On the birthrates of Galactic neutron stars

By E. Keane, Michael Kramer. 2008

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The following chapter is an enhanced version of a paper published in the Monthly Notices of the Royal Astronomical Society in 2008: Keane and Kramer[27]. As presented, this chapter, presents investigations based upon the state of knowledge as it was in 2008. It is presented in this way so as to keep the logical flow of the thesis chronological. The following chapters will expand on what has been learnt up to the present, and, in particular, Chaps. 8 and 9 give an up to date summary and overview, incorporating both the work in this thesis and that of many other authors.

Subfields: Astronomy and Astrophysics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/c6f1078f80b2786cbde437fba309194e14691e1b

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Observing pulsars and fast transients with LOFAR (2011, background): “…the entire neutron star population of the Galaxy, which then constrains the population of massive stars and the 5 Reconciling the total number of neutron stars and the supernova rate (Keane & Kramer 2008) also remains an outstanding, related issue, with many fundamental questions still unanswered.”
OBSERVING THE NEXT GALACTIC SUPERNOVA (2013, background): “…star birthrate (Reed 2005, 1-2 ccSN/century), radioactive aluminum from massive stars (Diehl et al. 2006, 1.9±1.1 ccSN/century), the pulsar birthrate (Keane & Kramer 2008; Faucher-Giguère & Kaspi 2006, 2.8±0.1 ccSN/century and 10.8+7−5 ccSN/century respectively), and the extragalactic SN rate by…”
The glitch-induced identity changes of PSR J1119−6127 (2010, background): “The size of the RRAT population is thought to be several times larger than the radio pulsar population (McLaughlin et al. 2006), leading to inconsistencies with the observed supernova rate unless there is an evolutionary link between the neutron star classes (Keane & Kramer 2008).”
Further searches for Rotating Radio Transients in the Parkes Multi-beam Pulsar Survey (2009, background): “Previously Keane & Kramer (2008) discussed the implications of such a large number of RRATs on the Galactic production rate of neutron stars.”
Science with the Murchison Widefield Array (2012, background): “The populations may be linked via RRATs: the X-ray and timing characteristics of the RRATs offer tantalizing clues to their relation to both magnetars (Lyne et al. 2009) and the INS (Popov et al. 2006; McLaughlin et al. 2007), but as yet nothing firm has been established (Keane & Kramer 2008).”