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We have extended our PNe survey to the outer ~64deg^2 of the LMC using maps from the Magellanic Cloud Emission Line Survey (MCELS) and the UK Schmidt Telescope (UKST) H-alpha survey. Although the MCELS survey has poorer ~5 arcsecond…

Astrophysics of Galaxies · Physics 2015-06-17 Warren A. Reid , Quentin A. Parker

The SAGE-Spectroscopy Spitzer legacy program (SAGE-Spec; PI: F. Kemper, PID: 40159; Kemper et al. 2010) is the IRS spectroscopic follow-up to the successful SAGE-LMC legacy program (Meixner et al. 2006; PI: M. Meixner, PID: 20203) that…

Instrumentation and Methods for Astrophysics · Physics 2019-08-15 Paul M. Woods , G. C. Sloan , Karl D. Gordon , B. Shiao , F. Kemper , R. Indebetouw

We report the extragalactic radio-continuum detection of 15 planetary nebulae (PNe) in the Magellanic Clouds (MCs) from recent Australia Telescope Compact Array+Parkes mosaic surveys. These detections were supplemented by new and high…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 M. D. Filipović , M. Cohen , W. A. Reid , J. L. Payne , Q. A. Parker , E. J. Crawford , I. S. Bojičić , A. Y. De Horta , A. Hughes , J. Dickel , F. Stootman

The Magellanic clouds are uniquely placed to study the stellar contribution to dust emission. Individual stars can be resolved in these systems even in the mid-infrared, and they are close enough to allow detection of infrared excess caused…

The Large Magellanic Cloud (LMC) contains the nearest large extragalactic population of planetary nebulae (PNe). A shallow viewing angle and low interstellar reddening towards the LMC potentially means a larger, more complete flux-limited…

Solar and Stellar Astrophysics · Physics 2015-05-27 Brent Miszalski , Ralf Napiwotzki , Maria-Rosa L. Cioni , Jundan Nie

We used the data from the Spitzer Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE) to investigate the mid-infrared (MIR) properties of planetary nebulae (PNs) and PN candidates. In previous studies of GLIMPSE I& II data, we have…

Solar and Stellar Astrophysics · Physics 2015-06-03 Yong Zhang , Chih-Hao Hsia , Sun Kwok

We present preliminary results from spectral observations of four candidate radio sources co-identified with known planetary nebulae (PNe) in the Small Magellanic Cloud (SMC). These were made using the Radcliffe 1.9-meter telescope in…

We present mapping, profiles and photometry for 24 planetary nebulae (PNe) detected in the GLIMPSE 3D mid-infrared (MIR) survey of the Galactic plane. The PNe show many of the properties observed in previous studies of these sources,…

Astrophysics of Galaxies · Physics 2010-12-15 J. A. Quino-Mendoza , J. P. Phillips , G. Ramos-Larios

We present results of our study of the infrared properties of massive stars in the Large and Small Magellanic Clouds, which are based on the Spitzer SAGE surveys of these galaxies. We have compiled catalogs of spectroscopically confirmed…

We report our initial discovery of 73 new planetary nebulae (PNe) in the Large Magellanic Cloud (LMC) following confirmatory 2dF spectroscopy on the Anglo-Australian Telescope (AAT). Preliminary candidate sources come from a 10 per cent…

Astrophysics · Physics 2009-11-13 Warren A. Reid , Quentin A. Parker

We present a comprehensive infrared study of supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) using near- to mid-infrared images taken by Infrared Array Camera (IRAC; 3.6, 4.5, 5.8, and 8 {\mu}m) and Multiband Imaging…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Ji Yeon Seok , Bon-Chul Koo , Takashi Onaka

The chemical abundances of neon and sulfur for 25 planetary nebulae (PNe) in the Magellanic Clouds are presented. These abundances have been derived using mainly infrared data from the Spitzer Space Telescope. The implications for the…

Astrophysics · Physics 2010-04-21 J. Bernard-Salas , S. R. Pottasch , S. Gutenkunst , P. W. Morris , J. R. Houck

K-band spectra are presented for a sample of 39 Spitzer IRS SAGE-Spec sources in the Large Magellanic Cloud. The spectra exhibit characteristics in very good agreement with their positions in the near infrared - Spitzer color-magnitude…

Solar and Stellar Astrophysics · Physics 2015-06-22 R. D. Blum , S. Srinivasan , F. Kemper , B. Ling , K. Volk

We observed seven central stars of planetary nebulae (CSPN) in the Large Magellanic Cloud (LMC) with the Far Ultraviolet Spectroscopic Explorer (FUSE), and performed a model-based analysis of these spectra in conjunction with Hubble Space…

Astrophysics · Physics 2009-11-10 J. E. Herald , L. Bianchi

We present near-infrared spectra of ten planetary nebulae (PNe) in the Large and Small Magellanic Clouds (LMC and SMC), acquired with the FIRE and GNIRS spectrometers on the 6.5-m Baade and 8.1-m Gemini South Telescopes, respectively. We…

Solar and Stellar Astrophysics · Physics 2016-11-15 A. L. Mashburn , N. C. Sterling , S. Madonna , H. L. Dinerstein , I. U. Roederer , T. Geballe

We present Hubble Space Telescope (HST) images of new planetary nebulae (PNe) that were discovered in the Reid-Parker AAO/UKST H-alpha survey of the Large Magellanic Cloud. These serendipitous observations from various HST programs yield…

Astrophysics · Physics 2009-11-11 Richard A. Shaw , WArren A. Reid , Quentin A. Parker

We have obtained 24 {\mu}m imaging, profiles and fluxes for 224 planetary nebulae (PNe) lying within the limits of the Spitzer MIPSGAL survey. It is noted that most of the PNe having extended 24 {\mu}m emission also possess circular…

Astrophysics of Galaxies · Physics 2010-09-27 J. P. Phillips , R. A. Marquez-Lugo

A sample of 27 Planetary Nebulae (PNs) in the Small Magellanic Clouds (SMC) have been observed with the Hubble Space Telescope Imaging Spectrograph (HST/STIS) to determine their morphology, size, and the spatial variation of the ratios of…

We have produced an atlas of Spitzer Infrared Spectrograph (IRS) spectra of mass-losing, evolved stars in the Large Magellanic Cloud. These stars were selected to have high mass-loss rates and so contribute significantly to the return of…