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HD 19291


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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.

Spectral and Luminosity Classification of the Bright Sequence Stars in the C Regions.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJ...121...32N&db_key=AST

The Transfer of the North Polar Standards to the Southern Hemisphere.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1953ApJ...117...83C&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Koc
Sað Açýklýk:03h06m39.08s
Yükselim:+14°46'33.5"
Görünürdeki Parlaklýk:8.786
özdevim Sað Açýklýk:19.3
özdevim Yükselim:33.7
B-T magnitude:9.338
V-T magnitude:8.832

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 19291
TYCHO-2 2000TYC 654-271-1
USNO-A2.0USNO-A2 0975-00694831
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