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Topic: Alpha Persei

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	Nebeski dogadjaji - Duboki svemir
		Alfa Persei je ogromna zvezda udaljena 570 s.g.
		Pozicija R.A. Ova zvezda je nekim atlasima i mapama obelezena i kao "Algenib", isto kao i Gamma Pegasi i Alpha Persei.
		Među najsjajnijim članovima grupe su i Omicron Persei, Xi Persei, 40 i 42 Persei, dvostruka zvezda Sigma 448 i oko 15 drugih članova čija je magnituda preko 6-te magnitude.
	www.astronomija.co.yu /ovogmeseca/dogadjaji/nd2003/oktobar/ds2.htm (3154 words)

	Les étoiles les plus brillantes (Site not responding. Last check: 2007-11-05)
		Alpha Canis Majoris Sirius 06 45 -16.7 227.2 -8.9 A1V -1.44 1.45 379.21 1.58 9 2.
		Alpha Canis Minoris Procyon 07 39 +5.2 213.7 +13.0 F5IV-V 0.40 2.68 285.93 0.88 11 9.
		Delta Persei 03 43 +47.8 150.3 -5.8 B5III 3.01 -3.04 6.18 0.85 530 178.
	atunivers.free.fr /stars.html (4639 words)

	Google Search: Nova Persei
		...stars-Nova Aurigae (1892) and Nova Persei (1901)-and of...
		...abgestoen werden, wie z.B. bei Nova Persei 1901.
		...Nebula, Cassiopeia A, and Nova GK Persei 1995AandA...293L..49G...
	www.sidis.net /Google%20Search%20Nova%20Persei.htm (1619 words)

	Perseus (Site not responding. Last check: 2007-11-05)
		When flying back (we do not know, whether on the back of Pegasus or by means of winged sandals) he saw Andromeda chained to the rock and saved her from a certain death in the claws of Cetus, the sea monster.
		Alpha Persei - Algenib, Mirfak, 1.8 mag, is a yellow supergiant in the middle of a loose open star cluster known as the moving cluster of Alpha Persei - its members move in the same direction.
		Beta Persei - Algol (Demon Star) is the bestknown eclipsing binary, situated at a distance of 93 light-years.
	www.avastronomyclub.org /const/perseus.htm (252 words)

	Iota Persei
		Iota Persei is located about 34.4 light-years (ly) from Sol.
		The star can be found next to Mirfak (Alpha Persei), northwest of Delta Persei, northeast of Algol (Beta Persei), and southwest of Tau, Eta, and Gamma Persei.
		The celestial figure of Perseus is thought to held the head of Medusa in his hand, where the star Algol or Beta Persei represents her evil eye.
	www.solstation.com /stars2/iota-per.htm (612 words)

	Perseus the Hero
		Alpha Persei, Mirfak (03h 24 m +49°52m) Mirfak is a white class F5 supergiant, 500 light years distant.
		Beta Persei, Algol (03h 08m +40°57') The name Algol means the head of the demon, and it is associated with the head of Medusa that Perseus killed.
		Epsilon Persei (03h 58m +40°01') This blue-white class B0 star has a magnitude of 2.9 and is about 700 light years distant.
	starryskies.com /The_sky/constellations/perseus.html (738 words)

	[22.05] Anomalous Colors of Spotted Variable Stars in the Alpha Persei Cluster (Site not responding. Last check: 2007-11-05)
		We present time-series photometry in BVRI of several spotted G-K stars in the Alpha Persei open cluster.
		Such stars are known to have anomalous colors, particularly but not exclusively in B-V, which need to be accounted for in the determination of cluster distances from main-sequence fitting.
		We describe a method for correcting the anomalous colors once vsini or the rotation period is known, and provide a new measurement of the distance and age of Alpha Persei.
	www.aas.org /publications/baas/v36n5/aas205/432.htm (145 words)

	LISTA DELLE STELLE PIù LUMINOSE (Site not responding. Last check: 2007-11-05)
		Sirio (Alpha Canis Majoris), sequenza principale, tipo A1 (-1,6)
		Procione (Alpha Canis Minoris), sequenza principale, tipo F8
		Regolo (Alpha Leonis), sequenza principale, tipo B (?)
	www.24pm-affiliation.com /encyclopedia/L/Lista_delle_stelle_pi%F9_luminose (96 words)

