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HD 99420


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Binary Star Orbits. II. Preliminary First Orbits for 117 Systems
Orbital elements are presented for 117 binary systems with no previousorbit calculation. For nearly all of these systems, these elements mustbe regarded as preliminary, but the ephemerides presented here should berelatively accurate over the next several decades. Further, the analysisof these systems should highlight the need for their continuedobservation by dedicated programs to improve the veracity of theseelements.

Observations of Double Stars and New Pairs. XVII.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996ApJS..105..475H&db_key=AST

Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST

Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Aslan
Sað Açýklýk:11h26m30.78s
Yükselim:+08°05'41.0"
Görünürdeki Parlaklýk:9.391
özdevim Sað Açýklýk:0.7
özdevim Yükselim:6.3
B-T magnitude:9.903
V-T magnitude:9.434

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 99420
TYCHO-2 2000TYC 856-252-1
USNO-A2.0USNO-A2 0975-06724676
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