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...show no regular [[Frequency|periodicity]]. There are two main sub-types of irregular variable: eruptive and pulsating. '''Eruptive''' irregular variables are divided into three categories: ...

{{short description|Subclass of R Coronae Borealis variables}} ...able stars|pulsational variability]] of AGB stars and [[irregular variable|irregular fades]] similar to R CrB stars. ...

...The period is close to the star's mean rotational rate. The light curve is irregular over the duration of the period and it changes slightly in shape from one p Nearby K and M stars that are BY Draconis variables include [[Barnard's Star]], [[Kapteyn's Star]], [[61 Cygni]], [[Ross 248]], ...

| variable = [[irregular variable]] ...i''' is a [[red giant]] star in the constellation Aquarius. It is a slow [[irregular variable]] that varies between magnitudes 6.23 and 6.47.<ref name=AAVSOIZ/> ...

| variable=[[Slow irregular variable|Lb]]<ref name=aa393_563/> '''HD 128333''' or '''CH Boötis''' is an [[irregular variable]] star in the northern [[constellation]] of [[Boötes]]. It is cur ...

...idly oscillating Ap star]]s (roAps) near the [[main sequence]]; [[RR Lyrae variables]] where it intersects the [[horizontal branch]]; and the [[Cepheid variable ...scillating Ap star|roAp stars]] and the [[Delta Scuti variable|Delta Scuti variables]].<ref name="Warner1992">{{cite book | editor = Brian Warner | date = 1992 ...

*{{citation|title=Geometry and Complex Variables|volume=132|series=Lecture Notes in Pure and Applied Mathematics|first=S.|la ...urnal |url=http://eudml.org/doc/143883 |title=Moduli and classification of irregular Kaehler manifolds (And algebraic varieties) with Albanese general type fibr ...

| variable = [[Irregular variable|suspected irregular]]<ref name=Samus2017/> ...55 times the [[radius of the Sun]].<ref name=GaiaDR2/> It is a suspected [[irregular variable]] that ranges in [[photographic magnitude]] from 6.1 down to 6.6.< ...

which arises when [[separation of variables]] is applied to the [[Laplace equation]] in [[paraboloidal coordinates]]. T ...ingular points]] (at <math>z = b</math> and <math>z = c</math>), and one ''irregular'' singular point at infinity. Thus, in contrast with many other special fun ...

...t least one [[B-type main-sequence star]] in a dust envelope. They undergo irregular light variations over long periods of time, with [[magnitude (astronomy)|ma [[Category:FS Canis Majoris variables]] ...

...dered a planet) is the farthest planet from the sun. Because of Pluto’s irregular orbit, the orbit of Pluto crossed the orbit of Neptune, so that in 1995, th ...Object (philosophy)|objects]] in it considered as [[Variable (mathematics)|variables]], and the value of the function being either [[truth]] or [[Deception|fals ...

| variable=[[Slow irregular variable|LB]]<ref name=gcvs>{{cite journal|bibcode=2009yCat....102025S|titl ...a [[stellar classification]] of M1.5&nbsp;III.<ref name=houk1978/> It an [[irregular variable]] that changes brightness over an amplitude range of 0.12&nbsp;mag ...

variable=[[Irregular variable|LB]]<ref name=alvarez/> ...V Photoelectric Photometry Catalogue|UBV M]] 19995, [[Catalog of Suspected Variables|CSV]] 7099, [[Hipparcos Input Catalogue|HIC]] 69038, [[General Catalogue of ...

| variable=[[Slow irregular variable|Irregular]]<ref name=aaa374_968/> [[Category:Slow irregular variables]] ...

| variable = [[Slow irregular variable|Lb]]?<ref name=AAVSOUW/> ...ay from the [[main sequence]]. It has been classified as a possible [[slow irregular variable]],<ref name=AAVSOUW>{{cite web|url=http://www.aavso.org/vsx/index. ...

...ub-class of the [[Z Camelopardalis variable stars|Z Camelopardalis (Z Cam) variables]].<ref name=Kato_2019/> The brightness of this system ranges from an [[appa The irregular variability of this star was discovered by [[Ludwig Meinunger|L. Meinunger] ...

==Process variables== * Irregular wire feed – typically a mechanical problem. ...

{{short description|Irregular alternation different types of dynamics}} In [[dynamical system]]s, '''intermittency''' is the irregular alternation of phases of apparently periodic and [[Chaos theory|chaotic]] d ...

| variable = [[Slow irregular variable|LC]]<ref name=gcvs/> ...ar designation]] V412 Lacertae in 1999 in a special name-list dedicated to variables detected from Hipparcos.<ref name=ibvs/> ...

| variable=[[Irregular variable|Irregular]]?<ref name="59AAVSO"/> ...lation)|Serpens]].<ref name=SIMBAD/> The system shows [[irregular variable|irregular variations in brightness]] between magnitudes 5.17 and 5.29.<ref name="59AA ...