Grocholski, Aaron J.; Aloisi, Alessandra; van der Marel, Roeland P.; Mack, Jennifer; et al. (October 20, 2008). "A New Hubble Space Telescope Distance to NGC 1569: Starburst Properties and IC 342 Group Membership". Astrophysical Journal Letters. 686 (2): L79 –L82. arXiv:0808.0153. Bibcode:2008ApJ...686L..79G. doi:10.1086/592949. S2CID9877496.
Grocholski, Aaron J.; Aloisi, Alessandra; van der Marel, Roeland P.; Mack, Jennifer; et al. (October 20, 2008). "A New Hubble Space Telescope Distance to NGC 1569: Starburst Properties and IC 342 Group Membership". Astrophysical Journal Letters. 686 (2): L79 –L82. arXiv:0808.0153. Bibcode:2008ApJ...686L..79G. doi:10.1086/592949. S2CID9877496.
Grocholski, Aaron J.; Aloisi, Alessandra; van der Marel, Roeland P.; Mack, Jennifer; et al. (October 20, 2008). "A New Hubble Space Telescope Distance to NGC 1569: Starburst Properties and IC 342 Group Membership". Astrophysical Journal Letters. 686 (2): L79 –L82. arXiv:0808.0153. Bibcode:2008ApJ...686L..79G. doi:10.1086/592949. S2CID9877496.
Grocholski, Aaron J.; Aloisi, Alessandra; van der Marel, Roeland P.; Mack, Jennifer; et al. (October 20, 2008). "A New Hubble Space Telescope Distance to NGC 1569: Starburst Properties and IC 342 Group Membership". Astrophysical Journal Letters. 686 (2): L79 –L82. arXiv:0808.0153. Bibcode:2008ApJ...686L..79G. doi:10.1086/592949. S2CID9877496.