12 citations · 35 across the 7 of their papers we have counts for
8 papers
TESS Pulsation Timing Reveals the JWST Calibration Star HD 158485 as a Double-pulsator Binary
Chenglong Lv, Ali Esamdin, Shuguo Ma +5
HD~158485 is an A-type ~Scuti star in the CALSPEC network and the JWST absolute-flux calibration program. Gaia DR3 assigns it a binary classification probability close to unity…
TESS Observations of Seven Newly Identified High-amplitude Scuti Stars
Chenglong Lv, Ali Esamdin, Amir Hasanzadeh +3
We report seven newly identified high-amplitude Scuti (HADS) stars. Among them, two stars (TIC 30977864 and TIC 387379145) exhibit pure radial pulsation without the excitation…
Discovery and Characterization of Three New High-amplitude delta Scuti Stars from TESS Observations
Chenglong Lv, Ali Esamdin, J. Pascual-Granado +5
We report the discovery and detailed analysis of three new high-amplitude δ Scuti (HADS) stars, TIC 408074920, TIC 189714989, and TIC 34137913, identified from Transiting Exoplanet…
KIC 10855535: An elegant Delta Scuti pulsator with Amplitude and Phase Modulation
Lixian Shen, Ali Esamdin, Chenglong Lv +6
We investigated the pulsating behavior of KIC 10855535 using Kepler 4-year long cadence data. Two independent frequencies were detected: a pulsation frequency F0 = 17.733260(5)d-1…
An In-depth Investigation of the Primordial Cluster Pair ASCC 19 and ASCC 21
Qingshun Hu, Yuting Li, Mingfeng Qin +4
Utilizing \texttt{Gaia} data from the literature, we report a new young (8.9~Myr) cluster pair, ASCC~19 and ASCC~21, located near the Orion star-forming complex. The clusters…
Photometric properties and stellar parameters of the rapidly rotating magnetic early-B star HD 345439
Dong-Xiang Shen, Jin-Zhong Liu, Chun-Hua Zhu +8
We first present the multicolor photometry results of the rapidly rotating magnetic star HD 345439 using the Nanshan One-meter Wide-field Telescope. From the photometric observatio…
Frequency analysis of KIC 1573174 : shedding light on the nature of HADS stars
Chenglong Lv, Ali Esamdin, Javier Pascual-Granado +2
We propose that KIC 1573174 is a quadruple-mode Scuti star with pulsation amplitudes between those of the HADS (high-amplitude Delta Scuti star) group and average low-amplitude…
KIC 12602250: A low-amplitude Double-mode Scuti star with Amplitude Modulation
Chenlong Lv, Ali Esamdin, Xiangyun Zeng +3
We propose for the first time that KIC 12602250 is a low-amplitude radial double-mode Scuti star with amplitude modulation. The detailed frequency analysis is given for the lig…