	* Alpha Persei - (Astronomy): Definition
		Mirfak = Alpha Persei Algol = Beta Persei &* Gamma Per = Gamma Persei Delta Per = Delta Persei Eps Per = Epsilon Persei Zeta Per = Zeta Persei Iota Per...
		Alnitak -- Alniyat -- Alpha Centauri -- Alpha Centauri B -- Alpha particle -- Alpha Persei -- Alpha process -- Alpher-Bethe-Gamow theory -- Alpheratz -- Alphonsine...
		The star can be found next to Mirfak (Alpha Persei), northwest of Delta Persei, northeast of Algol (Beta Persei), and southwest of Tau,...
	en.mimi.hu /astronomy/alpha_persei.html (156 words)

	* Alpha Pegasi - (Astronomy): Definition
		Markab = Alpha Pegasi Scheat = Beta Pegasi Algenib = Gamma Pegasi alpheratz = Gamma Pegasi = Alpha Andromedae Enif = Epsilon Pegasi Matar = Eta Pegasi
		The remaining three stars of the Square are are Alpha Pegasi, also known as Markab from the Arabic for ‘shoulder’...
		The great square is formed by alpha Pegasi, (or Markab, "the Saddle"), beta Pegasi, (or Scheat or Menkhib, "the Horse's Shoulder"), gamma Pegasi, (or Algenib,...
	en.mimi.hu /astronomy/alpha_pegasi.html (176 words)

	Perseu (Site not responding. Last check: 2007-11-05)
		Perseu não tem um asterismo muito claro; algumas formas da constelação têm uma linha recta de alpha até theta, talvez indicando a espada de Perseu ou a foice com que matou a Medusa.
		Beta Persei (Algol) é um binário eclipsante tipo EA, que muda de 2.12 até 3.39 em cada 2.8673 dias (2d 20h 48m 56s) à medida que a companheira eclipsa a primária.
		R Persei é uma variável de longo período, variando entre 8.1 e 14.8 em cada 209.89 dias.
	www.ga-esec-pinheiro-rosa.rcts.pt /constelacoes_antiga/perseu.htm (1317 words)

	Alpha Persei - Cúmulos estelares - Imágenes digitales astronómicas (Site not responding. Last check: 2007-11-05)
		Alpha Persei - Cúmulos estelares - Imágenes digitales astronómicas
		The wide spread star cluster of Alpha Persei (Melotte 20) can be seen easily by naked eye in the constellation of Perseus.
		The brightest star of Perseus, Algenib or Alpha Persei, is seen at upper right and gives the cluster its name.
	www.allthesky.com /clusters/alphaper-e.html (123 words)

	What's Up - Featured Deep Sky Objects
		Alpha Persei (Mirfak) is both the brightest star in the constellation and the centerpiece of a rich gathering of stars referred to as the "Perseus I Association".
		The name Mirfak, while exotic sounding to English speaking ears, means "the elbow", a simple description of its place in the constellation pattern.
		In our sky, the central core of this pretty star-patch is about six degrees or 12 full moons across, and makes a wonderful place to explore with minimal or even no optical aid.
	www.sciencecenter.net /whatsup/12/a-per.htm (157 words)

	Three-Dimensional Fabry-Perot Imaging of Filamentary Structures in Cas A and Nova GK Persei (Site not responding. Last check: 2007-11-05)
		Previous two-dimensional spectroscopy of Cas A and Nova GK Persei has shown that these objects have significant asymmetries and anisotropies in their filamentary structures, velocity fields and elemental abundance distributions.
		For Cas A, the distribution of the quasi-stationary flocculi was derived from $\hbox{H} \alpha\ +$ [NII] $\lambda\lambda$6548, 6583 emission with 150 km $\hbox{s}^{-1}$ resolution, and the distribution of the fast-moving knots from [SII] $\lambda\lambda$6717, 6731 emission with 550 km $\hbox{s}^{-1}$ resolution.
		For Nova GK Persei, a model was constructed from $\hbox{H} \alpha\ +$ [NII] $\lambda\lambda$6548, 6583 emission with a resolution of 150 km $\hbox{s}^{-1}$.
	www.aas.org /publications/baas/v25n2/aas182/abshtml/S213.html (216 words)

