General
Ali Esamdin
Senior Researcher
Ph.D. Supervisor
Xinjiang Astronomical Observatory
Email: aliyi@xao.ac.cn
Telephone: 0991-3689022
Address: 150 Science-1 Street, Xinshiqu, Urumqi, Xinjiang
Postcode: 830011

Research Areas

Astrophysics, Time-domian Astronomy

Education

2000.09-2004.06  Peking University, PhD in Astronomy
1987.09-1991.07  Peking Normal University, BS in Astronomy

Experience

2011-               Senior Researcher, Xinjiang Astronomical Observatory, CAS


2001-2011       Associate Researcher, Xinjiang Astronomical Observatory, CAS


2005.04-06        Visiting Scholar, Manchester University, UK


1991-2001       Research Assistant, Xinjiang Astronomical Observatory, CAS

Publications

   
Papers

Discovery and Characterization of Three New High-Amplitude δscuti Stars from TESS Observations,ApJ,2026

Detectability of continuous gravitational waves from planetary-mass companions orbiting compact stars,A&A,2026

The Stellar Abundances and Galactic Evolution Survey (SAGES). V. The First DataRelease of the DDO51 Band,ApJs,2026

Searching for Contact Binaries with LAMOST and TESS,ApJs,2026

Characteristics of atmospheric optical turbulence and wind profile at the Muztagh-ata site on the Pamir Plateau,MNRAS,2026

SN 2024abvb: A Type Icn Supernova in the Outskirts of its Host Galaxy,ApJ,2026

Joint Long-baseline Study Based on WASP, Kepler, and TESS: Revealing the Pulsation Characteristics of δScuti Star KIC 8712760,ApJ, 2026

Massive stars exploding in a He-rich circumstellar medium: XII. SN 2024acyl: A fast, linearly declining Type Ibn supernova with early flash-ionisation features,A&A, 2026

Revealing the Unseen: The Discovery of Long-Awaited Radiation from the Intermittent Pulsar PSR B1931+24,ApJL,2026

ASCNet: Research on All-sky Camera Image Classification at the Muztagh-ata Site,RAA,2026

KIC 5623923: A Faint Eclipsing Binary Consisting of delta Scuti pulsations, ApJ, 2026

Rapid inversion method for parameters of contact binaries based on intelligent optimization algorithms,New Astronomy,2026

113 km absolute ranging with nanometer precision,National Science Review, 2025

The impact of stellar rotations and binaries on the shape of upper main sequence near turn off in open cluster NGC 6067,ApJ,2025

GRB 240825A: Early Reverse Shock and Its Physical Implications,RAA, 2025

Seeing and Meteorological Analysis at the North-1 and North-2 Points of Muztagh-Ata Site on the Pamir Plateau,MNRAS,2025

Spectral Hardening Reveals Afterglow Emergence in Long-Duration Fast X-ray Transients: A Case Study of GRB 250404A/EP250404a,ApJL,2025

An Hα Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nashan 1-m Telescope,AJ,2025

Characteristics of Temperature Inversion in the Near-Surface Layer at the Muztagh-Ata Site,Atmosphere,2025

Analysis of a Double-lined Spectroscopic Binary System Using LAMOST and TESS data, RAA, 2025

The Transit Signal of KOI-1755 Originates from a Background Eclipsing Binary Star-Extracting the Light Curve of a Faint Background Star from Kepler TPF Data,AJ,2025

SN 2023ehl: A Normal Type Ia Supernova with High-velocity Features, ApJ, 2025

Astronomical seeing with DIMM and wind-speed distributions with ERA5 data at the Muztagh-Ata site on the Pamir Plateau,MNRAS,2025

The Stellar Abundances and Galactic Evolution Survey (SAGES) III -- The g/r/i-band Data Release,RAA,2025

Modeling of Two Low-Amplitude Radially Pulsating δ Scuti Stars: KIC 12602250 and KIC 5768203,ApJ,2025

SN 2023xqm: A slowly declining type Ia supernova with detached high velocity features,A&A,2025

SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase,ApJ,2025

Optical flares detected on a contact binary: the first photometric and spectroscopic analysis of a long-period low mass ratio contact binary HAT 307-0007476, MNRAS, 2025

Characterizing Stellar and Gas Properties in NGC 628: Spatial Distributions, Radial Gradients, and Resolved Scaling Relations,ApJ,2025

Hilbert Transform Reveals Unusual Modulation in Delta Scuti Star KIC 10407873,ApJ,2024

Characterizing Long-term Astroclimate Parameters at Muztagh-Ata Site with ERA5 and MERRA-2 Data,MNRAS,2024

KIC 10855535: An elegant δ Scuti pulsator with Amplitude and Phase Modulation,ApJ,2024

