Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). ”Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal 870 (1): sid. 32. doi:10.3847/1538-4357/aaef8c. Bibcode: 2019ApJ...870...32K.
Rho, J.; Ramírez, S. V.; Corcoran, M. F. (2004). ”Chandra Observation of the Trifid Nebula: X-Ray Emission from the O Star Complex and Actively Forming Pre-Main-Sequence Stars”. Astrophysical Journal 607 (2): sid. 904–912. doi:10.1086/383081. Bibcode: 2004ApJ...607..904R.
Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). ”Kinematics in Young Star Clusters and Associations with Gaia DR2”. The Astrophysical Journal 870 (1): sid. 32. doi:10.3847/1538-4357/aaef8c. Bibcode: 2019ApJ...870...32K.
Rho, J.; Ramírez, S. V.; Corcoran, M. F. (2004). ”Chandra Observation of the Trifid Nebula: X-Ray Emission from the O Star Complex and Actively Forming Pre-Main-Sequence Stars”. Astrophysical Journal 607 (2): sid. 904–912. doi:10.1086/383081. Bibcode: 2004ApJ...607..904R.