	[No title] (Site not responding. Last check: 2007-11-05)
		His thesis was entitled "Low-mass Membership of the Open Clusters Alpha Persei and IC 4665." While at UCSC, Charles primarily worked with Burton Jones and Robert Kraft, and he maintained collaborations with them throughout his too-brief career.
		The main goal for that grant was a multi-wavelength observational study of the nearest open clusters in order to develop better (more complete, to lower masses) membership lists for those clusters and to use the new data for the cluster members to constrain theoretical evolutionary models of low mass stars.
		Charles was the world's expert on the Alpha Persei cluster, with most of the known members of the cluster having been identified by him from his proper motion membership studies or from deep, CCD imaging surveys.
	spider.ipac.caltech.edu /staff/stauffer/opencl/charles.obituary.aas (634 words)

	Learn more about List of brightest stars in the online encyclopedia. (Site not responding. Last check: 2007-11-05)
		Procyon (Alpha Canis Minoris) Class F8 main sequence
		Fomalhaut (Alpha Piscis Austrini) Class A main sequence
		Regulus (Alpha Leonis) Class B main sequence (?)
	www.onlineencyclopedia.org /l/li/list_of_brightest_stars.html (153 words)

	SCYON: Paper abstracts (Site not responding. Last check: 2007-11-05)
		Spectroscopic radial velocities for several nearby open clusters suggest that spectra of (especially earlier-type) rapidly rotating stars are systematically blueshifted by 3 km/s or more, relative to the spectra of slowly rotating ones.
		Comparisons with astrometrically determined radial motions in the Hyades suggests this to be an absolute blueshift, relative to wavelengths naively expected from stellar radial motion and gravitational redshift.
		Analogous trends are seen also in most other clusters studied (Pleiades, Coma Berenices, Praesepe, Alpha Persei, IC 2391, NGC 6475, IC 4665, NGC 1976 and NGC 2516).
	obswww.unige.ch /webda/scyon/Madsen_2.html (198 words)

	Perseus
		Perseus isn't a very clear asterism; some forms of the constellation have a straight line from alpha to theta, perhaps indicating Perseus' sword or sickle that he used to kill the Medusa.
		Epsilon Persei is rather difficult because of the dim companion: 2.9, 8.1; PA 10º, separation 8.8".
		Beta Persei (Algol) is a notable EA type eclipsing binary, changing from 2.12 to 3.39 every 2.8673 days (2d, 20h 48m 56s) as the companion eclipses the primary.
	www.dibonsmith.com /per_con.htm (1408 words)

	Perseus (Site not responding. Last check: 2007-11-05)
		The main body of Perseus, surrounding the bright star Mirfak (Alpha Persei), streams within the Milky Way to the left of center.
		Most of the stars clumped around Mirfak are part of the Alpha Persei cluster.
		To the right of center and a bit above Mirfak is the bright and famed eclipsing double star Algol, Beta Persei, which represents the head of the Medusa, one of the Gorgons.
	www.astro.uiuc.edu /~kaler/sow/per-p.html (216 words)

	[No title]
		A comparison of the Pleiades to the Alpha Persei cluster shows that most Alpha Persei stars have Li abundances comparable to their Pleiades counterparts, but there is a significant fraction (about 30%) of Alpha Persei stars that lie below the Pleiades in N(Li) by 1 dex or more.
		If these stars are bona fide Alpha Persei members (and they probably are), their Li abundances strain our understanding of Li depletion.
		The Pleiades, considered together with Alpha Persei and the Hyades, shows that stars with [Fe/H] >= 0.0 and which are more massive than about 1.25 M(sun) do not deplete Li prior to reaching main the sequence.
	www.journals.uchicago.edu /AAS/cdrom/volume4/volume1/aj/v106/p1059/table.doc (1308 words)

	Roaming the Deep Sky #8
		Occupying the hub of this system of apparent star chains, is Alpha Persei, or Mirphak (the address for the home page of this wonderful web site by James Kaler is http://www.astro.uiuc.edu/~ekaler/sow/sow.html).
		On this chain, the next star to the south of Mirphak is the magnitude 5.0 star, Kappa Persei.
		Between Mirphak and Kappa Persei, a bit closer to Kappa, is NGC1245.
	home.insightbb.com /~lasweb/lessons/RDS08-NGC1245.htm (556 words)

