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Topic: V509 Cassiopeiae

	Cassiopeia (constellation) - Wikipedia, the free encyclopedia
		Cassiopeia is a northern constellation which Greek mythology considered to represent a vain queen.
		Cassiopeia was the site of Tycho Brahe's supernova of 1572 (SN 1572), and is also the location of Cassiopeia A, the strongest radio source in the sky (other than the sun).
		Cassiopeia A is the remnant of a supernova which apparently occurred in about 1667, although there is no record of it having been observed.
	en.wikipedia.org /wiki/Cassiopeia_(constellation) (731 words)

	Cassiopeia (constellation) - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-16)
		Hence, when β Cassiopeiae is on the meridian directly above the pole the sidereal time is zero, when on the meridian directly below the pole the sidereal time is 12 hours, etc.
		γ Cassiopeiae is assumed to be a binary star containing a Be star and a neutron star.
		Cassiopeia contains two stars visible to the naked eye that rank among the brightest in the galaxy: ρ Cassiopeiae and V509 Cassiopeiae.
	encyclopedia.worldsearch.com /cassiopeia_(constellation).htm (438 words)

	Cassiopeia (constellation) (Site not responding. Last check: 2007-10-16)
		It is frequently used as a rough indicator of sidereal time; the leading bright star of the W, β Cassiopeiae;, called Caph, lies almost at zero hours right ascension and hence a line drawn through Polaris and β Cassiopeiae must pass close to the vernal equinox.
		Cassiopeia was the site of Tycho Brahe's supernova of 1572, and is also the location of Cassiopeia A, the strongest radio source in the sky (other than the sun).
		If we were to observe Earth's Sun from Alpha Centauri, it would appear to be in Cassiopeia.
	hallencyclopedia.com /Cassiopeia_(constellation) (618 words)

	Read about Cassiopeia (constellation) at WorldVillage Encyclopedia. Research Cassiopeia (constellation) and learn about ... (Site not responding. Last check: 2007-10-16)
		supernova of 1572, and is also the location of Cassiopeia A, the strongest radio source in the sky (other than the sun).
		Alpha Centauri, it would appear to be in Cassiopeia, at about 0.5 magnitude.
		Boast of Cassiopeia, with which it is usually identified.
	encyclopedia.worldvillage.com /s/b/Cassiopeia_(constellation) (458 words)

	Encyclopedia: Cassiopeia (constellation)
		The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object.
		Rho Cassiopeiae (also Rho Cas) is a yellow hypergiant in the Cassiopeia constellation.
		Rho Cassiopeiae (Rho Cas) is a so called hypergiant, one of the largest known stars.
	www.nationmaster.com /encyclopedia/Cassiopeia-%28constellation%29 (3621 words)

	Read about Cassiopeia (constellation) at WorldVillage Encyclopedia. Research Cassiopeia (constellation) and learn about ... (Site not responding. Last check: 2007-10-16)
		X-ray binary on the sky, no other X-ray binaries can be seen with naked eye.
		1572, and is also the location of Cassiopeia A, the strongest radio source in the sky (other than the
		Pegasus), and the constellation Cetus below Cepheus, this may be the source of the myth of the
	encyclopedia.worldvillage.com /s/b/Cassiopeia_%28constellation%29 (430 words)

	Constellation : Cassiopée - Cassiopea - Cas
		(gamma) Cassiopeiae est accompagnée à 2.3" d'une autre étoile de magnitude 10 très difficile à voir.
		R Cassiopeiae est distante de 800 années-lumière environ.
		A 0.5° environ au Sud-Ouest de NGC 663 se trouve NGC 659, amas ouvert en forme de X. Tout près apparaît la double jaune doré de magnitude 5.8, 44 Cassiopeiae, qui n'appartient probablement pas au groupe.
	www.astrosurf.com /astro_virtu/constell/f_co_cas.htm (761 words)

	Cassiopeia (constellation) - Unipedia (Site not responding. Last check: 2007-10-16)
		From the supplier: The gamma star in the constellation Cassiopeia has been identified as a strong source of x-rays.
		Some evidence suggested this star was a binary, but other data suggest gamma Cas has co-rotating clouds of matter magnetically anchored to its surface, although now significantly cooler clouds can exist close to a much hotter star has not been explained.
		This digital document is an article from Mercury, published by Astronomical Society of the Pacific on May 1, 1998.
	www.unipedia.info /Cassiopeia_(constellation).html (886 words)

