Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations. The known periods range between 5 and 23 minutes. They lie in the δ Scuti instability strip on the main sequence.
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RapidlyoscillatingAp stars (roAp stars) are a subtype of the Apstar class that exhibit short-timescale rapid photometric or radial velocity variations...
Its brightest star is Alpha Circini, with an apparent magnitude of 3.19. Slightly variable, it is the brightest rapidlyoscillatingApstar in the night...
orbit each other every 10.5 years. The brighter component is a rapidlyoscillatingApstar, pulsating with a period of 16.2 minutes. Of spectral type A5V...
Bright Star Catalogue Supplement. 33 Librae is an F-type main sequence star. It is an α2 Canum Venaticorum variable or a rapidlyoscillatingApstar, thus...
as abundance spots. A subset of this class of stars, called rapidlyoscillatingAp (roAp) stars, exhibit short-timescale, millimagnitude photometric variations...
best-studied rapidlyoscillatingAp (roAp) stars. Inspired by the 1978 discovery of the rapid (12 minute period) brightness variability of Przybylski's Star (an...
surface intensity of around 3.3 kG. It is a candidate rapidlyoscillatingAp (roAp) star. This star is 435 million years old with 2.16 times the mass of...
conclusion. The brighter component, Beta Coronae Borealis A, is a rapidlyoscillatingApstar, with a period of 16.2 minutes. Of spectral type A5V with a surface...
star is determined by its radius and surface temperature. Many stars do not radiate uniformly across their entire surface. The rapidly rotating star Vega...
also show Gamma Doradus oscillations and are therefore hybrids. RapidlyoscillatingAp stars have similar parameters to Delta Scuti variables, mostly being...
identified as such in 2002. The larger star, HD 83368A, is a pulsating variable of a rapidlyoscillatingAp type. It has a single yet strongly distorted...
Archived from the original on 2012-02-27. Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
rotation. γ Equulei undergoes rapid periodic variations in brightness, which places it among the rapidlyoscillatingAp (roAp) stars. The apparent magnitude...
This star belongs to a class of variables known as rapidly oscillatingAp stars. It oscillates with multiple, non-radial pulsation cycles and a dominant...
Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014. "Naming Stars". Retrieved 13 December...
decreasing brightness. This constellation's Bayer designations (Greek-letter star names) were given while it was still considered part of the constellation...
Archived from the original on 2012-02-27. Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
variable stars: Delta Scuti variables, SX Phoenicis variables, and rapidlyoscillatingAp stars (roAps) near the main sequence; RR Lyrae variables where it...
Stars (GCVS database, version 2012Apr)". Retrieved 2012-07-18. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
Archived from the original on 2012-02-27. Retrieved 2010-07-19. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
Archived from the original on 2012-02-27. Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
Archived from the original on 2012-02-27. Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014....
of Variable Star Observers. Retrieved 9 March 2014. E.B Knobel - On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket Star Name - R.H.Allen...
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