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Related papers: Four New Planetary Nebulae Toward the Small Magell…

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We perform near ultraviolet ACS prism spectroscopy of 11 Small Magellanic Cloud (SMC) planetary nebulae (PNe) with the main aim of deriving the abundance of carbon. The analysis of the ACS spectra provide reliable atomic carbon abundances…

Solar and Stellar Astrophysics · Physics 2009-08-24 L. Stanghellini , T. -H. Lee , R. A. Shaw , B. Balick , E. Villaver

The Magellanic Clouds host a large population of high-mass X-ray binary (HMXB) systems, but although the Large Magellanic Cloud (LMC) is an order of magnitude more massive than the Small Magellanic Cloud, significantly fewer HMXBs are…

Solar and Stellar Astrophysics · Physics 2022-06-08 F. Haberl , C. Maitra , G. Vasilopoulos , P. Maggi , A. Udalski , I. M. Monageng , D. A. H. Buckley

We investigate the chemical evolution of the Small Magellanic Cloud (SMC) based on abundance data of planetary nebulae (PNe). The main goal is to investigate the time evolution of the oxygen abundance in this galaxy by deriving an…

Astrophysics · Physics 2009-11-13 T. P. Idiart , W. J. Maciel , R. D. D. Costa

We report the results of a survey of the Small Magellanic Cloud (SMC) for radio pulsars conducted with the 20-cm multibeam receiver of the Parkes 64-meter telescope. This survey targeted a more complete region of the SMC than a previous…

Astrophysics · Physics 2008-11-26 F. Crawford , V. M. Kaspi , R. N. Manchester , A. G. Lyne , F. Camilo , N. D'Amico

In this review we address the progress that has been made toward the understanding the population of Magellanic Cloud planetary nebulae since the last Magellanic Cloud Symposium. Planetary nebulae in the Clouds are not only important as key…

Astrophysics · Physics 2009-11-13 Letizia Stanghellini

The X-ray binary population of the Small Magellanic Cloud (SMC) contains a large number of massive X-ray binaries and the recent survey of the SMC by XMM-Newton has resulted in almost 50 more tentative high mass X-ray binary candidates.…

We present the images of a \textit{Hubble Space Telescope} (\textit{HST}/WFC3) snapshot program of angularly compact Galactic planetary nebulae (PNe), acquired with the aim of studying their size, evolutionary status, and morphology. PNe…

Solar and Stellar Astrophysics · Physics 2016-10-12 Letizia Stanghellini , Richard A. Shaw , Eva Villaver

Close binary central stars of planetary nebulae (PNe) must have formed through a common envelope evolution during the giant phase experienced by one of the stars. Transfer of the angular momentum from the binary system to the envelope leads…

Solar and Stellar Astrophysics · Physics 2023-11-27 M. Gładkowski , M. Hajduk , R. Smolec , R. Szczerba , I. Soszyński

Based on XMM-Newton EPIC data of four pointings towards the Small Magellanic Cloud (SMC), results on timing and spectral analyses of 16 known high mass X-ray binaries (HMXBs) and HMXB candidates in the SMC are presented. We confirm the…

Astrophysics · Physics 2009-11-07 Manami Sasaki , Wolfgang Pietsch , Frank Haberl

We report the spectroscopic confirmation of 29 new, 12 plausible, and 3 previously known quasars behind the central ~1.5 deg^2 region of the Small Magellanic Cloud. These were identified in a single 2df/AAOmega observation on the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Szymon Kozlowski , Christopher S. Kochanek , Andrzej Udalski

A search for $\gamma$-ray emission from SNRs in the Large Magellanic Cloud (LMC) based on the detection of concentrations in the arrival direction Fermi-LAT images of photons at energies higher than 10 GeV found significant evidence for 9…

High Energy Astrophysical Phenomena · Physics 2025-05-21 Andrea Tramacere , Riccardo Campana , Enrico Massaro , Fabrizio Bocchino , Marco Miceli , Salvatore Orlando

We present Grantecan 10 m telescope (GTC) spectroscopic confirmations of 55 faint Planetary Nebulae (PNe) candidates discovered largely in the INT Photometric H$_\alpha$ Survey of the Northern Galactic Plane (IPHAS) by our pro-am…

Solar and Stellar Astrophysics · Physics 2023-02-15 A. Ritter , Q. A. Parker , L. Sabin , P. Le Dû , L. Mulato , D. Patchick

The VISTA Magellanic Cloud (VMC) survey is assembling a deep, multi-epoch atlas of YJKs photometry across the Magellanic Clouds. Prior to the VMC survey only the brightest Magellanic Cloud PNe (MCPNe) were accessible at near-infrared (NIR)…

Solar and Stellar Astrophysics · Physics 2015-05-28 B. Miszalski , R. Napiwotzki , M. -R. L. Cioni , M. A. T. Groenewegen , J. M. Oliveira , A. Udalski

We investigate the efficacy of a systematic planetary nebula (PN) search in the Census of the Local Universe (CLU) narrowband (H$\alpha$) survey that covers a considerably larger sky region of above declination $-20^\circ$ than most…

Spectroscopic observations have been carried out for eleven objects believed to be planetary nebulae on the basis of their optical appearance. They were discovered in an ongoing deep search for galaxies in the Southern Milky Way…

Astrophysics · Physics 2007-05-23 R. C. Kraan-Korteweg , A. P. Fairall , P. A. Woudt , G. C. Van de Steene

New Planetary Nebulae (PNe) were discovered through an [O III] 5007 A emission line survey in the Galactic bulge region with l>0 deg. We detected 240 objects, including 44 new PNe. Deep Halpha+[N II] CCD images as well as low resolution…

Having completed my search for faint PNe in the LMC, including the outer 64 deg2 area not covered in the original UKST survey, I now have the most complete number of PNe within any galaxy with which to assess stellar parameters. I present…

Solar and Stellar Astrophysics · Physics 2012-10-17 Warren A. Reid

We present a supplement to the Macquarie/AAO/Strasbourg H$\alpha$ planetary nebulae (PNe) catalogue (MASH), which we denote MASH-II. The supplement consists of over 300 true, likely and possible new Galactic PNe found after re-examination…

Astrophysics · Physics 2009-11-13 B. Miszalski , Q. A. Parker , A. Acker , J. L. Birkby , D. J. Frew , A. Kovacevic

During an X-ray survey of the Small Magellanic Cloud, carried out with the XMM-Newton satellite, we detected significant soft X-ray emission from the central star of the high-excitation planetary nebula SMP SMC 22. Its very soft spectrum is…

Solar and Stellar Astrophysics · Physics 2015-05-18 S. Mereghetti , N. Krachmalnicoff , N. La Palombara , A. Tiengo , T. Rauch , F. Haberl , M. D. Filipovic , R. Sturm

We have developed a method to identify planetary nebula (PN) candidates in imaging data of the Sloan Digital Sky Survey (SDSS). This method exploits the SDSS' five-band sampling of emission lines in PN spectra, which results in a color…

Astrophysics of Galaxies · Physics 2015-06-17 A. Y. Kniazev , E. K. Grebel , D. B. Zucker , H-W. Rix , D. Martinez-Delgado , S. A. Snedden