long-period variable Comparison Table

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long-period variable comparison table

Subject has spectral type is part of has extent has age has surface temperature has orbital period is an instance of has velocity has surface density has optical brightness variation has star surface temperature has V magnitude has parallax has light curve has observational problem has position on celestial sphere has been observ has location has angular momentum has distance has radiation at surface has B magnitude has temperature has abundance M6e-M9e III has prototype has spectra has period is usually part of has proper motion has amplitude has energy source has energy production has discoverer has catalog has absolute magnitude has U magnitude has volume has momentum has apparent magnitude has material has mass has image has name designated with has observable variation time scale has synonym has definition has discovery date has luminosity class has number of star

Mira M star, R star, or N star disk greater than 1000 Kelvin naked eye star determined from proper motion and radial velocity which depends on luminosity class 0.2 magnitudes or greater from the point of view of Earth's orbit some difficulty in distinguishing between various kinds from the point of view of Earth for many centuries or center of gravity 70 pc which is diffused out from the hotter core half the stars in the solar neighborhood are members of star systems -has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press Mira 331 days asterism 5 mag gravitational contraction and or fusion which takes place primarily within the core David Fabricius star catalog brighter than 5 hydrogen, helium greater than 0.08 the sun's mass
R, S, T, U, V, W, X, Y, or Z and the genitive of the latin constellation name
RR, RS, RT, RU, RV, RW, RX, RY, or RZ and the genitive of the latin constellation name when the single letter designations are exhausted
AA...AZ, BB...BZ, etc. (omitting J), which ends with QQ...QZ and the genitive of the latin constellation namewhen the RR...RZ designations are exhausted
V 335, V 336, etc., when the double letter designations are exhausted
within a period of decades omicron Cet A irregular long-period intrinsic variable. It was named Mira ("wonderful") in 1596 by Fabricius, who made the first recorded observations of its brightness fluctuations. Mira is a double star with a faint B companion which is itself variable. 1596 III 2

Next periodic variable: RR Lyrae star Up: periodic variable Previous periodic variable: eclipsing binary

Subject	has spectral type	is part of	has extent	has age	has surface temperature	has orbital period	is an instance of	has velocity	has surface density	has optical brightness variation	has star surface temperature	has V magnitude	has parallax	has light curve	has observational problem	has position on celestial sphere	has been observ	has location	has angular momentum	has distance	has radiation at surface	has B magnitude	has temperature	has abundance	M6e-M9e III	has prototype	has spectra	has period	is usually part of	has proper motion	has amplitude	has energy source	has energy production	has discoverer	has catalog	has absolute magnitude	has U magnitude	has volume	has momentum	has apparent magnitude	has material	has mass	has image	has name designated with	has observable variation time scale	has synonym	has definition	has discovery date	has luminosity class	has number of star
Mira	M star, R star, or N star	disk			greater than 1000 Kelvin		naked eye star	determined from proper motion and radial velocity	which depends on luminosity class	0.2 magnitudes or greater			from the point of view of Earth's orbit		some difficulty in distinguishing between various kinds	from the point of view of Earth	for many centuries	or center of gravity		70 pc	which is diffused out from the hotter core			half the stars in the solar neighborhood are members of star systems	-has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press	Mira		331 days	asterism		5 mag	gravitational contraction and or fusion	which takes place primarily within the core	David Fabricius	star catalog					brighter than 5	hydrogen, helium	greater than 0.08 the sun's mass		R, S, T, U, V, W, X, Y, or Z and the genitive of the latin constellation name RR, RS, RT, RU, RV, RW, RX, RY, or RZ and the genitive of the latin constellation name when the single letter designations are exhausted AA...AZ, BB...BZ, etc. (omitting J), which ends with QQ...QZ and the genitive of the latin constellation namewhen the RR...RZ designations are exhausted V 335, V 336, etc., when the double letter designations are exhausted	within a period of decades	omicron Cet	A irregular long-period intrinsic variable. It was named Mira ("wonderful") in 1596 by Fabricius, who made the first recorded observations of its brightness fluctuations. Mira is a double star with a faint B companion which is itself variable.	1596	III	2