Robert A Fesen, Kathryn E Weil, Ignacio A Cisneros, William P Blair et John C Raymond, « The Cygnus Loop’s distance, properties, and environment driven morphology », Monthly Notices of the Royal Astronomical Society, vol. 481, no 2, , p. 1786-1798 (DOI10.1093/mnras/sty2370, lire en ligne [PDF])
Robert A. Fesen, Jack M. M. Neustadt, Christine S. Black et Dan Milisavljevic, « A distance estimate to the Cygnus Loop based on the distances to two stars located within the remnant », Monthly Notices of the Royal Astronomical Society, vol. 475, no 3, , p. 3996-4010 (DOI10.1093/mnras/sty072, Bibcode2018MNRAS.475.3996F, lire en ligne [PDF])
Xiao-Hui Sun, Xu-Yang Gao, Wolfgang Reich, Peng Jiang, Di Li, Huirong Yan et Xiang-Hua Li, « New Continuum and Polarization Observations of the Cygnus Loop with FAST. II. Images and Analyses », Research in Astronomy and Astrophysics, vol. 22, no 12, , p. 13 pages (DOI10.1088/1674-4527/ac9d27, lire en ligne [PDF])
Robert A Fesen, Kathryn E Weil, Ignacio A Cisneros, William P Blair et John C Raymond, « The Cygnus Loop’s distance, properties, and environment driven morphology », Monthly Notices of the Royal Astronomical Society, vol. 481, no 2, , p. 1786-1798 (DOI10.1093/mnras/sty2370, lire en ligne [PDF])
Robert A. Fesen, Jack M. M. Neustadt, Christine S. Black et Dan Milisavljevic, « A distance estimate to the Cygnus Loop based on the distances to two stars located within the remnant », Monthly Notices of the Royal Astronomical Society, vol. 475, no 3, , p. 3996-4010 (DOI10.1093/mnras/sty072, Bibcode2018MNRAS.475.3996F, lire en ligne [PDF])
Xiao-Hui Sun, Xu-Yang Gao, Wolfgang Reich, Peng Jiang, Di Li, Huirong Yan et Xiang-Hua Li, « New Continuum and Polarization Observations of the Cygnus Loop with FAST. II. Images and Analyses », Research in Astronomy and Astrophysics, vol. 22, no 12, , p. 13 pages (DOI10.1088/1674-4527/ac9d27, lire en ligne [PDF])
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Robert A. Fesen, Jack M. M. Neustadt, Christine S. Black et Dan Milisavljevic, « A distance estimate to the Cygnus Loop based on the distances to two stars located within the remnant », Monthly Notices of the Royal Astronomical Society, vol. 475, no 3, , p. 3996-4010 (DOI10.1093/mnras/sty072, Bibcode2018MNRAS.475.3996F, lire en ligne [PDF])