDM
Ccdm 04340-5503 RComp Comp C Note1
Note2 Discov num HJ 3668 DRAs 8.47 DDEs 10.0
R dRAs 10 Year 1938 Theta 101 Rho 77.7
Obs 4 Vmag 10.0 Sp PmNote *
PmRA 24 PmDE 120 Dm number -55 664 Cat1 CPD
Name2 233565 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 04318S5515C
HIC