Author Details

Journal Content

Welcome Guest

Submission

Journal Content

User

Journal Information

Notifications

Information

Subscription Login to verify subscription

Recent News

From January 2022, RAA's international publisher IOP Publishing (IOPP) will perform full production on all RAA accepted papers. The full production by IOPP will accelerate RAA's article production process, thus publishing papers more rapidly.
Learn more

RAA Content

RAA Macro Package

For New Authors

Board Members

About RAA

Research in Astronomy and Astrophysics (RAA) publishes research in the rapidly growing area of astronomy and astrophysics. RAA has a worldwide audience. It accepts original submissions from all over the world and is internationally published and distributed by IOP.

Author Details

Qin(覃一平), Yi-Ping, 2 Center for Astrophysics, School of Physics and Materials Science, Guangzhou University, Guangzhou 510006, China

Vol 21, No 10 (2021): (241-269) - Research Paper
New constraint of the Hubble constant by proper motions of radio components observed in AGN twin-jets
Abstract PDF

Username
Password
Remember me