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Ejecta masses in Type Ia Supernovae -- Implications for the Progenitor and the Explosion Scenario
Zsófia Bora, Réka Könyves-Tóth, József Vinkó +35
The progenitor system(s) as well as the explosion mechanism(s) of thermonuclear (Type Ia) supernovae are long-standing issues in astrophysics. Here we present ejecta masses and oth…
Minute-Cadence Observations of the LAMOST Fields with the TMTS: IV -- Catalog of Cataclysmic Variables from the First 3-yr Survey
Qichun Liu, Jie Lin, Xiaofeng Wang +24
The Tsinghua University--Ma Huateng Telescopes for Survey (TMTS) started to monitor the LAMOST plates in 2020, leading to the discovery of numerous short-period eclipsing binaries,…
The first low-mass eclipsing binary within the fully convective zone from TMTS
Cheng Liu, Xiaofeng Wang, Xiaobing Zhang +17
We present a comprehensive photometric and spectroscopic analysis of the short-period (5.32 hours) and low-mass eclipsing binary TMTSJ0803 discovered by Tsinghua-Ma Huateng T…
The Red Supergiant Progenitor of Type II Supernova 2024ggi
Danfeng Xiang, Jun Mo, Xiaofeng Wang +8
We present a detailed analysis of the progenitor and its local environment for the recently discovered type II supernova (SN) 2024ggi at a distance of about 6.7~Mpc, by utilizing t…
Light curves of the explosion of ONe WD+CO WD merger remnant and type Icn supernovae
Chengyuan Wu, Shuai Zha, Yongzhi Cai +6
Type Icn supernovae (SNe Icn) are a newly detected rare subtype of interacting stripped-envelope supernovae which show narrow P-Cygni lines of highly ionized carbon, oxygen, and ne…
Minute-Cadence Observations of the LAMOST Fields with the TMTS V. Machine Learning Classification of TMTS Catalogues of Periodic Variable Stars
Fangzhou Guo, Jie Lin, Xiaofeng Wang +17
Periodic variables are always of great scientific interest in astrophysics. Thanks to the rapid advancement of modern large-scale time-domain surveys, the number of reported variab…