GK Car and GZ Nor: two low-luminous, depleted RV Tauri stars
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz1967
Abstract: We performed a photometric and spectroscopic analysis of two RV Tauri stars: GK Car and GZ Nor. Both objects are surrounded by hot circumstellar dust. Their pulsation periods, derived from ASAS (All Sky Automated Survey)… read more here.
Keywords: luminosity; tauri stars; post; post agb ... See more keywords
New Expansion Rate Estimate of the Scorpius–Centaurus Association Based on T Tauri Stars from the Gaia DR2 Catalog
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DOI: 10.1134/s1063772920040022
Abstract: Abstract The kinematic properties of the Scorpius–Centaurus association were studied using spatial velocities of approximately 700 young T Tauri stars. Their proper motions and trigonometric parallaxes were selected by Zari et al. from the Gaia… read more here.
Keywords: gaia dr2; scorpius centaurus; centaurus association; association ... See more keywords
Revisiting RV Tauri stars: first ionization potential (FIP) effect
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DOI: 10.1139/cjp-2018-0718
Abstract: We have derived elemental abundances of eight RV Tauri-type post-asymptotic giant branch stars: AR Sgr, CE Vir, DY Aql, HP Lyr, SS Gem, SZ Mon, TT Oph, and UZ Oph. The abundance analysis of these… read more here.
Keywords: revisiting tauri; ionization potential; fip; tauri stars ... See more keywords