Early-Time Observations of SN 2023wrk: A Luminous Type Ia Supernova with Significant Unburned Carbon in the Outer Ejecta,ApJ,2024

SN 2021wuf: A transitional type Ia supernova with low velocity gradient,A&A,2024

Optical turbulence in the atmospheric surface layer at Muztagh-ata site,MNRAS,2024

Dual-comb spectroscopy over 100km open-air path,Nature Photonics,2024

Variable white dwarfs in TMTS: Asteroseismological analysis of a ZZ ceti star, TMTS J17184064+2524314,MNRAS,2024

A fast inversion method of parameters for contact binaries based on differential evolution,,Astronomy and Computing,2024

Statistical analysis of asteroseismic indices and stellar parameters of TESS-observed δ Scuti stars, A&A, 2024

An analysis of the fragmentation of observing time at the Muztagh-ata site,RAA, 2024

Quantitative analysis of seeing with height and time at Muztagh-ata site based on ERA5 database,RAA,2024

An 18.9-minute Blue Large-Amplitude Pulsator Crossing the ``Hertzsprung Gap'' of Hot Subdwarfs", NatAs,2023

TESS Observations of Seven Newly Identified High-amplitude δ Scuti Stars, ApJ, 2023

The Stellar Abundances and Galactic Evolution Survey (SAGES) --I. General Description and the First Data Release (DR1), ApJS, 2023

Photometric calibration of the Stellar Abundance and Galactic Evolution Survey (SAGES): Nanshan One-meter Wide-field Telescope g, r, and i band imaging data, Chinese Science Bulletin, 2023

An UBVRI calibration method based on Pan-STARRS photometric survey, Astronomy and Computing,2023

Variable stars detection in the field of open cluster NGC188, RAA, 2023

A comparative analysis of type Ia supernovae 2018xx and 2019gbx, A&A, 2023

Properties and Asteroseismological analysis of a new ZZ ceti discovered by TMTS, MNRAS, 2023

Atlas of dynamic spectra of fast radio burst FRB 20201124A, Chinese Physics B, 2023

An "X-ray Dim Isolated Neutron Star'' in Binary?, ApJL, 2023

A Diverse Population of z~2 ULIRGs Revealed by JWST Imaging, ApJ, 2023

Nighttime Cloud Amount during the Last Five Years at the Muztagh-ata Site, RAA, 2023

A detection of the layered structure of nearby open clusters, A&A, 2023

Asteroseismology of a Double mode High-amplitude δ Scuti Star TIC 448892817, AJ, 2022

The GRANDMA network in preparation for the fourth gravitational-wave observing run, Proceedings of the SPIE, 2022

Binary open clusters in the Gaia data, A&A, 2022

KIC 10417986: Spectroscopic Confirmation of the Nature of the Binary System with a δ Scuti Component, RAA, 2022

KIC 3440495: A Rapidly Rotating δ Scuti-γ Doradus Hybrid Pulsator in a Binary System, ApJ, 2022

A fast radio burst source at a complex magnetised site in a barred galaxy,Nature, 2022

KIC 2857323: A Double-mode High-amplitude δ Scuti Star with Amplitude Decline of the First Overtone Mode, ApJ, 2022

A Low-speed Intruder star in the Hyades:A Temporary Residence, ApJ, 2022

The X-ray emission of contact binary variables within 1 kpc, A&A, 2022

KIC 5768203: A δ Sct Pulsator Modulated by Rotation and Spots, AJ, 2022

Frequency Analysis of KIC 1573174: Shedding Light on the Nature of HADS Stars, ApJ, 2022

Periodic repeating fast radio bursts: interaction between a magnetized neutron star and its planet in an eccentric orbit,,ApJ,2022

Site-testing at Muztagh-ata site IV: Precipitable Water Vapor, PASP, 2022

Decoding Morphological Evolution of Open Clusters, A&A, 2021

Spectroscopic and photometric analysis of the eclipsing binary HIP 7666 with δ Scuti pulsations,MNRAS, 2021

KIC 5197256 : Eclipsing Binary Containing a δ Scuti Variable Star,Research in Astronomy and Astrophysics,2021

KIC 12602250: A Low-amplitude Double-mode Delta Scuti Star with Amplitude Modulation,The Astronomical Journal,2021

SN 2017fgc: A Fast-expanding Type Ia Supernova Exploded in Massive Shell Galaxy NGC 474,The Astrophysical Journal,2021

Characteristic time of stellar flares on Sun-like stars,Monthly Notices of the Royal Astronomical Society, 2021

A Complete 16 micron-Selected Galaxy Sample at z∼1z∼1: Mid-infrared Spectral Energy Distributions,  The Astrophysical Journal,2021

Deciphering Star Cluster evolution by shape morphology, The Astrophysical Journal,2021

SN 2017hpa: A Nearby Carbon-rich Type Ia Supernova with a Large Velocity Gradient,The Astrophysical Journal,2021

