WDS 02556+2652 STF 326 AB (HD 18143) : NOTES
 
 
discov_num notes refcode
STF 326 Parabolic orbit by Hopmann (1967). Hop1967
sigma = areal constant in the true orbit = 0.05215 arcsec^2/yr
q = periastron distance in the true orbit = 2".827
Data appear equally well fit by rectilinear solution - see catalog.
 
 
REFERENCES
 
 
refcode metd author reference
Hop1967 orb - Hopmann, J. 1967MiWie..13...49H
Hop1967 Mitt. Sternw. Wien 13, 49, 1967
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02556+2652 STF 326 AB 2006 76 222 5.0 7.68 10.02 G5 NCD 025538.89+265225.3
02556+2652 STF 326 AB 2009 79 221 5.1 7.68 10.02 G5 NCD 025538.89+265225.3
02556+2652 STF 326 AB 2010 85 221 4.7 7.68 10.02 G5 NCD 025538.89+265225.3
02556+2652 STF 326 AB 2011 88 221 4.9 7.68 10.02 G5 NCD 025538.89+265225.3
02556+2652 STF 326 AB 2012 89 220 4.8 7.68 10.02 G5 NCD 025538.89+265225.3
02556+2652 STF 326 AB 2016 96 221 5.5 7.68 10.02 K2IV+M0V NC 025539.06+265223.6
02556+2652 STF 326 AB 2020 104 221 4.6 7.68 10.02 K2IV+M0V NO T 025539.06+265223.6

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