8 papers
New theoretical instability regions, period-luminosity relations and masses for blue large-amplitude pulsators
Susmita Das, Daniel Jadlovský, László Molnár
Blue large-amplitude pulsators (BLAPs) are a recently discovered group of hot pulsating stars whose evolutionary status remains uncertain. Their supposed progenitors are either $\s…
Matching seismic masses for RR Lyrae-type and oscillating red horizontal-branch stars in M4
László Molnár, Henryka Netzel, Madeline Howell +2
Globular clusters offer a powerful way to test the properties of stellar populations and the late stages of low-mass stellar evolution. In this paper we study oscillating giant sta…
Connections between the cycle-to-cycle light curve and O-C variations of the non-Blazhko RR Lyrae stars
J. M. BenkÅ, A. Bódi, E. Plachy +1
It has long been known that if the durations of the consecutive cycles of a pulsating star vary randomly, the O-C diagram could show quasi-periodic/irregular variations, even thoug…
Search for binary-channel metal-rich RR~Lyrae candidates
Hedieh Abdollahi, László Molnár, Vázsony Varga
The existence of dynamically young and metal-rich RR Lyrae stars challenges conventional notions of these variable stars. One possible scenario for their formation and evolution is…
Three fast-rotating Jovian Trojans identified by TESS set new population density limits
Csaba Kiss, Nóra Takács, Csilla E. Kalup +8
Here we report on the identification of the three fastest rotating Jovian Trojans with reliable population assignment, using light curve data from the Transiting Exoplanet Satellit…
A theoretical framework for BL Her stars IV. New period-luminosity relations in the Rubin-LSST filters
Susmita Das, László Molnár, Róbert Szabó +5
We present new theoretical light curves in the Rubin-LSST filters for a fine grid of BL Her models computed using MESA-RSP. We also derive new theoretical period-luminosity (PL) an…