	[No title]
		Según Garik Israelian, investigador del IAC y uno de los astrónomos del equipo internacional que ha observado esta estrella, la causa de las explosiones está relacionada con la gran masa de ro Cassiopeiae.
		Pero fue en 1945 cuando ro Cassiopeiae expulsó una envoltura masiva y fría que la oscureció durante algunos meses.
		Un comportamiento similar podrían tener otras dos estrellas: la V509 Cassiopeiae o HR 8752 y la IRC + 10420.
	www.ing.iac.es /PR/press/iac20030108.html (770 words)

	Cassiopeia %28constellation%29
		The goal of this project is to bring Linux to the Cassiopeia BE-300 PDA.
		Astronomiefreunde Cassiopeia e.V. Entstehung und Aktivitäten des Vereins werden vorgestellt, Termine veröffentlicht und Bilder astronomischer Ereignisse werden gezeigt.
		Astronomiefreunde Cassiopeia e.V. Entstehung und Aktivitäten des Vereins aus Saarlouis werden vorgestellt, Termine veröffentlicht und Bilder astronomischer Ereignisse werden gezeigt.
	www.omniknow.com /common/wiki.php?in=en&term=Cassiopeia_%28constellation%29 (639 words)

	AAVSO: Individual Variable Star Index
		SU Cassiopeiae, the Constant Period of {Katherine L. Rhode} 18.119
		Rho Cassiopeiae, The Application of Visual Observations to the Study of a Small-Amplitude Variable Star (Abstract) {Percy, John R., and David Keith} 13.42
		Rho Cassiopeiae, The Application of Visual Observations to the Study of a Small-Amplitude Variable Star {Percy, John R., and Virginia A. Fabro, David W. Keith} 14.1
	www.aavso.org /publications/journal/starindex.shtml (12038 words)

	Radial Velocity and Percise Mass Project (Site not responding. Last check: 2007-10-16)
		Photometry of yellow semiregular variables - HR 8752 (= V509 Cassiopeiae)
		The Light Variations of the Hypergiant HR 8752 (V509 Cas)
		The Last Maxima of HR 8752 = V509 Cas
	astrowww.phys.uvic.ca /~yang/stevi/v509cas.html (58 words)

	[No title] (Site not responding. Last check: 2007-10-16)
		We present calculations that correctly predict the outburst timescale, whereby the shell ejection is driven by the release of hydrogen ionization recombination energy.
		Title: The Millennium Outburst of the Cool Hypergiant rho Cassiopeiae: Spectroscopy and Modeling Authors: Lobel, A.; Dupree, A. K.; Stefanik, R. Torres, G.; Israelian, G.; Morrison, N.; de Jager, C.; Nieuwenhuijzen, H.; Ilyin, I.; Musaev, F. Journal: Modelling of Stellar Atmospheres, Poster Contributions.
		Repeated observations of these stars may help us to understand how massive stars pass the instability region during their evolution towards the blue supergiant phase.
	www.astro.uu.nl /~rutten/rrtex/bibfiles/ads/abs/dejager.txt (10349 words)

	[No title] (Site not responding. Last check: 2007-10-16)
		Light Curve of V509 Cas (V509 Cassiopeiae) from VSNET reports
		[vsnet] [www] [kusastro] [kyoto] V509 Cassiopeiae -recent -LCs
		[vsnet] [www] [kusastro] [kyoto] V509 Cassiopeia -recent -LCs
	vsnet.kusastro.kyoto-u.ac.jp /vsnet/LCs/index/CASV509.html (122 words)

	[No title] (Site not responding. Last check: 2007-10-16)
		Light Curve of V513 Cas (V513 Cassiopeiae) from VSNET reports
		[vsnet] [www] [kusastro] [kyoto] V513 Cassiopeiae -recent -curve
		[vsnet] [www] [kusastro] [kyoto] V513 Cassiopeia -recent -curve
	vsnet.kusastro.kyoto-u.ac.jp /vsnet/LCs/index/CASV513.html (113 words)

	AAVSO in Print
		A 100 Year Period Study of V523 Cassiopeiae: A Triple Star System?
		The Nature of the Eclipsing Binary LD 328
		"Photometry of Yellow Semi-Regular Variables: HR8752 (V509 Cas)" by John R. Percy and Endre Zsoldos, A&A, 263, 123-128 (1992).
	www.aavso.org /publications/inprint.shtml (6880 words)

	Cassiopeia (constellation) (Site not responding. Last check: 2007-10-16)
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