Foley، Ryan J.؛ Chornock، Ryan؛ Filippenko، Alexei V.؛ Ganeshalingam، Mohan؛ Kirshner، Robert P.؛ Li، Weidong؛ Cenko، S. Bradley؛ Challis، Peter J.؛ Friedman، Andrew S. (2009). "SN 2008ha: an extremely low luminosity and exceptionally low energy supernova". The Astronomical Journal. ج. 138 ع. 2: 376. arXiv:0902.2794. Bibcode:2009AJ....138..376F. DOI:10.1088/0004-6256/138/2/376.
doi.org
Foley، Ryan J.؛ Chornock، Ryan؛ Filippenko، Alexei V.؛ Ganeshalingam، Mohan؛ Kirshner، Robert P.؛ Li، Weidong؛ Cenko، S. Bradley؛ Challis، Peter J.؛ Friedman، Andrew S. (2009). "SN 2008ha: an extremely low luminosity and exceptionally low energy supernova". The Astronomical Journal. ج. 138 ع. 2: 376. arXiv:0902.2794. Bibcode:2009AJ....138..376F. DOI:10.1088/0004-6256/138/2/376.
harvard.edu
ui.adsabs.harvard.edu
Foley، Ryan J.؛ Chornock، Ryan؛ Filippenko، Alexei V.؛ Ganeshalingam، Mohan؛ Kirshner، Robert P.؛ Li، Weidong؛ Cenko، S. Bradley؛ Challis، Peter J.؛ Friedman، Andrew S. (2009). "SN 2008ha: an extremely low luminosity and exceptionally low energy supernova". The Astronomical Journal. ج. 138 ع. 2: 376. arXiv:0902.2794. Bibcode:2009AJ....138..376F. DOI:10.1088/0004-6256/138/2/376.