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Current system
03421-1709
HU 436 AB
HD 23121


Nearby doubles
7' : 03423-1705
LDS3526

50' : 03411-1756
RST2315

50' : 03452-1647
RST2320

53' : 03384-1659
KPP1301

58' : 03461-1708
GWP 507

67' : 03397-1612
GWP 496

71' : 03422-1558
A 2912

74' : 03465-1631
HDO 63

78' : 03388-1607
LDS3517

83' : 03372-1753
B 2564

85' : 03363-1728
HDS 456

92' : 03440-1836
GWP 505

94' : 03417-1842
TVB 54

95' : 03357-1644
GWP 484

98' : 03357-1636
BRT 607

98' : 03383-1547
A 3004

105' : 03493-1656
GWP 519

120' : 03503-1646
ARA 150

121' : 03346-1613
GAL 332AB

121' : 03420-1508
HDS 471

122' : 03349-1604
GAL 353

122' : 03461-1522
GWP 508

123' : 03437-1509
BRT 563

123' : 03472-1847
KPP1382

129' : 03404-1502
GWP 497

136' : 03341-1555
LDS3507



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.

03421-1709 HU 436 AB (HD 23121)

 
 
03h 42m 04.14s -17° 08' 45.3" P.A. 303.00 sep 1.3 mag 7.84,10.41 Sp F5V dist. 89.21 pc (291 l.y.)
 
 
Coord 2000 03421-1709 Discov num HU  436 Comp AB Coord arcsec 2000 03 42 04.14 -17 08 45.3
Date first 1901 Date last 2015 Obs 21
Pa first 288 Pa last 303.2 P.A. Now (θ) 303.2°
Sep first 1.3 Sep last 1.32 Sep. Now (ρ) 1.32"
Mag pri 7.84 Mag sec 10.41 delta mag (ΔM) 2.57 Spectral class F5V (yellow-white)
Pri motion ra +042 Sec motion ra +036
Pri motion dec -021 Sec motion dec -020
Notes W
rPM=0.13 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 23121 Constellation Eridanus HIP 17288 Tycho2 5874-00065-1
HD 23121 BD BD-17 715 Distance 89.21 Distance ly 291
 
 
WDS 03421-1709 HU 436 AB (HD 23121) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03421-1709 HU 436 AB 2015 21 303 1.3 7.84 10.41 F5V W 034204.14-170845.3

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

 
 
WDS 03421-1709 HU 436 AB (HD 23121) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03421-1709 HU 436 AB (HD 23121) : MEASURES
 
 
No records found.

 
 
WDS 03421-1709 (HD 23121) : VIRTUAL EYEPIECE
 
 

03421-1709 HU 436A mag 7.84 Sp F5V 03421-1709 HU 436B sep 1.3 P.A. 304.40 mag 10.41 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 03421-1709 (HD 23121) : ALADIN DSS IMAGE @ 03h 42m 04.14s -17° 08' 45.3"
 
 
 
 
WDS 03421-1709 HU 436 AB (HD 23121) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03421-1709 HU 436AB distance=0' 03423-1705 LDS3526 distance=7' 03411-1756 RST2315 distance=50' 03452-1647 RST2320 distance=50' 03384-1659 KPP1301 distance=53' 03461-1708 GWP 507 distance=58' 03397-1612 GWP 496 distance=67' 03422-1558 A 2912 distance=71' 03465-1631 HDO 63 distance=74' 03388-1607 LDS3517 distance=78' 03372-1753 B 2564 distance=83' 03363-1728 HDS 456 distance=85' 03440-1836 GWP 505 distance=92' 03417-1842 TVB 54 distance=94' 03357-1644 GWP 484 distance=95' 03357-1636 BRT 607 distance=98' 03383-1547 A 3004 distance=98' 03493-1656 GWP 519 distance=105' 03503-1646 ARA 150 distance=120' 03346-1613 GAL 332AB distance=121' 03420-1508 HDS 471 distance=121' 03349-1604 GAL 353 distance=122' 03461-1522 GWP 508 distance=122' 03437-1509 BRT 563 distance=123' 03472-1847 KPP1382 distance=123' 03404-1502 GWP 497 distance=129' 03341-1555 LDS3507 distance=136' 03351-1841 ARA 525 distance=137' 03405-1925 GWP 498 distance=139' 03520-1656 ARA 151 distance=144' 03508-1824 B 1931 distance=146' 03514-1610 GWP 523 distance=146' 03335-1547 LDS3506 distance=150' 03417-1948 KPP3538 distance=160' 03379-1941 TDS2607 distance=163' 03338-1508 TOK 239Ba,Bb distance=164' 03493-1501 RST3388 distance=166' 03336-1904 RSS 66 distance=168' 03512-1855 HJ 3599A,BC distance=168' 03414-1421 GWP 499 distance=168' 03512-1855 B 684BC distance=168' 03338-1508 TOK 239AB distance=171' 03305-1752 B 2517AB distance=171' 03533-1807 RST4763 distance=171' 03305-1752 B 2517BC distance=171' 03464-1949 KPP2867 distance=172' 03511-1514 A 3005AB distance=174' 03539-1751 GWP 532 distance=174' 03329-1915 SEE 27 distance=182' 03318-1521 UC 1020 distance=183' 03440-1406 RST3386 distance=186' 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 03421-1709 HU 436 AB 303 1.3
Show 03423-1705 LDS3526 270 2.0 7
Show 03411-1756 RST2315 145 1.8 50
Show 03452-1647 RST2320 91 0.6 50
Show 03384-1659 KPP1301 265 9.9 53
Show 03461-1708 GWP 507 189 24.0 58
Show 03397-1612 GWP 496 314 7.6 67
Show 03422-1558 A 2912 27 1.6 71
Show 03465-1631 HDO 63 113 22.6 74
Show 03388-1607 LDS3517 69 6.6 78
Show 03372-1753 B 2564 65 18.8 83
Show 03363-1728 HDS 456 100 0.1 85
Show 03440-1836 GWP 505 184 108.2 92
Show 03417-1842 TVB 54 153 1.6 94
Show 03357-1644 GWP 484 20 16.3 95
Show 03357-1636 BRT 607 257 5.1 98
Show 03383-1547 A 3004 26 2.2 98
Show 03493-1656 GWP 519 7 55.1 105
Show 03503-1646 ARA 150 133 10.9 120
Show 03346-1613 GAL 332 AB 235 20.8 121
Show 03420-1508 HDS 471 17 1.7 121
Show 03349-1604 GAL 353 203 14.2 122
Show 03461-1522 GWP 508 138 34.3 122
Show 03437-1509 BRT 563 68 3.1 123
Show 03472-1847 KPP1382 3 10.4 123
Show 03404-1502 GWP 497 186 18.9 129
Show 03341-1555 LDS3507 237 11.1 136
Show 03351-1841 ARA 525 241 7.4 137
Show 03405-1925 GWP 498 317 25.0 139
Show 03520-1656 ARA 151 119 5.2 144
Show 03508-1824 B 1931 266 2.7 146
Show 03514-1610 GWP 523 333 17.6 146
Show 03335-1547 LDS3506 186 34.0 150
Show 03417-1948 KPP3538 158 1.9 160
Show 03379-1941 TDS2607 78 0.9 163
Show 03338-1508 TOK 239 Ba,Bb 337 0.9 164
Show 03493-1501 RST3388 334 0.8 166
Show 03336-1904 RSS 66 88 37.1 168
Show 03512-1855 HJ 3599 A,BC 73 12.6 168
Show 03414-1421 GWP 499 326 20.9 168
Show 03512-1855 B 684 BC 133 0.4 168
Show 03338-1508 TOK 239 AB 180 624.7 171
Show 03305-1752 B 2517 AB 177 26.1 171
Show 03533-1807 RST4763 285 0.6 171
Show 03305-1752 B 2517 BC 13 2.0 171
Show 03464-1949 KPP2867 238 1.7 172
Show 03511-1514 A 3005 AB 327 0.9 174
Show 03539-1751 GWP 532 147 15.1 174
Show 03329-1915 SEE 27 347 0.5 182
Show 03318-1521 UC 1020 163 51.8 183
Show 03440-1406 RST3386 130 0.6 186

