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Current system
05393-1751
BU 321 AB
HD 37643


Nearby doubles
30' : 05372-1749
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RST2390

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RST2392

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UC 1338

60' : 05428-1822
B 1949

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TDS3246

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RST4785

68' : 05361-1842
B 1947

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RST2395

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RSS 86

80' : 05423-1644
HU 1231

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ARA 535

81' : 05443-1714
TDS3317

86' : 05402-1627
SKF2486AB

89' : 05385-1919
NSN 83

91' : 05436-1646
TDS3308

92' : 05443-1654
KPP2498

94' : 05337-1841
HDS 733

94' : 05327-1749
HJ 3766AB
Arneb

95' : 05458-1741
ARA 162

98' : 05389-1929
ARA 534

99' : 05447-1650
A 3017

101' : 05346-1906
TDS3241



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

05393-1751 BU 321 AB (HD 37643)

 
 
05h 39m 16.23s -17° 50' 57.9" P.A. 160.00 sep 0.5 mag 6.69,7.83 Sp B7V dist. 473.93 pc (1545.96 l.y.)
 
 
Coord 2000 05393-1751 Discov num BU  321 Comp AB Coord arcsec 2000 05 39 16.23 -17 50 57.9
Date first 1874 Date last 2008 Obs 24
Pa first 135 Pa last 159.6 P.A. Now (θ) 159.6°
Sep first 0.5 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 6.69 Mag sec 7.83 delta mag (ΔM) 1.14 Spectral class B7V (blue-white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec +002 Sec motion dec +002
Notes
Nature of this double is uncertain.
 
 
05393-1751 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 37643 150652 05 39 16 -17 50 58 BU 321 AB 2008 24 160 0.5 6.69 7.83 1.14 <===
Show 150652 05 39 16 -17 50 58 HJ 3780 AC 2017 23 137 88.8 6.69 8.89 2.20
Show 150652 05 39 16 -17 50 58 HJ 3780 AE 2017 24 8 75.4 6.69 7.90 1.21
Show 150652 05 39 16 -17 50 58 HJ 3780 AF 2012 21 300 133.9 6.69 8.25 1.56
Show 150652 05 39 16 -17 50 58 HJ 3780 AG 2012 8 51 59.6 6.69 11.24 4.55
Show 150652 05 39 16 -17 50 58 HJ 3780 AH 1999 3 308 40.8 6.69 12.70 6.01
Show 150652 05 39 16 -17 50 58 HJ 3780 AB,I 2000 7 103 91.8 6.69 10.94 4.25
Show 05 39 20 -17 52 03 HJ 3780 CD 2017 19 355 1.5 8.89 9.55 0.66
Show 05 39 20 -17 52 03 HJ 3780 CI 2018 7 33 52.2 8.89 10.94 2.05
Ninefold system
10 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 37643 Constellation Lepus SAO 150652 HIP 26602
Tycho2 5921-01652-1 Gaia DR2 2970394296672325632 HD 37643 HR 1944
GC 7058 ADS 4254 BD BD-17 1199 Distance 473.93
Distance ly 1545.96