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Encyclopedia > 10 Tauri
10 Tauri
Observation data
Equinox J2000
Constellation Taurus
Right ascension 03h 36m 52.38s
Declination +00° 24′ 06.0″
Apparent magnitude (V) 4.28
Characteristics
Spectral type F9 IV-V
U-B color index 0.07
B-V color index 0.57
Variable type None
Astrometry
Radial velocity (Rv) +27.6 km/s
Proper motion (μ) RA: -232.68 mas/yr
Dec.: -481.98 mas/yr
Parallax (π) 72.89 ± 0.78 mas
Distance 44.7 ± 0.5 ly
(13.7 ± 0.1 pc)
Absolute magnitude (MV) 3.59
Details
Mass 1.6 M☉
Radius 1.6 R☉
Luminosity 3 L☉
Temperature  ? K
Metallicity 63–120 % Sun
Rotation  ?
Age 4–6 × 109 years
Other designations
GJ 147, HR 1101, BD -00°572, HD 22484, LHS 1569, LTT 11194, GCTP 753.00, SAO 111292, FK5 1101, HIP 16852.

10 Tauri is a star in the constellation Taurus. This star is located about 45 light years from the Sun. It is slightly more massive and luminous than the Sun, and is about the same age or older. Spectral classification places it between a dwarf and sub-giant, so it appears to be a well-evolved star that may be near the end of its time on the main sequence. It is a suspected spectroscopic binary, although this has not been confirmed. When viewed through a telescope, this star also has a line-of-sight companion. From the Glossary of Astronomical Terms by the Harvard-Smithsonian Center for Astrophysics: Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. ... This article or section does not cite its references or sources. ... For other uses of the word Taurus see Taurus. ... Equatorial Coordinates Right ascension (abbrev. ... In astronomy, declination (abbrev. ... // Headline text HEY!! HOW ARE YOU ALL?? Its nice of you to come read this page. ... In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequently refined in terms of other characteristics. ... In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. ... In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. ... Most stars are of almost constant luminosity. ... This article does not cite its references or sources. ... Radial velocity is the velocity of an object in the direction of the line of sight. ... kilometre per second is an SI derived unit of both speed (scalar) and velocity (vector), signified by the symbol km/s or km s-1. ... The proper motion of a star is the motion of the position of the star in the sky (the change in direction in which we see it, as opposed to the radial velocity) after eliminating the improper motions of the stars, which affect their measured coordinates but are not real... A milliarcsecond (m, mas) , or a thoundsanth of an arcsecond. ... A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... A milliarcsecond (m, mas) , or a thoundsanth of an arcsecond. ... A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... This does not cite its references or sources. ... A milliarcsecond (m, mas) , or a thoundsanth of an arcsecond. ... Distance is a numerical description of how far apart things lie. ... A light-year or lightyear, symbol ly, is a unit of length. ... Stellar parallax motion The parsec (symbol pc) is a unit of length used in astronomy. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standard luminosity distance away from us, in the absence of interstellar extinction. ... Unsolved problems in physics: What causes anything to have mass? Mass is a property of a physical object that quantifies the amount of matter and energy it is equivalent to. ... In astronomy, the solar mass is a unit of mass used to express the mass of stars and larger objects such as galaxies. ... Remote Authentication Dial In User Service (RADIUS) is an AAA (authentication, authorization and accounting) protocol for applications such as network access or IP mobility. ... In astronomy, the solar radius is a unit of length used to express the size of stars and larger objects such as galaxies. ... Luminosity has different meanings in several different fields of science. ... The solar luminosity, , is a unit of luminosity (power emitted in the form of photons) conventionally used by astronomers to give the luminosities of stars. ... Fig. ... The Kelvin scale is a thermodynamic (absolute) temperature scale where absolute zero—the lowest possible temperature where nothing could be colder and no heat energy remains in a substance—is defined as zero kelvin (0 K). ... The globular cluster M80. ... A sphere rotating around its axis. ... This article is about the astronomical object. ... A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... The Henry Draper Catalogue is an astronomy catalogue with astrometric and spectroscopic data about more than 225,000 stars. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... Smithsonian Astrophysical Observatory Star Catalog contain the 258,996 stars. ... Fifth Fundamental Catalogue is a glossary of positions of stars. ... In astronomy, many stars are referred to simply by catalogue numbers. ... This article is about the astronomical object. ... This article or section does not cite its references or sources. ... For other uses of the word Taurus see Taurus. ... A light-year or lightyear, symbol ly, is a unit of length. ... The Sun is the star at the center of the Solar System. ... Hertzsprung-Russell diagram The main sequence of the Hertzsprung-Russell diagram is the curve where the majority of stars are located in this diagram. ... A spectroscopic binary star is a binary star which cannot be resolved as a visual binary, even with telescopes of the highest existing resolving power. ...


A debris disk has been identified around this star, based on excess infrared radiation detected by IRAS/ISO.[1]


References

  1. ^ J.S. Greaves, D.A. Fischer, M.C. Wyatt (2006). "Metallicity, Debris Discs and Planets". Monthly Notices of the Royal Astronomical Society 366: 283-286.

External links

  • HD 22484 -- High proper-motion Star (English). SIMBAD. Retrieved on 2006-08-10.
  • 4C00315 (English). ARICNS (1998-03-04). Retrieved on 2006-08-10.
  • 10 Tauri (English). Internet Stellar Database. Retrieved on 2006-08-10.

  Results from FactBites:
 
T Tauri star (379 words)
T Tauri stars are found only in nebulae or very young clusters, have low-temperature (G to M type) spectra with strong emission lines and broad absorption lines.
The weak T Tauri stars are of particular interest since they provide astronomers with a look at early stages of stellar evolution unencumbered by nebulous material.
According to one estimate, about 60% of T Tauri stars younger than 3 million years may possess dust disks, compared with only 10% of stars that are 10 million years old.
AAVSO: T Tauri, February 2001 Variable Star Of The Month (2432 words)
This spectral feature is seen in the atmospheres of the T Tauri stars, which implies, in the astronomical sense, that T Tauri stars are a young, low-mass stars that are contracting as they evolve toward the main sequence stage of stellar evolution.
He chose T Tauri to be the protoype of the class since "it is best known, is among the brightest, and represents the group with respect to both emission and absorption spectra." Up to this point, these stars had been classified as irregular variables.
While T Tauri variations may result from instabilities within and interactions with the surrouding accretion disk, FU Orionis (also known as FUors) activity results from a dramatic increase in instability and the dumping of large amounts of matter on the accompanying star (Kaler 1999).
  More results at FactBites »


 

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