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Prof. Steph3917hi-Yung Ng

Associate Professor

Department of Physics
The University of Hong Kong

Room 517, CYM Physics Building
The University of Hong Kong
Pokfulam Road, Hong Kong
Tel: (+852) 39177947

Email: ncy@astro.physics.hku.hk
astro@graduate.hku.hk

Teaching

PHYS3660 Astronomy Laboratory
PHYS4656 Advanced Astrophysics
PHYS8656 Topics in Astrophysics
CCST9088 Cosmic Frontiers: How Discoveries are Made and their Scientific Impact
AILT9023 Artificial Intelligence in Physics
SCNC3111 Frontiers of Science Honours Seminar Course

Research Interests

Neutron Stars
Magnetars
Pulsar Wind Nebulae
Supernova Remnants

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Group photo (2025)

Research Group

Current members:
Tian, Josephine (Ph.D. candidate)
Jiang, Yiheng (Ph.D. candidate)
Sun, Yifan (Ph.D. candidate)
Zhang, Shumeng (Ph.D. candidate)
Shi, Zhihong (Ph.D. candidate)

Former members:
Dr. Long, Xi
Dr. Gao, Yuen
Dr. Yang, Yi-Jung Frankie (project manager at NCU)
Liu, Yihan (postdoc at SYSU)
Lai, Chong Wa Paul (PhD at UCL)
Dr. Jin, Ruolan (Assistant Professor at Taitung U)
Chan, Yuk Ying Sandy
Wang, Wenchao (Baidu)
Dr. Hu, Chin-Ping (Professor at NCUE, Taiwan)
Leung, Wai Yan Ryan
Dr. Mong, Yik Lun Darren (Paradyn)
Wen, Run
Dr. Ma, Yik Ki Jackie (postdoc at MPfIR)

Recent Research Projects

Magnetic Flux Tubes Illuminated by Pulsar Winds
High-Resolution Radio Study of the Cosmic Hand
Pulsar Population Synthesis with Magnetorotational Evolution
A Spatially Resolved X-Ray Polarization Map of the Vela Pulsar Wind Nebula
Radio Study of the Pulsar Wind Nebula Powered by PSR B1706-44
High-resolution Radio Study of the Dragonfly Pulsar Wind Nebula Powered by PSR J2021+3651
Magnetic Field Structure and Faraday Rotation of the Plerionic Supernova Remnant G21.5-0.9
A Comprehensive Study of the Spectral Variation and the Brightness Profile of Young Pulsar Wind Nebulae
High-frequency radio observations of two magnetars, PSR J1622-4950 and 1E 1547.0-5408
X-Ray and Radio Variabilities of PSR J2032+4127 near Periastron
Soft X-ray Pulse Profiles of Magnetars in Quiescence
X-Ray Observations of Magnetar SGR 0501+4516
Discovery of a Synchrotron Bubble Associated with PSR J1015-5719
An XMM-Newton Study of the Mixed-morphology Supernova Remnant G346.6-0.2
Chandra X-ray Observation of the High Magnetic Field Pulsar B1509-58
Radio Observations of the Snail PWN

Media Coverage

High Resolution Radio Observations Reveal Mysteries of the Cosmic Hand, Aug 2025, HKU Press release
X-ray, Radio Go 'Hand in Hand' in New NASA Image, Aug 2025, Chandra Photo Album
ATCA Observations Reveal Mysteries of the Cosmic Hand, Aug 28, 2025, ATNF Daily Astronomy Picture
ATCA Observations of the Pulsar Wind Nebula in SNR G11.2-0.3, Aug 8, 2025, ATNF Daily Astronomy Picture
HKU Astrophysicists Collaborates with NASA’s IXPE Telescope Untangles Theories Surrounding Historic Supernova Remnant, Oct 2023, HKU press release
Interview by the South China Morning Post, Nov 2022
Heart of an Exploded Star Observed in 3-D, Jul 2017, NRAO News
A Tale of Two Pulsars' Tails: Plumes Offer Geometry Lessons to Astronomers, Jan 2017, Penn State News
Interview by the South China Morning Post, Sep 2016
Interview by Radio Television Hong Kong, May 2016
The Highly Ordered Magnetic Field Structure of the Snail Nebula, Apr 21, 2016, ATNF Daily Astronomy Picture

Complete record on ADS

Refereed papers on ADS

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Astronomy Photos

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