Barnes, Rory; Jackson, Brian; Raymond, Sean N.; West, Andrew A.; Greenberg, Richard (13 січня 2009). The HD 40307 Planetary System: Super-Earths or Mini-Neptunes?. The Astrophysical Journal. 695 (2): 1006—1011. arXiv:0901.1698. Bibcode:2009ApJ...695.1006B. doi:10.1088/0004-637X/695/2/1006.
doi.org
Barnes, Rory; Jackson, Brian; Raymond, Sean N.; West, Andrew A.; Greenberg, Richard (13 січня 2009). The HD 40307 Planetary System: Super-Earths or Mini-Neptunes?. The Astrophysical Journal. 695 (2): 1006—1011. arXiv:0901.1698. Bibcode:2009ApJ...695.1006B. doi:10.1088/0004-637X/695/2/1006.
harvard.edu
ui.adsabs.harvard.edu
pp. 214–215 in The Henry Draper Memorial, Annie J. Cannon, Journal of the Royal Astronomical Society of Canada9, #5 (May–June 1915), pp. 203–215, Bibcode:1915JRASC...9..203C.
Barnes, Rory; Jackson, Brian; Raymond, Sean N.; West, Andrew A.; Greenberg, Richard (13 січня 2009). The HD 40307 Planetary System: Super-Earths or Mini-Neptunes?. The Astrophysical Journal. 695 (2): 1006—1011. arXiv:0901.1698. Bibcode:2009ApJ...695.1006B. doi:10.1088/0004-637X/695/2/1006.
HD 40307 [Архівовано 9 січня 2018 у Wayback Machine.], database entry, Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS database V/117A [Архівовано 8 лютого 2016 у Wayback Machine.], accessed November 19, 2008; described in The Geneva-Copenhagen survey of the Solar neighbourhood.
HD 40307 [Архівовано 9 січня 2018 у Wayback Machine.], database entry, Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS database V/117A [Архівовано 8 лютого 2016 у Wayback Machine.], accessed November 19, 2008; described in The Geneva-Copenhagen survey of the Solar neighbourhood.
HD 40307 [Архівовано 9 січня 2018 у Wayback Machine.], database entry, Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS database V/117A [Архівовано 8 лютого 2016 у Wayback Machine.], accessed November 19, 2008; described in The Geneva-Copenhagen survey of the Solar neighbourhood.