activity
20092023
most citedThe Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitude of 25.8deg to 49.7deg

203 citations · 1.6k across the 58 of their papers we have counts for

collaborators

58 papers

astro-ph.GA2023

A Systematic Study of Associations between Supernova Remnants and Molecular Clouds

Xin Zhou, Yang Su, Ji Yang +12

We universally search for evidence of kinematic and spatial correlation of supernova remnant (SNR) and molecular cloud (MC) associations for nearly all SNRs in the coverage of the…

astro-ph.GA2023★ 9 cited

Distributions and Physical Properties of Molecular Clouds in the Third Galactic Quadrant: = [219.75, 229.75] and = [-5.25, 5.25]

Yiwei Dong, Yan Sun, Ye Xu +11

We present the results of an unbiased CO/CO/CO ( = 1-0) survey in a portion of the third Galactic quadrant (TGQ): = [219.75, 229.75] and = […

astro-ph.GA2023★ 13 cited

The parallax and 3D kinematics of water masers in the massive star-forming region G034.43+0.24

Xiaofeng Mai, Bo Zhang, M. J. Reid +12

We report a trigonometric parallax measurement of 22 GHz water masers in the massive star-forming region G034.43+0.24 as part of the Bar and Spiral Structure Legacy (BeSSeL) Survey…

astro-ph.SR2022★ 6 cited

Calibrating the Cepheid Period--Wesenheit Relation in the Gaia Bands using Galactic Open Cluster Cepheids

Zehao Lin, Ye Xu, Chaojie Hao +3

Establishing the period--Wesenheit relation requires independent and accurate distance measurements of classical Cepheids (DCEPs). The precise distance provided by an associated op…

gr-qc2022★ 8 cited

The Effect of Light Deflection by Solar System Objects on High-Precision SKA Astrometry

Yingjie Li, Ye Xu, Shaibo Bian +4

We have computed the deflection angles caused by 195 objects in the solar system, including 177 satellites and eight asteroids. Twenty-one satellites and six asteroids can bend lig…

astro-ph.GA2022★ 13 cited

Dependence of Molecular Cloud Samples on Angular Resolution, Sensitivity, and Algorithms

Qing-Zeng Yan, Ji Yang, Yang Su +6

In this work, we investigate the observational and algorithmic effects on molecular cloud samples identified from position-position-velocity (PPV) space. By smoothing and cutting o…

astro-ph.GA2022★ 22 cited

Local Spiral Structure Traced by Red Clump Stars

Zehao Lin, Ye Xu, Ligang Hou +5

Using the cross-matched data of Gaia EDR3 and the 2MASS Point Source Catalog, a sample of RC stars with parallax accuracies better than 20% is identified and used to reveal the nea…

gr-qc2021

Light Deflection under the Gravitational Field of Jupiter -- Testing General Relativity

Yingjie Li, Ye Xu, JingJing Li +6

We measured the relative positions between two pairs of compact extragalactic sources (CESs), J1925-2219 \& J1923-2104 (C1--C2) and J1925-2219 \& J1928-2035 (C1--C3) on 2020 Octobe…

astro-ph.GA2021★ 13 cited

Improved Measurements of Molecular Cloud Distances Based on Global Search

Qing-Zeng Yan, Ji Yang, Yang Su +5

The principle of the background-eliminated extinction-parallax (BEEP) method is examining the extinction difference between on- and off-cloud regions to reveal the extinction jump…

astro-ph.GA2021★ 7 cited

Planck Galactic Cold Clumps at High Galactic Latitude-A Study with CO Lines

Fengwei Xu, Yuefang Wu, Tie Liu +28

Gas at high Galactic latitude is a relatively little-noticed component of the interstellar medium. In an effort to address this, forty-one Planck Galactic Cold Clumps at high Galac…

astro-ph.GA2021

Examinations of CO completeness based on three independent CO surveys

Yan Sun, Ji Yang, Qing-Zeng Yan +7

We report the global properties recovered by an ongoing CO survey of the Milky Way Imaging Scroll Painting (MWISP) toward the Galactic outskirts. %To better understand the observat…

astro-ph.GA2021★ 9 cited

A Multi-wavelength Study on the Formation of AFGL 333-Ridge

XiaoLian Liang, Jin-Long Xu, Ye Xu +1

We presented a multi-wavelength study of AFGL 333-Ridge. The molecular line data reveals that the AFGL 333-Ridge has two independent velocity components at -50.5 km/s and -48.0 km/…

