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Topic: S Andromedae

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	Andromeda Galaxy information - Search.com
		Andromeda was believed to be the dominant galaxy of the Local group of galaxies, which consists of the Andromeda Galaxy, the Milky Way Galaxy, and the Triangulum Galaxy, and about 30 other smaller galaxies.
		The Andromeda Galaxy is easily visible to the naked eye in a moderately dark sky; however, such a sky is available only in smaller towns and isolated areas reasonably far from population centers and sources of light pollution.
		The spiral arms of Andromeda are outlined by a series of H II regions that Baade described as resembling "beads on a string".
	www.search.com /reference/Andromeda_Galaxy (3148 words)

	CANOPUS 03/09 - Variable Stars VI (Site not responding. Last check: 2007-10-17)
		If S Andromedae was an ordinary rapid nova which dims through 13 magnitudes, it had to fade from magnitude 6 to magnitude 19 or dimmer.
		In 1885 it was found that S Andromedae outshone the nucleus of M31.
		100 years after S Andromedae appeared Robert A Fesen and his colleagues succeeded in 1985 in photographing the remnant of S Andromedae by means of a CCD and the 4 metre telescope of Kitt Peak.
	www.aqua.co.za /assa_jhb/new/Canopus/Can2003/c039LitU.htm (992 words)

	Andromeda Galaxy
		Andromeda can be seen by Human eyes from Earth without a telescope as a "little cloud" (see Akira Fujii's photo to better relate the galaxy's location to the brightest stars of Constellation Andromeda).
		Andromeda has a bright disk that is now believed to span as much as 228,000 ly in width (Chapman et al, 2005).
		Andromeda's satellite (or "companion") galaxies include M32 and M110, two bright dwarf elliptical galaxies that are the brightest of a swarm of smaller companions.
	www.solstation.com /x-objects/andromeda.htm (2401 words)

	Andromedia Galaxy & Constellation - Crystalinks
		The Andromeda Galaxy (also known as Messier Object 31, M31, or NGC 224; older texts often call it the Andromeda Nebula) is a giant spiral galaxy in the Local Group, together with the Milky Way galaxy.
		The Andromeda Galaxy is easily visible to the naked eye in a truly dark sky; however, such a truly dark sky is available only in relatively few, isolated areas very far from population centers and sources of light pollution.
		In Greek mythology, Andromeda was the daughter of Cepheus and Cassiopeia, king and queen of Ethiopia.
	www.crystalinks.com /andromeda.html (1421 words)

	S Andromedae
		Also known as Supernova 1885, the only supernova seen to date in the Andromeda Galaxy and the first supernova observed beyond our own galaxy.
		It was recorded on Aug. 20, 1885, by Ernst Hartwig (1851-1923) at Dorpat Observatory in Estonia; others discovered it independently, but Hartwig was the first to realize its significance.
		S Andromedae reached magnitude 6 between Aug. 17 and 20, and had faded to magnitude 16 by February 1890.
	www.daviddarling.info /encyclopedia/S/S_Andromedae.html (98 words)

	Browse BookRags
		Sé is a Portuguese parish in the municipality of Bragança.
		Sé is a parish in the district and a suburb of Funchal in the Madeira Islands and is the smallest parish in population.
		S M von Rothschild was a banking enterprise established in 1820 in Vienna, Austria-Hungary by Salomon Mayer Rothschild, the founder of the Rothschild banking family of Austria and a member of the Mayer Amschel Rothschild family of Frankfur...
	www.bookrags.com /browse/S (2333 words)

	[7.0] The Milky Way Galaxy
		The assumption behind the calculation that gave 1,600 light-years was that Nova Persei and S Andromedae were roughly as bright, and in fact it was an assumption that S Andromedae was actually in the Andromeda Nebula.
		For all anyone knew, S Andromedae could have been much closer than the Andromeda Nebula and just happened to be on the same line of sight.
		Hubble used the Hooker telescope to resolve stars in the Andromeda Nebula, proving that it was not a cloud of gas, and in 1923 he spotted a Cepheid variable that allowed him to estimate its distance as 800,000 light-years.
	www.vectorsite.net /tastgal_07.html (6822 words)

