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HD 83840


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ICCD Speckle Observations of Binary Stars.XV.An Investigation of Lunar Occultation Systems
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.2260M&db_key=AST

Photoelectric observations of lunar occultations. XV
The last (or possibly penultimate) paper in a series on lunaroccultations presents observations of 404 phenomena, preceded by somegeneral remarks of a retrospective nature. The series of observationsbegan in 1968. Data for 20 doubles or suspected doubles are presented,ranked in order of certainty, with designation 3 representing thesurest. Thirteen of the cases refer to stars not previously noted asdoubles. Seven determinations of angular diameters are presented, ofwhich three have been previously observed.

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

Micrometer observations of double stars.8.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975ApJS...29..315H&db_key=AST

Mikrometermessungen von Doppelsternen. VII
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....1..393H&db_key=AST

Mesures d'etoiles doubles faites AU refracteur de 38cm de l'Observatoire de Nice.
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Mesures d'étoiles doubles faites à l'Observatoire de Paris
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Observation and Astrometry data

Constellation:Lion
Right ascension:09h41m31.15s
Declination:+17°53'12.7"
Apparent magnitude:8.914
Proper motion RA:-10.7
Proper motion Dec:-2
B-T magnitude:9.324
V-T magnitude:8.948

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 83840
TYCHO-2 2000TYC 1413-34-1
USNO-A2.0USNO-A2 1050-06106913
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