 
 
WDS 03421-1709 : COMPONENTS
 
 
  A
B pa=304.4°
sep=1.28"
 
 
03421-1709 A
 
 
Name HD 23121 Coord arcsec 2000 034204.14-170845.3 Mag 7.84 Spectral class F5V (yellow-white)
PmRA 42.00 PmDE -21.0 HIP 17288 Tycho2 5874-00065-1
HD 23121 BD BD-17 715
Tycho2
Tycho2 5874-00065-1 Pflag RAmdeg 55.51724431 DEmdeg -17.14591527
PmRA 41.6 PmDE -20.9 E RAmdeg 6 E DEmdeg 6
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.13 EpDEm 1991.13
Num 7 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.1 BTmag 8.353 E BTmag 0.017 VTmag 7.845
E VTmag 0.012 Prox 14 TYC T HIP 17288
CCDM A RAdeg 55.51714389 DEdeg -17.14586694 EpRA 1990 1.65
EpDE 1990 1.63 E RAdeg 6.1 E DEdeg 6.2 Posflg P
Corr -0.2
Hipparcos
Catalog H HIP 17288 Proxy H RAhms 03 42 04.11
DEdms -17 08 45.1 Vmag 7.7 VarFlag R Vmag G
RAdeg 55.5171 DEdeg -17.1459 AstroRef A Plx 10.92
CCDM 03421-1709 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 300 Rho 1.37 HD 23121 BD BD-17 715
CD CP Dm number -17 715 VIred 0.57
SpType F5V R SpType Coord arcsec 2000 034204.11-170845.1
Hipparcos 2
HIP 17288 Sn 15 So 3 Nc 2
RArad 0.9689569153 DErad -0.2992518322 Plx 11.21 PmRA 33.97
PmDE -18.21 E RArad 0.76 E DErad 0.69 E Plx 0.91
E pmRA 0.83 E pmDE 1.05 Hpmag 7.8164 E Hpmag 0.0011
SHp 0.01 VA 0 BV 0.498 E BV 0.015
VI 0.57
CCDM
Ccdm 03421-1709 RComp Comp A Note1
Note2 Discov num DRAs -1.93 DDEs 15.6
R dRAs 32 Year Theta Rho
Obs 2 Vmag 7.9 Sp F5 PmNote *
PmRA 23 PmDE -1 Dm number -17 715 Cat1 BD
Name2 Cat2 HD 23121 M HD
ADS BDS A 2706 M ADS BDS N IDS IDS 03375S1728A
HIC 17288
 
 
03421-1709 B
 
 
Coord arcsec 2000 034204.07-170844.6 Mag 10.41 PmRA 36.00 PmDE -20.0
Calc delta mag 2.57 Calc coord yes
CCDM
Ccdm 03421-1709 RComp Comp B Note1
Note2 Discov num HU 436 DRAs DDEs
R dRAs Year 1959 Theta 298 Rho 1.4
Obs 8 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2706 M ADS BDS N IDS IDS 03375S1728B
HIC 17288