	M31-The Andromrda Galaxy
		It was William Huggins, the pioneer of spectroscopy, who noted in 1864 the difference between gaseous nebula with their line spectra and those "nebulae" with star-like, continuous spectra, which we now know as galaxies, and found a continuous spectrum for M31 (Huggins and Miller 1864).
		The brightest star cloud in the Andromeda galaxy M31 has been assigned an own NGC number: NGC 206, because William Herschel had taken it into his catalog as H V.36 on the grounds of his discovery observation of October 17, 1786.
		In the second case, the duplicity of Andromeda's nucleus would be an illusion causes by a dark dust cloud obstructing parts of a single nucleus in the center of M31.
	www.astral-imaging.com /M31WideField.htm (1452 words)

	S Andromedae: Supernova 1885 in M31
		Supernova 1885, also later named S Andromedae (for the second variable to be discovered in constellation Andromeda), was the first supernova discovered beyond our Milky Way galaxy, on August 20, 1885, by Ernst Hartwig (1851-1923) at Dorpat Observatory in Estonia.
		It reached mag 6 between August 17 and 20, and it was independently found by several observers.
		Discovery of the remnant of S Andromedae (SN 1885) in M31.
	www.seds.org /messier/more/m031_sAnd.html (219 words)

	Galaxy
		An E indicates a type of elliptical galaxy; an S is a spiral, and SB is a barred-spiral galaxy
		In the Hubble classification scheme, spiral galaxies are listed as type S, followed by a letter (a, b, or c) that indicates the degree of tightness of the spiral arms and the size of the central bulge.
		Studies show that the Milky Way galaxy is moving towards the nearby Andromeda Galaxy at about 130 km/s, and depending upon the lateral movements, the two may collide in about five to six billion years.
	www.wikipediaondvd.com /nav/art/v/m.html (5486 words)

	Upsilon Andromedae - Wikipedia, the free encyclopedia
		Upsilon Andromedae is located fairly close to our solar system: the parallax of Upsilon Andromedae A was measured by the Hipparcos astrometry satellite as 74.25 milliarcseconds, corresponding to a distance of 13.5 parsecs.
		Upsilon Andromedae B is a red dwarf of spectral type M4.5V located at a projected distance of 750 AU from the primary star.
		The innermost planet of the Upsilon Andromedae A system was discovered in 1996 and announced in January of 1997, together with the planet of Tau Boötis and the innermost planet of 55 Cancri A.
	en.wikipedia.org /wiki/Upsilon_Andromedae (902 words)

	S Andromedae - Bad Astronomy and Universe Today Forum
		The strange thing however is that - in a time when the distance of the Andromeda nebula was known, but the remnants of the star were not yet found - everyone was nevertheless sure that the star really had exploded that far outside of our own galaxy.
		And according to me there is no proof that the remnants found in the Andromeda galaxy really are the remnants of that particular star seen in 1885.
		As for recent findings, if you have any information which would cast doubt on the findings of the professionals who have studied S Andromedae, please be more specific with it.
	www.bautforum.com /questions-answers/60925-s-andromedae.html (1101 words)

	AAVSO: Observing Campaign: Request to monitor PQ Andromedae for HST observations
		Observers are requested to perform nightly observations of PQ Andromedae in the two weeks prior to the HST observing window, and intensive observations during the window.
		PQ Andromedae is clearly detected, but there are several bright stars nearby that will likely saturate, notably a V ∼ 9.2 comparison star a few arcminutes southwest of the star.
		Observers are asked to monitor PQ Andromedae (RA: 02h 29m 29.61s, Dec: +40d 02m 40.0s, J2000) nightly for the two weeks beginning 2007 August 27 UT. Visual observers please observe this object as normal, and report the faintest comparison star magnitude you can detect if unable to reach PQ Andromedae itself.
	www.aavso.org /news/pqand.shtml (749 words)

