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HD 50845


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New Elements for 80 Eclipsing Binaries V.
This research presents new elements for 80 eclipsing binaries found withthe help of the ASAS-3, Hipparcos and NSVS databases.

The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

The IUE Spectrum of the Shell Star HD 50845
Not Available

Variations in the envelope of the shell star HD 50845
Spectrographic observations of the shell star HD 50845 made in December1984 have disclosed variations in the appearance of H-alpha and adecrease in the intensity of the strongest metastable and resonancelines of Fe I and Ca I, with respect to observations made with the sameequipment ten months earlier. The underlying star seems to be a velocityvariable F5 V object.

A New Shell Star: HD 50845
Not Available

Photoelectric Observations of the Variable Star Au-Monocerotis
Abstract image available at:http://adsabs.harvard.edu/abs/1980A&AS...40..271L

AU Monocerotis: a possible rapid cyclic variation of its period.
Abstract image available at:http://adsabs.harvard.edu/abs/1977A&A....55..295L

Stellar Spectra in Milky way Regions. V.A Region in Monoceros.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1956ApJS....2..271M&db_key=AST

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Dades d'Observació i Astrometria

Constel·lació:Monoceros
Ascensió Recta:06h54m48.92s
Declinació:-01°16'57.2"
Magnitud Aparent:8.138
Distancia:342.466 parsecs
Moviment propi RA:-1
Moviment propi Dec:-3.8
B-T magnitude:9.23
V-T magnitude:8.229

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 50845
TYCHO-2 2000TYC 4801-314-1
USNO-A2.0USNO-A2 0825-03478123
HIPHIP 33225
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