The State Switching Mechanism of Intermittent Pulsars,The Astrophysical Journal,2021

Investigating Variable Stars in the Open Cluster NGC 1912 and Its Surrounding Field, Research in Astronomy and Astrophysics,2021

Photometric and Spectroscopic Study of Flares on Ross 15,Research in Astronomy and Astrophysics,2021

The Wide-field Photometric System of the Nanshan One-meter Telescope,Research in Astronomy and Astrophysics,2020

Flare Properties of A-type Stars in Kepler Data,The Astrophysical Journal,2020

Site testing campaign for the Large Optical/infrared Telescope of China: Overview, Research in Astronomy and Astrophysics,2020

Data processing and data products from 2017 to 2019 campaign of astronomical site testing at Ali, Daocheng and Muztagh Ata,  Research in Astronomy and Astrophysics,2020

Long-term Analysis of Clear Nights Using Satellite Data Considering Astronomical Sites in Western China, Research in Astronomy and Astrophysics,2020

Site-testing at Muztagh-ata site III: temperature inversion in surface-layer atmosphere, Research in Astronomy and Astrophysics,2020

Site-testing at Muztagh ata site II: Seeing statistics,Research in Astronomy and Astrophysics,2020

Site-testing at Muztagh ata site I: Ground Meteorology and Sky Brightness, Research in Astronomy and Astrophysics,2020

Second Braking Index of Intermittent Pulsar and Nulling Pulsar, Publications of the Astronomical Society of the Pacific, 2020

An optical and X-ray study of the contact binary, BH Cassiopeia, Publications of the Astronomical Society of the Pacific, 2019

A double-modulation effect detected in a double-mode high-amplitude delta Scuti star: KIC 10284901, The Astrophysical Journal,2019

Pulsations of the SX Phe Star BL Camelopardalis,Publications of the Astronomical Society of the Pacific, 2019

Precise determination of stellar parameters of the ZZ Ceti and DAZ white dwarf GD 133 through asteroseismology, Monthly Notices of the Royal Astronomical Society, 2019

Qatar Exoplanet Survey: Qatar-8b, 9b and 10b --- A Hot Saturn and Two Hot Jupiters, The Astronomical Journal, 2019

Qatar Exoplanet Survey: Qatar-7b—A Very Hot Jupiter Orbiting a Metal-rich F-Star, The Astronomical Journal, 2019

A Weak Modulation Effect Detected in the Light Curves of KIC 5950759: Intrinsic or Instrumental Effect?, The Astrophysical Journal,2018

A precursive study of the time-domain survey of the Galactic Anti-center using the Nanshan 1-meter telescope with variable stars detected,Astrophysics and Space Science, 2018 

Qatar Exoplanet Survey: Qatar-6b—A Grazing Transiting Hot Jupiter,The Astronomical Journal, 2018

Pulsations of the High-Amplitude δ Scuti star YZ Bootis,Research in Astronomy and Astrophysics,2018

A digital pulsar backend based on FPGA, Research in Astronomy and Astrophysics,2017

A study of variable stars in the open cluster NGC 1582 and its surrounding field,Research in Astronomy and Astrophysics,2016

Predicting the Braking Indices of Nulling and Intermittent Pulsars, Publications of the Astronomical Society of the Pacific, 2014

Short timescale intensity fluctuations of PSR B1133+16 and PSR B1237+25 due to interstellar scintillation at 1.54 GHz,Astrophysics and Space Science,2013

The Stokes phase portraits of descattered pulse profiles of a few pulsars,Astrophysics and Space Science,2013 

PSR B0826-34: Sometimes a Rotating Radio Transient,ApJL,2012 

A study of strong pulses detected from PSR B0656+14 using Urumqi 25-m radio telescope at 1540MHz,Research in Astronomy and Astrophysics ,2012

Radiation properties of extreme nulling pulsar J1502-5653,MNRAS,2012

Recovering the pulse profiles and polarization position angles of some pulsars from interstellar scattering,Research in Astronomy and Astrophysics ,2012 

Strong pulses detected from rotating radio transient J1819-1458,Astronomy and Astrophysics,2011

Strong pulses from pulsar PSR J0034-0721,Research in Astronomy and Astrophysics,2011

Microlensing pulsars,MNRAS,2010

Timing observations of Rotating Radio Transient J1819-1458 at Urumqi observatory,MNRAS,2008 

Two-component model for the interstellar scattering in direction to the Vela pulsar,Astronomy and Astrophysics,2005

Mode switching and subpulse drifting in PSR B0826-34,MNRAS,2005

A study of the long-term flux density variation of PSRs B0329+54 and B1508+55,Astronomy and Astrophysics,2004

Research Interests

Time-domain astronomy; optical and radio transients; compact stars; optic and radio observations.