Decapitating the Duck: The (Non)Association of PSR B1757−24 and Supernova Remnant G5.4−1.2 | Zendy

S. E. Thorsett | Zendy; W. Brisken | Zendy; W. M. Goss | Zendy

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Decapitating the Duck: The (Non)Association of PSR B1757−24 and Supernova Remnant G5.4−1.2

Author(s) -

S. E. Thorsett,

W. Brisken,

W. M. Goss

Publication year - 2002

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/342093

Subject(s) - pulsar , supernova remnant , physics , proper motion , nebula , astrophysics , supernova , astronomy , crab nebula , motion (physics) , interferometry , space (punctuation) , classical mechanics , stars , linguistics , philosophy

We have made the first direct interferometric proper motion measurements ofthe radio pulsar B1757-24, which sits at the tip of the "beak" of the putative"Duck" supernova remnant. The peculiar morphology of this radio complex hasbeen used to argue alternately that the pulsar's space motion was eithersurprisingly high or surprisingly low. In fact, we show that the pulsar'smotion is so small that it and its associated nonthermal nebula G5.27-0.9 (the"head") are almost certainly unrelated to the much larger G5.4-1.2 (the"wings").Comment: 10 pages, 1 figure, accepted for publication in ApJ

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