astro-ph.GA2021★ 12 cited

Three isotopologues CO survey of Molecular Clouds in the CMa OB1 complex

Ze-Hao Lin, Yan Sun, Ye Xu +2

Using the Purple Mountain Observatory 13.7-m millimeter telescope at Delingha in China, we have conducted a large-scale simultaneous survey of CO, CO, and \xxco (…

astro-ph.GA2020★ 23 cited

Distances to molecular clouds in the second Galactic quadrant

Qing-Zeng Yan, Ji Yang, Yan Sun +5

We present distances to 76 medium-sized molecular clouds and an extra large-scale one in the second Galactic quadrant ( and ), 73 of…

astro-ph.GA2020★ 8 cited

High-sensitivity millimeter imaging of molecular outflows in nine nearby high-mass star-forming regions

De-Jian Liu, Ye Xu, Ying-Jie Li +6

We present a study of molecular outflows using six molecular lines (including 12CO/13CO/C18O/HCO+(J = 1-0) and SiO/CS(J = 2-1)) toward nine nearby high-mass star-forming regions wi…

astro-ph.GA2020★ 52 cited

A catalogue of 74 new open clusters found in Gaia Data-Release 2

Zhi-Hong He, Ye Xu, Chao-Jie Hao +2

Based on astrometric data from Gaia DR2, we employ an unsupervised machine learning method to blindly search for open star clusters in the Milky Way within the Galactic latitude ra…

astro-ph.GA2020★ 7 cited

CO Outflow Candidates Toward the W3/4/5 Complex II: Feedback from Candidate Outflows

Yingjie Li, Ye Xu, Yan Sun +1

To date, few studies have focused on protostellar outflow feedback at scales larger than several parsecs. To address this paucity of research, we investigate the effects of feedbac…

astro-ph.HE2020

Molecular Clouds Surrounding Supernova Remnant G43.9+1.6: Associated and Non-associated

Xin Zhou, Yang Su, Ji Yang +4

Many supernova remnants (SNRs) are considered to evolve in molecular environments, but the associations between SNRs and molecular clouds (MCs) are often unclear. Being aware of su…

astro-ph.SR2020★ 14 cited

44 GHz methanol masers: Observations toward 95 GHz methanol masers

Wenjin Yang, Ye Xu, Yoon Kyung Choi +5

We report a simultaneous 44 and 95 GHz class I methanol maser survey toward 144 sources from the 95 GHz class I methanol maser catalog. The observations were made with the three te…

astro-ph.SR2020★ 20 cited

Local Molecular Gas toward the Aquila Rift Region

Yang Su, Ji Yang, Qing-zeng Yan +11

We present the results of a ~250 square degrees CO mapping (+26d<l<+50d and -5d<b<+5d) toward the Aquila Rift region at a spatial resolution of ~50" and a grid spacing of 30". The…

astro-ph.SR2020★ 18 cited

Searching for Molecular Outflows with Support Vector Machines: Dark Cloud Complex in Cygnus

Shaobo Zhang, Ji Yang, Ye Xu +6

We present a survey of molecular outflows across the dark cloud complex in the Cygnus region, based on 46.75 deg^2 field of CO isotopologues data from Milky Way Imaging Scroll Pain…

astro-ph.GA2020★ 5 cited

First embedded cluster formation in California molecular cloud

Jin-Long Xu, Ye Xu, Peng Jiang +5

We performed a multi-wavelength observation toward LkHa 101 embedded cluster and its adjacent 85arcmin*60arcmin region. The LkHa 101 embedded cluster is the first and only one sign…

astro-ph.GA2019★ 28 cited

Molecular cloud distances based on the MWISP CO survey and Gaia DR2

Qing-Zeng Yan, Ji Yang, Yan Sun +2

We present a new method of calculating distances of molecular clouds in the Galactic plane, using CO observations and the Gaia DR2 parallax and G-band extinction () measuremen…

astro-ph.SR2019★ 10 cited

A particular carbon-chain-producing region: L1489 starless core

Yuefang Wu, Lianghao Lin, Xunchuan Liu +14

We detected carbon-chain molecules (CCMs) HC2n+1N (n=1-3) and C3S in Ku band as well as {high-energy excitation lines including C4H N=9-8, J=17/2-15/2, 19/2-17/2, and CH3CCH J=5-4,…