	SkyandTelescope.com - News from Sky & Telescope - A Planet that Runs Hot and Cold
		Upsilon Andromedae's inner planet is baked to high temperatures due to its proximity to the host star.
		Spitzer observed the star over a five-day period and found that its infrared emission (a measure of heat) brightened and dimmed in sync with the planet's orbital motion — a result of the planet showing different hemispheres to Spitzer as it went around the star.
		The planet is so close to Upsilon Andromedae that it must be tidally locked, meaning it always shows the same hemisphere to the star, just as the Moon shows only one face to Earth.
	www.skyandtelescope.com /news/4458817.html (361 words)

	The Upsilon Andromedae System
		However, in the case of Upsilon Andromedae the novel fact is the idea that various planets exist, and not simply a singular planet revolving around a star.
		And, as we have argued throughout our research writings, many of the coincidences in numbers of the ancient reckoning systems, we believe, are due to the coincidences of numbers in reality.
		As we may observe from the previous analysis, the numbers of the Upsilon Andromedae system are quite relational to the historically significant numbers/fractals of the ancient reckoning systems, as well as to nature which is after all logical.
	www.earthmatrix.com /andromedae/system.htm (2967 words)

	eSky: Nu Andromedae (Site not responding. Last check: 2007-10-17)
		Nu Andromedae is relatively faint in its own right, but it is important as being the nearest star to the Andromeda Galaxy that is visible to the naked eye.
		With Mu Andromedae, it forms the end of a line leading from the much brighter Mirach to the Galaxy itself.
		The spectral structure of Nu Andromedae's light marks it as a blue dwarf star, and also suggests that it might be part of a binary system, with a yellow companion star.
	www.glyphweb.com /esky/stars/nuandromedae.html (80 words)

	Stellar NightsÂ® » VOL. 1 NO. 12
		At modern times, the Andromeda galaxy is certainly the most studied "external" galaxy.
		The Andromeda Galaxy is in notable interaction with its companion M32, which is apparently responsible for a considerable amount of disturbance in the spiral structure of M31.
		The arms of neutral hydrogene are displaced from those consisted of stars by 4000 light years, and cannot be continuously followed in the area closest to its smaller neighbor.
	www.sflorg.com /stellar_nights/?p=22 (1788 words)

	Automated Astronomy Group
		S., and Henry, G. Astronomy and Astrophysics 321, 811, 1997.
		S., Henry, G. W., Lovell, L. P., Stephan, C. A., Chambliss, C. Detterline, P. K., Landis, H. J., Louth, H., Renner, T. R., and Skillman, D. Astrophysics and Space Science 89, 53, 1983.
		S., Henry, G. W., Vaucher, C. A., Chambliss, C. R., Detterline, P. Landis, H. J., Wasatonic, R. P., Louth, H., Renner, T. R., Bloschak, A. Gillman, J. S., Krahnert, A. C., and McGuinness, B. Astrophysics and Space Science 87, 305, 1982.
	schwab.tsuniv.edu /henrypubs.html (8339 words)

	[No title]
		1885, the star S Andromedae became the first supernova to be spectroscopically studied, and Vogel was 3 nights ahead of his rivals in that observation.
		The rotation of the Andromeda galaxy was measured in 1915, using the inclination of the spectral lines, and in 1913 he found that NGC 4594 was also rotating, though he did not release the result until he got another spectrograph a year later.
		Nebulae such as the Merope nebula in the Pleiades were shown to be shining by reflected starlight, interpreted to indicate that the nebula was in fact a dust cloud.
	home.europa.com /~telscope/histspec.txt (5290 words)

