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We present extensive spectral and photometric observations of the recycled pulsar/white-dwarf binary containing PSR J0437-4715, which we analyzed together with archival X-ray and gamma-ray data, to obtain the complete mid-infrared to…

High Energy Astrophysical Phenomena · Physics 2015-06-03 M. Durant , O. Kargaltsev , G. G. Pavlov , P. M. Kowalski , B. Posselt , M. H. van Kerkwijk , D. L. Kaplan

The Large Area Telescope (LAT) onboard the Fermi satellite opened a new era for pulsar astronomy, detecting gamma-ray pulsations from more than 60 pulsars, ~40% of which are not seen at radio wavelengths. One of the most interesting sources…

High Energy Astrophysical Phenomena · Physics 2015-05-27 A. De Luca , M. Marelli , R. P. Mignani , P. A. Caraveo , W. Hummel , S. Collins , A. Shearer , P. M. Saz Parkinson , A. Belfiore , G. F. Bignami

We present observations of PSRs J0437-4715, J0738-4042, J0835-4510, J0908-4913, J1048-5832, J1622-4950, J1644-4559, J1721-3532 and J1740-3015 at 17 GHz using the Parkes radio telescope. All 9 were detected at 17 GHz, additionally, we…

Solar and Stellar Astrophysics · Physics 2015-05-28 M. J. Keith , S. Johnston , L. Levin , M. Bailes

The ~1700 year old PSR B0540-69 in the LMC is considered the twin of the Crab pulsar because of its similar spin parameters, magnetic field, and energetics. Its optical spectrum is fit by a power-law, ascribed to synchrotron radiation, like…

High Energy Astrophysical Phenomena · Physics 2015-06-04 R. P. MignanI , A. De Luca , W. Hummel , A. Zajczyk , B. Rudak , G. Kanbach , A. Slowikowska

Middle-aged, cooling neutron stars are observed both as relatively rapidly spinning radio pulsars and as more slowly spinning, strongly magnetized isolated neutron stars (INSs), which stand out by their thermal X-ray spectra. The difference…

High Energy Astrophysical Phenomena · Physics 2015-06-03 J. S. Speagle , D. L. Kaplan , M. H. van Kerkwijk

We present a simple, unified model which accounts for properties of the X-ray emission from the three middle-aged pulsars PSR 1055-52, PSR 0656+14 and PSR 0630+18 (Geminga). The X-ray radiation from these objects is pulsed more strongly at…

Astrophysics · Physics 2009-11-06 Rosalba Perna , Jeremy Heyl , Lars Hernquist

We present the UV spectroscopy and timing of three nearby pulsars (Vela, B0656+14 and Geminga) recently observed with the Space Telescope Imaging Spectrograph. We also review the optical and X-ray properties of these pulsars and establish…

Astrophysics · Physics 2008-11-26 O. Kargaltsev , G. G. Pavlov

We report the detection of the millisecond pulsar B1257+12 with the Chandra X-ray Observatory. In a 20 ks exposure we detected 25 photons from the pulsar, with energies between 0.4 and 2.0 keV, corresponding to the flux F_X=(4.4+/-…

Astrophysics · Physics 2009-06-23 G. G. Pavlov , O. Kargaltsev , G. P. Garmire , A. Wolszczan

We present simultaneous, multi-colour optical light curves of the companion star to the black-widow pulsar PSR J2051-0827, obtained approximately 10 years apart using ULTRACAM and HiPERCAM, respectively. The ULTRACAM light curves confirm…

We report on the X-ray properties of four rotation-powered pulsars with characteristic ages in the range 0.3-5 Myr, derived from the analysis of XMM-Newton archival observations. We found convincing evidence of thermal emission only in the…

High Energy Astrophysical Phenomena · Physics 2018-07-18 Michela Rigoselli , Sandro Mereghetti

