Journal
ASTROPHYSICAL JOURNAL
Volume 763, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/763/2/80
Keywords
pulsars: general; pulsars: individual (PSR J1327-0755, PSR J1623-0841, PSR J1737-0814, PSR J1941-0121, PSR J2222-0137); stars: neutron
Categories
Funding
- WVEPSCoR
- National Radio Astronomy Observatory
- National Science Foundation [AST 0907967, AST-0907967]
- Smithsonian Astrophysical Observatory [12400736]
- GBT Student Support program
- NSERC
- CFI
- Killam Research Fellowship
- FQRNT via le Centre de Recherche Astrophysique du Quebec
- Canadian Institute for Advanced Research
- NSF PIRE [0968296]
- Research Corporation for Scientific Advancement
- Canada Foundation for Innovation
- NRAO
Ask authors/readers for more resources
Over the summer of 2007, we obtained 1191 hr of drift-scan pulsar search observations with the Green Bank Telescope at a radio frequency of 350 MHz. Here we describe the survey setup, search procedure, and the discovery and follow-up timing of 13 pulsars. Among the new discoveries, one (PSR J1623-0841) was discovered only through its single pulses, two (PSRs J1327-0755 and J1737-0814) are millisecond pulsars, and another (PSR J2222-0137) is a mildly recycled pulsar. PSR J1327-0755 is a 2.7 ms pulsar at a dispersion measure (DM) of 27.9 pc cm(-3) in an 8.7 day orbit with a minimum companion mass of 0.22 M-circle dot. PSR J1737-0814 is a 4.2 ms pulsar at a DM of 55.3 pc cm(-3) in a 79.3 day orbit with a minimum companion mass of 0.06 M-circle dot. PSR J2222-0137 is a 32.8 ms pulsar at a very low DM of 3.27 pc cm(-3) in a 2.4 day orbit with a minimum companion mass of 1.11 M-circle dot. It is most likely a white-dwarf-neutron-star system or an unusual low-eccentricity double neutron star system. Ten other pulsars discovered in this survey are reported in the companion paper Lynch et al.
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