	AAVSO: GK Per, November 2000 Variable Star Of The Month
		His first feeling was one of disappointment because he felt sure that this star had been there for some time, escaping his notice, and he grudged the time lost when he might have been regarding it.
		In the year 1901, after GK Persei underwent its classical nova outburst, there was a discovery that excited the astronomical community of the day.
		This energetic star can be found in the region between the famous variable Algol (Beta Persei), and the brightest star of the constellation, Alpha Persei.
	www.aavso.org /vstar/vsots/1100.shtml (2163 words)

	[No title]
		Alpha Per: Basri & Martin 1998 paper providing Keck echelle info for faint AP stars.
		Initial selection of charts are given for Alpha Persei and IC 4665 clusters.
		Postscript copies of the Alpha Persei APX I. papers made available under list of clusters.
	www.noao.edu /noao/staff/cprosser/updates.html (238 words)

	Google Search: Nova Persei
		GK Per (Nova Persei 1901) DQ Her (Nova...
		...1996 dwarf nova outburst of the intermediate polar GK Persei...
		...(AandA, 1996, 307, 708) Persei Nova 1992 (Sv.
	www.sidis.net /Google%20Search%20Nova%20Persei2.htm (1654 words)

	UBVRI photometric monitoring of 7 rapidly rotating late-type dwarfs in the Alpha Persei cluster
		UBVRI photometric monitoring of 7 rapidly rotating late-type dwarfs in the Alpha Persei cluster
		The shape of the light curves suggests that the photometric variations are most often dominated by a single group of cool spots located at intermediate or high latitude on the stellar surface.
		Assuming that starspots are good tracers of the stellar magnetic field, the smooth light curves indicate the existence of a large scale, slowly varying magnetic structure at the surface of these ultrafast rotators.
	www.edpsciences.org /articles/astro/abs/1996/16/ds4946/ds4946.html (179 words)

	Multiplicity Survey of Alpha Persei: Studying the Effects and Evolution of Companions (Site not responding. Last check: 2007-11-05)
		Multiplicity Survey of Alpha Persei: Studying the Effects and Evolution of Companions
		In order to investigate the large discrepancy between the companion star fraction (csf) of young T Tauri stars and older field stars and to study the role of binarity in stellar rotational evolution, we have conducted a 2.2 \mum speckle imaging survey of 106 members of the young (50-70 Myr) open cluster \alpha Persei.
		Further analysis of the \alpha Persei data will cover a wider separation range, allowing an investigation of the distribution of binary separations.
	www.aas.org /publications/baas/v30n2/aas192/abs/S054005.html (144 words)

	I. $UBV$ photometry of selected members of the Pleiades and Alpha Persei clusters in 1999
		However, the upper envelope of the amplitude values must be considered, since the rotational modulation amplitude represents a lower limit of the spots and faculae coverage, being their visibility modulation reduced by several factors.
		In order to determine accurately the maximum amplitude upper envelope and its dependence on global stellar parameters a program of photometric monitoring of ultra fast rotating active members of the Pleiades and Alpha Persei star clusters was undertaken in the fall of 1999.
		Light curves and period determinations of 21 target stars are presented as result from the first observing season.
	www.edpsciences.org /articles/aa/abs/2001/21/aah2441/aah2441.html (242 words)

	table of contents for 1993 March (Site not responding. Last check: 2007-11-05)
		Photometric Light Curves for Ten Rapidly Rotating Stars in Alpha Persei, the Pleiades, and the Field, CHARLES F. STAUFFER, and BURTON F. The Peculiar Nature of BD +24 676, EDUARDO L. The He I lambda-6678 Emission Line of Phi Persei: New Evidence of the Companion Star, DOUGLAS R. PENNY and DAVID MCDAVID
		The periods and light curves for seven alpha Persei members, two Pleiades members, and one nake T Tauri field star are report.
		The program objects are 119 CE Tau, alpha Ori, 6 BU Gem, Psi^1 Aur, 72 Leo, V CVn, alpha Sco, alpha^1 Her, mu Cep, VV Cep, and beta Peg.
	pasp.phys.uvic.ca /content/contents_93_03.html (4702 words)

	Roaming the Deep Sky #15
		Melotte 20 is a large, nearby group of related stars.
		This group of young blue-white stars, along with the orange supergiant, Mirphak (Alpha Persei), all share a common proper motion
		The entire complex is about three degrees in diameter and several of the brighter members are easily visible to the naked eye.
	home.insightbb.com /~lasweb/lessons/RDS15-Melotte20.htm (666 words)

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