	RedOrbit - Space - NASA's Spitzer Sees Day and Night on Exotic World (Site not responding. Last check: 2007-10-17)
		Upsilon Andromedae b does not cross behind or in front of its star, but is always in Earth's line of sight.
		Upsilon Andromedae b was discovered in 1996 around the star Upsilon Andromedae, which is 40 light-years away and visible to the naked eye at night in the constellation Andromeda.
		Upsilon Andromedae is circled by two other known planets located farther out than Upsilon Andromedae b.
	www.redorbit.com /news/space/690577/nasas_spitzer_sees_day_and_night_on_exotic_world/index.html?source=r_space (695 words)

	The Andromeda Observatory
		Although challenged by the large galaxy in Triangulum (M33), the Andromeda Galaxy is generally regarded as the most distant object visible to the human eye.
		At a distance of 2.52 million light years, it appears as a fuzzy patch of light in the night sky.
		This was a supernova seen to erupt in the galaxy in 1885.
	kdeakes.brinkster.net /andromeda.aspx (298 words)

	systemic - Console Tutorial #2
		The star Upsilon Andromedae lies roughly 40 light years away in the constellation Andromeda, and it is visible to the naked eye if you know where to look.
		Because of Upsilon Andromedae’s relative brightness and proximity, and because it is fairly similar to the Sun, it was among the original group of 50-odd stars surveyed for planets by Marcy and Butler with the radial velocity technique.
		For Upsilon Andromedae, however, the complexity of the radial velocity data set hints at the presence of several significant planets with different periods.
	oklo.org /?page_id=7 (1593 words)

	[No title]
		1885, the star S Andromedae became the first supernova to be spectroscopically studied, and Vogel was 3 nights ahead of his rivals in that observation.
		The rotation of the Andromeda galaxy was measured in 1915, using the inclination of the spectral lines, and in 1913 he found that NGC 4594 was also rotating, though he did not release the result until he got another spectrograph a year later.
		Nebulae such as the Merope nebula in the Pleiades were shown to be shining by reflected starlight, interpreted to indicate that the nebula was in fact a dust cloud.
	www.europa.com /~telscope/histspec.txt (5290 words)

	AAVSO: Z And, October 2000 Variable Star Of The Month
		As the prototype symbiotic star, Z Andromedae is one of the most observed and well-studied stars of its class.
		Symbiotic stars are further divided into two categories as defined by their near-infrared properties: the S (stellar) type and the D (dusty) type.
		"The majority of the systems (~80%) belong to the S Class and have near-IR colors consistent with the stellar photospheric temperatures of 3000 K to 3500 K. A few other objects are the D-type systems and their near-IR colors indicate the presence of thermal radiation from hot (T ~ 1000 K) dust" (Mikolajewska 1992).
	www.aavso.org /vstar/vsots/1000.shtml (2446 words)

	Supernova
		Supernovae SN 1572 and SN 1604, the last to be observed in the Milky Way galaxy, had notable effects on the development of astronomy in Europe because they were used to argue against the Aristotelian idea that the world beyond the Moon and planets was immutable.
		Since the development of the telescope, the field of supernova discovery has enlarged to other galaxies, starting with the 1885 observation of supernova S Andromedae in the Andromeda galaxy.
		During the twentieth century, successful supernova models for each type of supernovae were developed, and scientists' comprehension of the role of supernovae in the star formation process is growing.
	www.1bx.com /en/Supernova.htm (5039 words)

	Extrasolar Visions - upsilon Andromedae d
		Upsilon Andromedae made history recently with the discovery that the star parented not just one planet, but three.
		If this is happening within the upsilon Andromedae system, then great areas of the icy moons of the outermost planet may have been melted smooth by these titanic stellar eruptions.
		On the equator of gas giant upsilon Andromedae d, we float above the main cloud deck of water ice clouds.
	www.extrasolar.net /planet.asp?PlanetID=73 (472 words)

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