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Proper Motion of Dense Circumstellar Knots in the Supernova Remnant Cassiopeia A

Authors: Bon-Chul Koo, Sang Bum Ko, Christopher F. McKee, Carl Heiles, Robert A. Fesen, Ji Yeon Seok, Hyun-Jeong Kim, Sung-Chul Yoon

Bon-Chul Koo et al 2025 The Astrophysical Journal Supplement Series 280 .

Provider: AAS Journals

Caption: Figure 6.

Proper motion of QSFs vs. the projected distance of QSFs from the explosion center. Blue symbols indicate Group 1 QSFs, while magenta symbols represent Group 2 QSFs.

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