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VLBI Imaging of Parsec-scale Radio Structures in Nearby Low-luminosity Active Galactic Nuclei 期刊论文
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2025, 卷号: 277, 期号: 2, 页码: 56
Authors:  Cheng, Xiaopeng;  An, Tao;  Baan, Willem A.;  Baldi, Ranieri D.;  Williams-Baldwin, David R. A.;  Sohn, Bong Won;  Beswick, Robert;  McHardy, Ian M.
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VLBI Observations of a sample of Palomar-Green quasars II: characterizing the parsec-scale radio emission 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 卷号: 525, 期号: 4, 页码: 6064-6083
Authors:  Wang, Ailing;  An, Tao;  Zhang, Yingkang;  Cheng, Xiaopeng;  Ho, Luis C.;  Kellermann, Kenneth, I;  Baan, Willem A.
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instrumentation: high angular resolution  methods: observational  galaxies: jets  galaxies: nuclei  
Mildly relativistic motion in the radio-quiet quasar PG 1351+640 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 卷号: 523, 期号: 1, 页码: L30-L34
Authors:  Wang, Ailing;  An, Tao;  Guo, Shaoguang;  Ho, Luis C.;  Baan, Willem A.;  Braun, Robert;  Chen, Sina;  Cheng, Xiaopeng;  Hartley, Philippa;  Yang, Jun;  Zhang, Yingkang
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galaxies: active  quasars: jets  galaxies: kinematics and dynamics  galaxies: individual (PG 1351+640)  
The OH Megamaser emission in Arp 220: the rest of the story 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 卷号: 523, 期号: 4, 页码: 5487-5501
Authors:  Baan, Willem A.;  Aditya, J. N. H. S.;  An, Tao;  Kloeckner, Hans-Rainer
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masers  ISM: molecules  galaxies:ISM  galaxies: nuclei  radio lines: galaxies  radio lines: ISM  
VLBI observations of a sample of Palomar-Green quasars - I. Parsec-scale morphology 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 卷号: 518, 期号: 1, 页码: 39-53
Authors:  Wang, Ailing;  An, Tao;  Cheng, Xiaopeng;  Ho, Luis C.;  Kellermann, Kenneth, I;  Baan, Willem A.;  Yang, Jun;  Zhang, Yingkang
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instrumentation: high angular resolution  methods: observational  galaxies: jets  galaxies: nuclei  
Two periods instead of one in a single 6.7 GHz methanol maser feature in G9.62+0.20E 期刊论文
Monthly Notices of the Royal Astronomical Society, 2022, 卷号: 516, 期号: 1, 页码: L96-L100
Authors:  MacLeod, G. C.;  Yonekura, Y.;  Tanabe, Y.;  Baan, W. A.;  Brogan, C. L.;  Burns, R. A.;  Chibueze, J. O.;  Houde, M.;  Hunter, T. R.;  Kurtz, S. E.;  Rajabi, F.;  Smits, D. P.;  Stecklum, B.;  Sugiyama, K.
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masers  stars: formation  stars: protostars  ISM: individual objects:  G9.62+0.20E  ISM: molecules  radio lines: ISM  h ii regions  variability  environment  pulsation  discovery  Astronomy & Astrophysics  
Magnetic Field of Molecular Gas Measured with the Velocity Gradient Technique I. Orion A 期刊论文
Astrophysical Journal, 2022, 卷号: 934, 期号: 1, 页码: 45
Authors:  Zhao, Mengke;  Zhou, Jianjun;  Hu, Yue;  Lazarian, A.;  Tang, Xindi;  Baan, Willem A.;  Esimbek, Jarken;  He, Yuxin;  Li, Dalei;  Ji, Weiguang;  Tursun, Kadirya
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star-formation  polarization measurements  gravitational collapse  dust  polarization  python package  turbulence  density  orientation  alignment  clouds  Astronomy & Astrophysics  
H2O MegaMaser emission in NGC 4258 indicative of a periodic disc instability 期刊论文
NATURE ASTRONOMY, 2022, 卷号: 6, 期号: 8, 页码: 976-983
Authors:  Baan, Willem A.;  An, Tao;  Henkel, Christian;  Imai, Hiroshi;  Kostenko, Vladimir;  Sobolev, Andrej
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The obstructed jet in Mrk 231 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2021, 卷号: 504, 期号: 3, 页码: 3823-3830
Authors:  Wang, Ailing;  An, Tao;  Jaiswal, Sumit;  Mohan, Prashanth;  Wang, Yuchan;  Baan, Willem A.;  Zhang, Yingkang;  Yang, Xiaolong
Adobe PDF(739Kb)  |  Favorite  |  View/Download：92/0  |  Submit date：2022/06/07
galaxies: ISM  galaxies: jets  galaxies: kinematics and dynamics  quasars: individual (Mrk 231)  
A heatwave of accretion energy traced by masers in the G358-MM1 high-mass protostar 期刊论文
NATURE ASTRONOMY, 2020, 页码: 5
Authors:  Burns, R. A.;  Sugiyama, K.;  Hirota, T.;  Kim, Kee-Tae;  Sobolev, A. M.;  Stecklum, B.;  MacLeod, G. C.;  Yonekura, Y.;  Olech, M.;  Orosz, G.;  Ellingsen, S. P.;  Hyland, L.;  Garatti, A. Caratti O.;  Brogan, C.;  Hunter, T. R.;  Phillips, C.;  van den Heever, S. P.;  Eisloeffel, J.;  Linz, H.;  Surcis, G.;  Chibueze, J. O.;  Baan, W.;  Kramer, B.
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