The unqualified term instability strip usually refers to a region of the Hertzsprung–Russell diagram largely occupied by several related classes of pulsating...

lie along a diagonal band in the H–R diagram called the S Doradus Instability Strip, with the more luminous examples having hotter temperatures. The standard...

on a section of the diagram called the instability strip. Cepheid variables also fall on the instability strip, at higher luminosities. The H-R diagram...

cross the instability strip during a blue loop are thought to become W Virginis variables. More massive stars, crossing the instability strip during a...

hypergiants occupy a region of the Hertzsprung–Russell diagram above the instability strip, a region where relatively few stars are found and where those stars...

composition. A nearly vertical region of the HR diagram, known as the instability strip, is occupied by pulsating variable stars known as Cepheid variables...

cluster has no stars in this region of its CMD. The gap occurs at the instability strip, where many pulsating stars are found. These pulsating horizontal-branch...

wavelengths, causing it to appear red) evolution across the Cepheid instability strip, but it may be due to interference between the primary and the first-overtone...

unstable, leading to the instability strip on the HR diagram where the majority of stars are pulsating variables. The instability strip reaches from the main...

dwarf binary system with a carbon-oxygen accretion disk. G 117-B15A Instability strip Stellar pulsation Koester & Chanmugam 1990, p. 891–895. Murdin, Paul...

region of the Hertzsprung–Russell diagram known as the S Doradus instability strip, where the least luminous have a temperature around 10,000 K and a...

stars are the RV Tauri variables, AGB or post-AGB stars lying on the instability strip and showing distinctive semi-regular variations. Red supergiants develop...

Planetary nebula Protoplanetary Wolf-Rayet nebula PG1159 Dredge-up OH/IR Instability strip Luminous blue variable Stellar population Supernova Superluminous...

luminosity over time due to instabilities within their interiors, but these are small except for two distinct instability regions where luminous blue...

can cause it to become a variable star. An example of this is the instability strip, a region of the H-R diagram that includes Delta Scuti, RR Lyrae and...

the instability strip and were originally referred to as dwarf Cepheids. RR Lyrae variables have short periods and lie on the instability strip where...

star (IMS) first evolves away from the main sequence, it crosses the instability strip very rapidly while the hydrogen shell is still burning. When the helium...

group consists of several kinds of pulsating stars, all found on the instability strip, that swell and shrink very regularly caused by the star's own mass...

more at luminosities of thousands of L☉. These stars will cross the instability strip more than once and pulsate as Type I (Classical) Cepheid variables...

known periods range between 5 and 23 minutes. They lie in the δ Scuti instability strip on the main sequence. The first roAp star to be discovered was HD...

types of variables amongst the supergiants are well defined. The instability strip crosses the region of supergiants, and specifically many yellow supergiants...

yellow supergiants are in a region of the HR diagram known as the instability strip because their temperatures and luminosities cause them to be dynamically...

massive than the sun cross the Cepheid instability strip, called the first crossing since they may cross the strip again later on a blue loop. In the 2...

Planetary nebula Protoplanetary Wolf-Rayet nebula PG1159 Dredge-up OH/IR Instability strip Luminous blue variable Stellar population Supernova Superluminous...

temperatures, some becoming unstable pulsating stars in the yellow instability strip (RR Lyrae variables), whereas some become even hotter and can form...

Raymond E.; Alexander, Gareth P.; Moffatt, H. Keith (2015). "Instability of a Möbius strip minimal surface and a link with systolic geometry" (PDF). Physical...

Planetary nebula Protoplanetary Wolf-Rayet nebula PG1159 Dredge-up OH/IR Instability strip Luminous blue variable Stellar population Supernova Superluminous...

Planetary nebula Protoplanetary Wolf-Rayet nebula PG1159 Dredge-up OH/IR Instability strip Luminous blue variable Stellar population Supernova Superluminous...

Planetary nebula Protoplanetary Wolf-Rayet nebula PG1159 Dredge-up OH/IR Instability strip Luminous blue variable Stellar population Supernova Superluminous...

Upper portion of H-R Diagram showing the location of the S Doradus instability strip and the location of LBV outbursts. Main sequence is the thin sloping...