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Long period variable - Wikipedia, the free encyclopedia
A long period variable (LPV) is a type of variable star in which variations in brightness occur over long timescales of months or years. Long period variables are giant stars and brighter, from spec...
en.wikipedia.org/wiki/Long_period_variable |
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Long Period Variables (LPVs); (Period: 80-1000 days; Amplitude of variation: 2.5 to 5.0 mag.); These are giant red variables that show characteristic emission lines. The spectral classes range through M, C, and S. Also known as "Miras" after the prototype star. ... Outline of Variable Star Types...
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Later in 1638, Johann Holwarda, also of Friesland, determined its period to be 11 months and so established it as the first long period variable discovered. In 1642 Johannes Hevelius of Danzig named the star Mira, "The Wonderful".
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Variable star - Wikipedia, the free encyclopedia
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In this paper HIPPARCOS astrometric and kinematic data are used to calibrate both infrared luminosities and kinematical parameters of Long Period Variable stars (LPVs). Individual absolute K and IRAS 12 and 25 luminosities of 800 LPVs are determined and made available in electronic form.
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According to [1], long-period variable stars are giant stars surrounded by envelopes of ... ejection of matter occurs from long-period variable stars [2]. ...
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Long period variables are the class of variable star that benefit most from amateur astronomer participation. Automated telescopes simply do not monitor these stars for a long enough span of time. Therefore, we need the help of observers like you to help maintain and extend our database into the future.
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LONG-PERIOD VARIABLE STARS. 831 these stars tend to migrate throughout their class region during a pulsation cycle. This may indicate that the position ...
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Hutchinson encyclopedia article about Long-period comet. Long-period comet. Information about Long-period comet in the Hutchinson encyclopedia. ... Long-period comet; Long-period fiber grating; long-period tide; long-period variable; Long-Period Variable Star; long-persistence screen; long-pillar work; long-play; long-play;
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The American Association of Variable Star Observers Report 30; Light Curves of Long Period Variables Sept. 22, 1963 -- June 17, 1966; . Offered by Garrison House Books ... Cambridge, Mass., The American Association of Variable Star Observers, 1975. Soft Cover, 4to - over 9¾" - 12" tall, Very Good/Wraps, Very Good,
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