We report on the first detection of the Vela pulsar in the near-infrared with the VLT/ISAAC in the Js and H bands. The pulsar magnitudes are Js=22.71 +/- 0.10 and H=22.04 +/- 0.16. We compare our results with the available multiwavelength…

Astrophysics · Physics 2016-08-30 Y. A. Shibanov , A. B. Koptsevich , J. Sollerman , P. Lundqvist

The young radio pulsar J1124-5916 is associated with a Cas A like supernova remnant G292.0+1.8. It powers a compact torus-like pulsar wind nebula with a jet first detected in X-rays and then identified in the optical and mid-infrared. We…

Solar and Stellar Astrophysics · Physics 2015-06-15 Sergey V. Zharikov , Dmitry A. Zyuzin , Yuri A. Shibanov , Ronald E. Mennickent

We report on simultaneous X-ray and radio observations of the radio-mode-switching pulsar PSR B1822-09 with ESA's XMM-Newton and the WSRT, GMRT and Lovell radio telescopes. PSR B1822-09 switches between a radio-bright and radio-quiet mode,…

High Energy Astrophysical Phenomena · Physics 2017-01-18 W. Hermsen , L. Kuiper , J. W. T. Hessels , D. Mitra , J. M. Rankin , B. W. Stappers , G. A. E. Wright , R. Basu , A. Szary , J. van Leeuwen

XMM-Newton observations of the middle-aged radio-quiet $\gamma$-ray pulsar J0554+3107 allowed us, for the first time, firmly identify it in X-rays by detection of pulsations with the pulsar period. In the 0.2-2 keV band, the pulse profile…

High Energy Astrophysical Phenomena · Physics 2023-05-18 A. S. Tanashkin , A. V. Karpova , A. Y. Potekhin , Y. A. Shibanov , D. A. Zyuzin

We describe time-tagged observations of the Vela pulsar (PSR B0833-45) with the HST STIS MAMA-UV detectors. Using an optimal extraction technique, we obtain a NUV light curve and crude FUV phase-resolved spectra. The pulse is dominated by…

Astrophysics · Physics 2009-11-10 Roger W. Romani , Oleg Kargaltsev , George G. Pavlov

We present observations of fields containing eight recently discovered binary millisecond pulsars using the telescopes at MDM Observatory. Optical counterparts to four of these systems are detected, one of which, PSR J2214+3000, is a novel…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Joshua Schroeder , Jules Halpern

We report the discovery of a new black-widow millisecond pulsar, PSR J1544-2555, associated with the Fermi-LAT source 4FGL J1544.2-2554. Optical, radio, and gamma-ray observations confirmed its nature as a compact spider binary system.…

We have timed four millisecond pulses, PSRs J1721-2457, J1745-0952, J1810-2005, and J1918-0642, for up to a total of 10.5 years each using multiple telescopes in the European Pulsar Timing Array network: the Westerbork Synthesis Radio…

High Energy Astrophysical Phenomena · Physics 2015-05-18 G. H. Janssen , B. W. Stappers , C. G. Bassa , I. Cognard , M. Kramer , G. Theureau

The supernova remnant SNR 0540-69.3, twin of the Crab Nebula, offers an excellent opportunity to study the continuum emission from a young pulsar and pulsar-wind nebula (PWN). We present observations taken with the VLT instruments MUSE and…

High Energy Astrophysical Phenomena · Physics 2025-08-21 L. Tenhu , J. Larsson , J. Sollerman , P. Lundqvist , J. Spyromilio , J. D. Lyman , G. Olofsson

We used optical images taken with the Very Large Telescope (VLT) in the B and V bands to search for the optical counterpart of PSR J1028-5819 or constrain its optical brightness. At the same time, we used an archival Suzaku observation to…

High Energy Astrophysical Phenomena · Physics 2015-06-05 R. P. Mignani , M. Razzano , P. Esposito , A. De Luca , M. Marelli , S. R. Oates , P. Saz-Parkinson