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A 1D fluid model of the Centaurus A jet
Sarka Wykes, Bradford T. Snios, Paul E. J. Nulsen +11
We implement a steady, one-dimensional flow model for the X-ray jet of Centaurus A in which entrainment of stellar mass loss is the primary cause of dissipation. Using over 260 ks…
Pulsation-triggered dust production by asymptotic giant branch stars
Iain McDonald, Elvire de Beck, Albert A. Zijlstra +1
Eleven nearby (<300 pc), short-period (50-130 days) asymptotic giant branch (AGB) stars were observed in the CO J = (2-1) line. Detections were made towards objects that have evide…
Pre-discovery transits of the exoplanets WASP-18 b and WASP-33 b from Hipparcos
Iain McDonald, Eamonn Kerins
We recover transits of WASP-18 b and WASP-33 b from Hipparcos (1989-1993) photometry. Marginal detections of HAT-P-56 b and HAT-P-2 b may be also present in the data. New ephemerid…
ALMA observations of the nearby AGB star L Puppis. II. Gas disk properties derived from CO and CO 32 emission
Ward Homan, Anita Richards, Leen Decin +4
The circumstellar environment of the AGB star L Puppis was observed with ALMA in cycle 3, with a resolution of . The molecular emission shows a dif…
Flickering in AGB stars: Probing the nature of accreting companions
S. Snaid, A A. Zijlstra, I. McDonald +3
Binary companions to asymptotic giant branch (AGB) stars are an important aspect of their evolution. Few AGB companions have been detected, and in most cases it is difficult to dis…
The State-of-Play of Anomalous Microwave Emission (AME) Research
Clive Dickinson, Y. Ali-Haïmoud, A. Barr +30
Anomalous Microwave Emission (AME) is a component of diffuse Galactic radiation observed at frequencies in the range -60 GHz. AME was first detected in 1996 and recogni…