Results 51 to 60 of about 15,813 (253)

PSR J1453+1902 and the radio luminosities of solitary versus binary millisecond pulsars [PDF]

open access: yes, 2007
We present 3 yr of timing observations for PSR J1453+1902, a 5.79-ms pulsar discovered during a 430-MHz drift-scan survey with the Arecibo telescope. Our observations show that PSR J1453+1902 is solitary and has a proper motion of 8(2) mas/yr.
Champion, D. J.   +3 more
core   +3 more sources

XMM‐Newton Observations of the Peculiar Be X‐Ray Binary A0538‐66

open access: yesAstronomische Nachrichten, Volume 346, Issue 1, January 2025.
ABSTRACT A0538‐66 is a neutron star/Be x‐ray binary located in the Large Magellanic Cloud and, since its discovery in the 70s, it showed a peculiar behavior that makes it a unique object in the high‐mass x‐ray binaries scene: the extremely eccentric orbit (e=0.72$$ e=0.72 $$), the short spin period of the neutron star (P=69$$ P=69 $$ ms), the episodes ...
Michela Rigoselli   +3 more
wiley   +1 more source

The XinJiang Astronomical Observatory NSRT Pulsar Data Archive

open access: yesAdvances in Astronomy, Volume 2019, Issue 1, 2019., 2019
The sensitivity of our pulsar observation system with typical integration time of 16 minutes has reached 0.4 mJy after we have upgraded the receiver cooling system of NanShan 25‐m radio telescope (NSRT) at Xinjiang Astronomical Observatory (XAO) in 2002. About 280 pulsars were observed after the upgrade.
Hailong Zhang   +6 more
wiley   +1 more source

PSR J1947−1120: A New Huntsman Millisecond Pulsar Binary

open access: yesThe Astrophysical Journal
We present the discovery of PSR J1947–1120, a new huntsman millisecond pulsar with a red giant companion star in a 10.3 day orbit. This pulsar was found via optical, X-ray, and radio follow-up of the previously unassociated γ -ray source 4FGL J1947.6 ...
Jay Strader   +13 more
doaj   +1 more source

Fermi pulsar revolution [PDF]

open access: yes, 2010
2009 has been an extraordinary year for gamma-ray pulsar astronomy and 2010 promises to be equally good. Not only have we registered an extraordinary increase in the number of pulsars detected in gamma rays, but we have also witnessed the birth of new ...
Caraveo, Patrizia A.
core  

On the progenitors of millisecond pulsars by the recycling evolutionary channel

open access: yes, 2011
The recycling model suggested that low-mass X-ray binaries (LMXBs) could evolve into binary millisecond pulsars (BMSPs). In this work, we attempt to investigate the progenitor properties of BMSPs formed by the recycling evolutionary channel, and if sub ...
Alexander   +74 more
core   +1 more source

The second millisecond pulsar [PDF]

open access: yesNature, 1983
On the principle that no celestial object is unique, the discovery of another millisecond pulsar is overdue. That reported on page 417 has an unexpected interest.
openaire   +1 more source

The Role of XMM–Newton in the Investigation of Persistent BeXRBs

open access: yesAstronomische Nachrichten, Volume 346, Issue 1, January 2025.
ABSTRACT The persistent BeXRBs are a class of high‐mass X‐ray binaries (HMXRBs), which are characterized by persistent low X‐ray luminosities (LX~1034$$ {L}_{\mathrm{X}}\sim {10}^{34} $$ erg s −1$$ {}^{-1} $$) and wide (Porb>$$ {P}_{\mathrm{orb}}> $$ 30 days), almost circular orbits. In these sources the NS is slowly rotating (with Pspin$$ {P}_{\mathrm{
Nicola La Palombara   +4 more
wiley   +1 more source

Observations of Radio Magnetars with the Deep Space Network

open access: yesAdvances in Astronomy, Volume 2019, Issue 1, 2019., 2019
The Deep Space Network (DSN) is a worldwide array of radio telescopes which supports NASA’s interplanetary spacecraft missions. When the DSN antennas are not communicating with spacecraft, they provide a valuable resource for performing observations of radio magnetars, searches for new pulsars at the Galactic Center, and additional pulsar‐related ...
Aaron B. Pearlman   +3 more
wiley   +1 more source

Internal Heating of Old Neutron Stars: Contrasting Different Mechanisms

open access: yes, 2010
The thermal emission detected from the millisecond pulsar J0437-4715 is not explained by standard cooling models of neutron stars without a heating mechanism.
Fernandez, Rodrigo   +2 more
core   +3 more sources

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